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A quintillion is equal to 1018 in America, or 1030 in France and Germany.[1]

A quintillion dollars in 100 piles of 100 dollar bills in comparison to the Empire State Building

A quintillion square centimeters in comparison to the earth

Written out in decimal form quintillion (in the short scale) is:

1000000000000000000

In long scale:

1000000000000000000000000000000

This number is also called hexillion in Russ Rowlett's Greek-based naming system.[2]

Aarex Tiaokhiao calls this number hetillion.[3] He also gave name ocdoocol and 18-noogol, referring to the short scale value of this number.[4]


Decimal

  • 1,000,000,000,000,000,000 - short scale
  • 1,000,000,000,000,000,000,000,000,000,000 - long scale

Examples

  • Niagara Falls takes up 210,000 years (about 30 times all recorded history) to use up a quintillion gallons of water.
  • A single drop of water contains 1.7 quintillion water molecules.
  • The distance from the Milky way to Andromeda is 2 million light years, which is about 11.73 quintillion miles.
  • The entire Earth contains about 326 quintillion gallons of water.[5]
  • There are about 43.3 quintillion ways to arrange a 3×3×3 Rubik's Cube.[6]
  • The SI prefix exa- multiplies by one quintillion.
  • The Earth's cross section has an area of about 1.275 quintillion square centimeters. [7]
  • By one estimate, there are 20 quintillion living animals on Earth.[8]
  • a tower of a quintillion one dollar bills would aproximately measure 1.099*10^20m in height.

As a banknote denomination

Only the Hungarian pengő had banknotes with this number in the denomination.

Approximations

For short scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{18}\)
Arrow notation \(10\uparrow18\)
Steinhaus-Moser Notation 15[3] 16[3]
Copy notation 9[18] 1[19]
Taro's multivariable Ackermann function A(3,56) A(3,57)
Pound-Star Notation #*(4,1,3)*6 #*(3,1)*13
BEAF {10,18}
Hyper-E notation E18
Bashicu matrix system (0)(0)[31622] (0)(0)[31623]
Hyperfactorial array notation 19! 20!
Fast-growing hierarchy \(f_2(54)\) \(f_2(55)\)
Hardy hierarchy \(H_{\omega^2}(54)\) \(H_{\omega^2}(55)\)
Slow-growing hierarchy \(g_{\omega^{\omega+8}}(10)\)

For long scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{30}\)
Arrow notation \(10\uparrow30\)
Steinhaus-Moser Notation 22[3] 23[3]
Copy notation 9[30] 1[31]
Taro's multivariable Ackermann function A(3,96) A(3,97)
Pound-Star Notation #*(9,6,4)*9 #*(0,1,0,0,1)*5
BEAF {10,30}
Hyper-E notation E30
Bashicu matrix system (0)(0)(0)[5623] (0)(0)(0)[5624]
Hyperfactorial array notation 28! 29!
Fast-growing hierarchy \(f_2(93)\) \(f_2(94)\)
Hardy hierarchy \(H_{\omega^2}(93)\) \(H_{\omega^2}(94)\)
Slow-growing hierarchy \(g_{\omega^{\omega3}}(10)\)

Sources

See also

  • quintyllion
-illion Numbers
Main article: illion
0 – 1K: Thousand - Million - Billion - Trillion - Quadrillion - Quintillion - Sextillion - Septillion - Octillion
1K - 10K: Millillion - Billillion - Trillillion - Quadrillillion - Quintillillion - Sextillillion - Septillillion - Octillillion - Nonillillion - Decillillion
10K - 100K: Undecillillion - Duodecillillion - Tredecillillion - Quattuordecillillion - Quindecillillion - Sexdecillillion - Septendecillillion - Octodecillillion - Novemdecillillion - Vigintillillion - Unvigintillillion - Duovigintillillion - Trevigintillillion - Quattuorvigintillillion - Quinvigintillillion - Sexvigintillillion - Septenvigintillillion - Octovigintillillion - Novemvigintillillion - Trigintillillion - Untrigintillillion - Duotrigintillillion - Tretrigintillillion - Quattuortrigintillillion -Quintrigintillillion - Sextrigintillillion - Septentrigintillillion - Octotrigintillillion - Novemtrigintillillion - Quadragintillillion - Unquadragintillillion - Duoquadragintillillion - Trequadragintillillion - Quattuorquadragintillillion - Quinquadragintillillion - Sexquadragintillillion - Septenquadragintillillion - Octoquadragintillillion - Novemquadragintillillion - Quinquagintillillion - Unquinquagintillillion - Duoquinquagintillillion - Trequinquagintillillion - Quattuorquinquagintillillion - Quinquinquagintillillion - Sexquinquagintillillon - Septenquinquagintillillion - Octoquinquagintillillion - Novemquinquagintillillion - Sexagintillillion - Unsexagintillillion - Duosexagintillillion - Tresexagintillillion - Quattuorsexagintillillion - Quinsexagintillillion - Sexsexagintillillion - Septensexagintillillion - Octosexagintillillion - Novemsexagintillillion - Septuagintillillion - Unseptuagintillillion - Duoseptuagintillillion - Treseptuagintillillion - Quattuorseptuagintillillion - Quinseptuagintillillion - Sexseptuagintillillion - Septenseptuagintillillion - Octoseptuagintillillion - Novemseptuagintillillion - Octogintillillion - Unoctogintillillion - Duooctogintillillion - Treoctogintillillion - Quattuoroctogintillillion - Quinoctogintillillion - Sexoctogintillillion - Septenoctogintillillion - Octooctogintillillion - Novemoctogintillillion - Nonagintillillion - Unnonagintillillion - Duononagintillillion - Trenonagintillillion - Quattuornonagintillillion - Quinnonagintillillion - Sexnonagintillillion - Septennonagintillillion - Octononagintillillion - Novemnonagintillillion
100K - 1M: Centillillion - Ducentillillion - Trecentillillion - Quadringentillillion - Quingentillillion - Sescentillillion - Septingentillillion - Octingentillillion - Nongentillillion - Micrillion
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