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

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

Quintillion2

A quintillion square centimeters in comparison to the earth

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 Edit

Examples Edit

  • 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 Edit

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

ApproximationsEdit

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 Edit

  1. Quintillion at Wolfram MathWorld
  2. Names for Large Numbers
  3. Aarex Tiaokhiao's illion numbers
  4. Part 1 (LAN) - Aarex Googology
  5. Saibian, Sbiis2.1.4 - Everyday Large Numbers for a Modern World. Retrieved 2013-06-11.
  6. Notable Properties of Specific Numbers (page 18)
  7. Almost Infinite
  8. How Many Wild Animals Are There?

See also Edit

Main article: -illion
1–9: million · billion · trillion · quadr · quint · sext · sept · oct · non
10–19: decillion · undec · duodec · tredec · quattuordec · quindec · sexdec · septendec · octodec · novemdec
20–29: vigintillion · unvigint · duovigint · trevigint · quattuorvigint · quinvigint · sexvigint · septenvigint · octovigint · novemvigint
30–39: trigintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
40–49: quadragintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
50–59: quinquagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
60–69: sexagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
70–79: septuagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
80–89: octogintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
90–99: nonagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
100–900: centillion · primo-vigesimo-cent · ducent · trecent · duotrigintatrecent · quadringent · quingent · sescent · septuagintisescent · septingent · octingent · nongent
1000–1024: millillion · dumill · trimill · quadrimill · quinmill · sexmill · septimill · octimill · nonimill · myr · centimill · micr · nan · pic · femt · att · zept · yoct