A sexvigintillion or viginti-sextillion[1] is equal to \(10^{81}\) in the short scale, or \(10^{156}\) in the long scale.[2] It is 82 digits long in short scale, and 157 digits long in long scale.
In the long scale, \(10^{81}\) is called tredecilliard, which is commonly used in France and Germany.
This number is also called icosiheptillion in Russ Rowlett's Greek-based naming system of zillions.[3]
Decimal
For short scale:
1Template:50 zerosTemplate:10 zerosTemplate:10 zerosTemplate:10 zeros0
For long scale:
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Template:50 zeros000000
Approximations
| Notation | Lower bound | Upper bound |
|---|---|---|
| Scientific notation | \(1\times10^{81}\) | |
| Arrow notation | \(10\uparrow81\) | |
| Steinhaus-Moser Notation | 48[3] | 49[3] |
| Copy notation | 9[81] | 10[41] |
| Taro's multivariable Ackermann function | A(3,266) | A(3,267) |
| Pound-Star Notation | #*(9,5,0,5,5,0,2)*7 | #*(10,5,0,5,5,0,2)*7 |
| BEAF | {10,81} | |
| Bashicu matrix system | (0)(0)(0)(0)(0)[339] | (0)(0)(0)(0)(0)[340] |
| Hyperfactorial array notation | 59! | 60! |
| Fast-growing hierarchy | \(f_2(261)\) | \(f_2(262)\) |
| Hardy hierarchy | \(H_{\omega^2}(261)\) | \(H_{\omega^2}(262)\) |
| Slow-growing hierarchy | \(g_{\omega^{\omega8+1}}(10)\) | |
List of prefixed numbers derived from vigintillion
| Name | Short scale | Long scale |
|---|---|---|
| unvigintillion | 1066 | 10126 |
| duovigintillion | 1069 | 10132 |
| trevigintillion | 1072 | 10138 |
| quattuorvigintillion | 1075 | 10144 |
| quinvigintillion | 1078 | 10150 |
| sexvigintillion | 1081 | 10156 |
| septenvigintillion | 1084 | 10162 |
| octovigintillion | 1087 | 10168 |
| novemvigintillion | 1090 | 10174 |
Sources
See also
Main article: -illion
1–9: million · billion · trillion · quadr · quint · sext · sept · oct · non10–19: decillion · undec · duodec · tredec · quattuordec · quindec · sexdec · septendec · octodec · novemdec
20–29: vigintillion · unvigint · duovigint · tresvigint · quattuorvigint · quinvigint · sesvigint · septemvigint · octovigint · novemvigint
30–39: trigintillion (un- · duo- · tres- · quattuor- · quin- · ses- · septen- · octo- · noven-)
40–49: quadragintillion (un- · duo- · tres- · quattuor- · quin- · ses- · septen- · octo- · noven-)
50–59: quinquagintillion (un- · duo- · tres- · quattuor- · quin- · ses- · septen- · octo- · noven-)
60–69: sexagintillion (un- · duo- · tre- · quattuor- · quin- · se- · septen- · octo- · noven-)
70–79: septuagintillion (un- · duo- · tre- · quattuor- · quin- · se- · septen- · octo- · noven-)
80–89: octogintillion (un- · duo- · tres- · quattuor- · quin- · sex- · septem- · octo- · novem-)
90–99: nonagintillion (un- · duo- · tre- · quattuor- · quin- · se- · septe- · octo- · nove-)
100–900: centillion · ducent · trecent · quadringent · quingent · sescent · septingent · octingent · nongent
1,000–1024: millillion · dumill · dumillinonagintanongent · trimill · trimilliduotrigintatrecent · trimillisexoctogintaoctingent · quadrimill · quadrimilliquattuordecicent · quinmill · sexmill · septimill · octimill · nonimill · myr · decimilliquinsexagintasescent · dumyr · unquadragintamilliunquinquagintacent · centimill · micr · nan · pic · femt · att · zept · yoct