# One Octillion Number | Comparison and Definition - Domainconverters.com

Domainconverters > Large Numbers - Million, billion, trillion etc. > octillion conversions

## Q. What is Octillion ?

Definition of Octillion : Octillion is a unit in the numbering system which is equal to 1027.

## Q. How much is 1 Octillion ?

Ans. One Octillion is equal to 1E+27, also in scientific notation it is expressed as 1027 therefore there are 27 zeroes in a octillion.

## Octillion Conversion Table

See how large is One octillion compared to other Numbering units.

1.0E+21 million1.0E+18 billion
1000000000 quintillion1000000 sextillion
1000 septillion1 octillion
0.001 nonillion1.0E-6 decillion
1.0E-9 undecillion1.0E-12 duodecillion
1.0E-15 tredecillion1.0E-18 quattuordecillion
1.0E-27 septendecillion1.0E-30 octodecillion
1.0E-33 novendecillion1.0E-36 vigintillion
1.0E-39 unvigintillion1.0E-42 duovigintillion
1.0E-45 tresvigintillion1.0E-48 quattuorvigintillion
1.0E-51 quinquavigintillion1.0E-54 sesvigintillion
1.0E-57 septemvigintillion1.0E-60 octovigintillion
1.0E-63 novemvigintillion1.0E-66 trigintillion
1.0E-69 untrigintillion1.0E-72 duotrigintillion
1.0E-75 trestrigintillion1.0E-78 quattuortrigintillion
1.0E-81 quinquatrigintillion1.0E-84 sestrigintillion
1.0E-87 septentrigintillion1.0E-90 octotrigintillion