Sextillion

A sextillion is equal to 1021 in short scale, or 1036 in long scale. It is 22 digits long in short scale, or 37 digits long in long scale.

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

1

In long scale:

1

In the long scale, 1021 is called trilliard, which is commonly used in France and Germany.

This number is also called heptillion in Russ Rowlett's Greek-based naming system.

Aarex Tiaokhiao gave the name heptillion, referring to the value of this number.

It is the smallest -illion number whose successor isn't squarefree.

Decimal

 * 1,000,000,000,000,000,000,000 - short scale
 * 1,000,000,000,000,000,000,000,000,000,000,000,000 - long scale

Examples

 * The volume of the earth is about 1.085 sextillion cubic meters.
 * The earth has a mass of about 5.98 sextillion metric tons.
 * There are about 6 sextillion cups of water in all the oceans of the world.
 * The distance between one end of the universe and the other may be about 87.9 sextillion miles or 141 sextillion kilometers.
 * You could fit 615 earths in a flat layer with an area of one sextillion square centimeters.
 * The SI prefix zetta- multiplies by one short-scale sextillion.

As a banknote denomination
Only the had banknotes with this number in the denomination, but they were never issued; in fact, it was the highest banknote denomination ever printed.

Approximations
For short scale: For long scale: