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A sextillion is equal to 1021 in America, or 1036 in France and Germany.[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.[2]

Donald Knuth calls this number zeptiad, and it's equal to using the -yllion system.

It is the smallest -illion number whose successor isn't squarefree.[3]

## Decimal Edit

• 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 Edit

• 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.[4]
• You could fit 615 earths in a flat layer with an area of one sextillion square centimeters.[5]
• The SI prefix zetta- multiplies by one short-scale sextillion.

## As a banknote denomination Edit

Only the Hungarian pengő had banknotes with this number in the denomination, but they were never issued; in fact, it was the highest banknote denomination ever printed.er"|$$g_{\omega^{\omega2+1}}(10)$$ |}