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Sextillion vs Zettaton - What's the difference?

sextillion | zettaton |

As a numeral sextillion

is (US; modern British & Australian, short scale) A trillion billion: 1 followed by 21 zeros, 1021.

As a noun zettaton is

a measure of the strength of an explosion or a bomb based on how many sextillion tons of TNT would be needed to produce the same energy.

sextillion

English

Numeral

(head)
  • (US; modern British & Australian, ) A trillion billion: 1 followed by 21 zeros, 1021.
  • (dated British & Australian, ) A million quintillion: 1 followed by 36 zeros, 1036.

    • See also

    * (short and long scale) Previous': quintillion. ' Next : septillion.

    Synonyms

    * 1036: a undecillion

    zettaton

    English

    Noun

    (en noun)
  • A measure of the strength of an explosion or a bomb based on how many sextillion tons of TNT would be needed to produce the same energy.