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What is the difference between sextillion and quintillion?

sextillion | quintillion |

As numerals the difference between sextillion and quintillion

is that sextillion is (US; modern British & Australian, short scale) A trillion billion: 1 followed by 21 zeros, 1021 while quintillion is a billion billion: 1 followed by eighteen zeros, 1018.

As a noun quintillion is

any very large number, exceeding normal description.

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

    quintillion

    English

    Numeral

    (head)
  • A billion billion: 1 followed by eighteen zeros, 1018.
  • * 2014 , BBC News Magazine Monitor, Small Data: Those big numbers keep on coming , BBC:
    • Last week, we used...the BBC News website's biggest number: 9,223,372,036,854,775,808, that's 9.2 quintillion...[the maximum video viewer count on YouTube's] updated counter software.
  • A million quadrillion: 1 followed by 30 zeros, 1030.

    • Synonyms

    * 1018: a trillion * 1030: a nonillion

    See also

    * (short and long scale) Previous': quadrillion. ' Next : sextillion. * ISO prefix: exa- ().

    Noun

    (en noun)
  • (figuratively, slang) Any very large number, exceeding normal description.

    • Synonyms

    * See also .