quinvigintillion

• Rhymes: -ɪljən

quinvigintillion

1. (rare; US; modern British & Australian, short scale) 10⁷⁸.
   • 2017, Lance Fortnow, The Golden Ticket: P, NP, and the Search for the Impossible, page 36:

     The number 1004 is 100 million (100,000,000), not much time at all for today's computers, while the more naive approach of trying all matchings would yield about two quinvigintillion (2 followed by seventy-eight zeros) computation steps.

   • 2018, Nicholas Lovell, The Pyramid of Game Design:

     In Figure 6.4, you can see that I earned $460 quinvigintillion in the six or so hours that I was away from the game.

   • 2019, Ella Schwartz, Can You Crack the Code?::

     In fact, the chance of two irides (yes, this is the plural of the word "iris" — go figure?) being identical is estimated to be one in a quinvigintillion. For the record, that is a crazy huge number—a one with seventy-eight zeroes after it!

Some lists of number names give an alternative interpretation, 10¹⁵⁰, the so-called long scale, which was not attested by actual use.

• (10⁷⁸): a long scale tredecillion

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