septendecillion

From Latin septendecim (“seventeen”) +‎ -illion; compare tredecillion, quattuordecillion, etc.

• IPA^(key): /ˌsɛptəndəˈsɪl.i.ən/

  • Audio (Southern England):

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  Rhymes: -ɪljən

septendecillion (plural septendecillions)

1. (rare, US, modern British & Australian, short scale) 10⁵⁴.
   • 2003, Bits and Bytes - New voting system demystified:

     STV by the Numbers: [...] 3000^16 (roughly 43 septendecillion) : number of possible voting permutations if 3,000 students vote (Single Transferable Voting is pretty complicated!).

   • 2003, Magic Dragon Multimedia, Timeline Cosmic Future:

     One Septendecillion Years From Now [...] The total mass of the universe [will be] somewhere between 200 and 500 septendecillion grams.

   • 1896, Frank H. Hall, The Werner Arithmetic, Oral and Written, Book Two, Parts I and II:

     The names of the periods above trillion are as follows [...] 19th, septendecillion [...]

2. (rare, dated British & Australian, long scale) 10¹⁰².

• (10⁵⁴): a long scale nonillion
• (10¹⁰²): a short scale tretrigintillion

• (short and long scale) Previous: sexdecillion. Next: octodecillion.