quintillion

From quint- (“five”) +‎ -illion.

• IPA^(key): /kwɪnˈtɪljən/

• Audio (US):

  (file)

• Rhymes: -ɪljən

quintillion (plural quintillions)

1. (US, modern British & Australian, short scale) A billion billion: 1 followed by eighteen zeros, 10¹⁸.

   Synonym: (long scale) trillion

   • 2014, “Small Data: Those big numbers keep on coming”, in BBC News Magazine Monitor‎^[1], 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.

   • 2017 November, N. K. Jemisin, Mac Walters, chapter 1, in Mass Effect Andromeda: Initiation‎^[2], 1st edition (Science Fiction), Titan Books, →ISBN, →OCLC, page 32:

     “I’m not sure I understand why we have to send a quadrillion-credit mission to another galaxy.”
     He looked fleetingly amused. “Quintillion... and we don’t have a choice, Harper. Any of us, really, but humanity especially.”

   • 2023 December 18, Charlie Warzel, “Nobody Knows What’s Happening Online Anymore”, in The Atlantic‎^[3]:

     You are currently logged on to the largest version of the internet that has ever existed. By clicking and scrolling, you’re one of the 5 billion–plus people contributing to an unfathomable array of networked information—quintillions of bytes produced each day.

2. (dated, British, Australia, long scale) A million quadrillion: 1 followed by 30 zeros, 10³⁰.

   Synonym: (short scale) nonillion

• (10¹⁸): Previous: quadrillion. Next: sextillion.
• (10³⁰): Previous: quadrilliard. Next: quintilliard.
• (ISO prefix): exa- (short scale).

quintillion (plural quintillions)

1. (figuratively, slang, hyperbolic) Any very large number, exceeding normal description.

• See also Thesaurus:zillion.

From quint- (“five”) +‎ -illion.

• IPA^(key): /kɛ̃.ti.ljɔ̃/; /kɥɛ̃.ti.ljɔ̃/

• Audio:

  (file)

quintillion m (plural quintillions)

1. nonillion (10³⁰)
2. (dated) quintillion (10¹⁸)

• “quintillion”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.