• According to the French notation, which is followed also uponthe Continent and in the United States, a unit with fifteen ciphersannexed; according to the English notation, the number produced byinvolving a million to the fourth power, or the number represented bya unit with twenty-four ciphers annexed. See the Note underNumeration.


    Quadrillion meaning & definition 1 of Quadrillion.


  • A [quadrillion] is a [million], million, million, millions or 10^24 from quad for four, you see a quadbike does not have two and a half wheels, just as a tricycle does not have two wheels (...look up trillion).

    Quadrillion meaning & definition 2 of Quadrillion.


    1. a number equal to 1,000,000,000,000,000 or 10^15.

    Quadrillion meaning & definition 3 of Quadrillion.


  • The quantity 1,000,000,000,000,000 (10 to the 15th power).

    Quadrillion meaning & definition 4 of Quadrillion.


  • A thousand raised to the power of five (10¹⁵).

    Quadrillion meaning & definition 5 of Quadrillion.


  • the number 1,000,000,000,000,000:

    Quadrillion meaning & definition 6 of Quadrillion.

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