Quadrillion
WordNet

noun


(1)   The number that is represented as a one followed by 15 zeros
(2)   The number that is represented as a one followed by 24 zeros
"In England they call a septillion a quadrillion"
WiktionaryText

Etymology


From the prefix quadr- (four) + -illion (from million); ie a million million million million.

Cardinal number


quadrillion
  1. (US; modern British & Australian, short scale) A thousand trillion: 1 followed by fifteen zeros, 1015.
  2. (dated British & Australian, long scale) A million trillion: 1 followed by twenty-four zeros, 1024.


Synonyms


Noun



  1. Any very large number, exceeding normal description.
 
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