Quintillion

2 definitions found

From WordNet (r) 2.0 [wn]:

  quintillion
       n : the number that is represented as a one followed by 18 zeros

From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:

  quintillion


       
          10^30 in Europe (this is called a {nonillion} in the United
          States and Canada).
       
          10^18 in the United States and Canada (this is called a
          trillion in Europe).
       
          [Collins dictionary].