English Dictionary

quintillion

/kwɪnˈtɪljən/

num

(US, modern British & Australian, short scale) A billion billion: 1 followed by eighteen zeros, 10¹⁸. / (dated, British & Australian, long scale) A million quadrillion: 1 followed by 30 zeros, 10³⁰.

The national debt is over 28 quintillion dollars.

意味（1）

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

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.

意味（2）

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