English Dictionary

quadrillion

/kwɑˈdɹɪl.i.ən/

num

(US, modern British and Australian, short scale) A thousand trillion (logic: 1,000 × 1,000^4): 1 followed by fifteen zeros, 10¹⁵.

The national debt of the United States is over $28 quadrillion.

意味（1）

(US, modern British and Australian, short scale) A thousand trillion (logic: 1,000 × 1,000^4): 1 followed by fifteen zeros, 10¹⁵.

Integrating data from all continents and major biomes, we conservatively estimate 20 × 1015 (20 quadrillion) ants on Earth, with a total biomass of 12 megatons of dry carbon.

意味（2）

(dated, UK, Australia, long scale) A million trillion (logic: 1,000 × 1,000,000^2): 1 followed by twenty-four zeros, 10²⁴.