Q

Alphabetical index

quadrillion

1000 trillion, or 10¹⁵. The value of the prefix “peta”.

quecto

Prefix for a subdivision of 10^-30, symbol: q.

quetta

Prefix of multiple of 10³⁰, symbol: Q.

quintillion

1000 quadrillion, or 10¹⁸. The value of the prefix “exa”.