The femtillion is equal to \(10^{3\left(10^{15}\right)+3}\), or \(10^{3\text{ quadrillion }3}\).[1] The term was coined by Jonathan Bowers. It is followed by 6,000,000,000,000,000 (6 quadrillion) zeroes in long scale.

Etymology Edit

The name of this number is based on the suffix "-illion" and SI prefix "femto-".

Sources Edit

  1. Illion Numbers by Jonathan Bowers
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