Exa

Exa (E) is a prefix used with the metric system that stands for 1,000,000,000,000,000,000 (quintillion) or 10¹⁸. A good example of where this prefix is used with computers is with an EB (exabyte).

What is smaller than an exa?

With SI prefixes, peta is smaller than exa.

What is larger than an exa?

With SI prefixes, zetta is larger than exa.

What is exa's decimal equivalent?

A atto (a) is the prefix used for 10^-18.

E, Exabyte, Measurements, SI