noun

exponent

ik-SPOH-nunt/ɪkˈspəʊnənt/

A number or symbol indicating the power to which a quantity is raised.

The exponent three shows that two appears three times as a factor.

Clear mathematical educational illustration: large precise 2³ = 2 × 2 × 2 = 8 with superscript3 highlighted blue, groups of eight simple wooden cubes beneath.

Etymology

exLatinforth

+ponLatinput, place

+entLatinpresent-participle ending

The pieces mean 'putting forth.' In mathematics, the word was applied to the symbol above and to the right of a base, indicating the power to which that base is raised.

In context

Ryan O'Connell, CFA, FRM2:07

It is equal to the present value multiplied by 1 + r the interest rate to the exponent of n which is the number of years.

Time Value of Money Explained for Beginners

More examples

In 2³, the exponent is 3.
A negative exponent indicates the reciprocal of the corresponding positive power.
When multiplying powers with the same base, add their exponents.

Forms

exponent · exponents

exponential adjective — Relating to or expressed using exponents.

Similar words

power: Power can mean the exponent or the resulting value.