Exponent Calculator

An exponent says how many times to multiply a number by itself: 2¹⁰ = 1,024. Negative exponents give reciprocals and fractional exponents give roots.

Results update as you type.

2^10

1,024

Scientific notation
1.02400000 × 10^3

About this calculator

Whole-number results are shown exactly, even when very large.

How to use it

  1. Enter the base.
  2. Enter the exponent.
  3. Read the result.

The formula

xⁿ = x × x × … (n times); x⁻ⁿ = 1 ÷ xⁿ; x1/n = ⁿ√x
x
base
n
exponent

Worked example

2^10

  1. 2 multiplied by itself 10 times = 1,024.
  2. In scientific notation: 1.024 × 10³.

What the result means

Doubling ten times multiplies by more than a thousand: the power of compounding.

Assumptions

  • Real numbers.

Limitations

  • A negative base needs a whole-number exponent for a real answer.

Frequently asked questions

What is 2 to the power 10?

1,024.

What is a negative exponent?

The reciprocal: 2⁻³ = 1/8.

What is anything to the power 0?

1, except 0⁰, which is usually taken as 1.

Last reviewed on 3 October 2026. Found a mistake? Tell us.