44 · Calculators

Exponent Calculator

Enter a base and an exponent to get xⁿ, the matching root and the result in scientific notation.

Result

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How to use the exponent calculator

  1. Enter the base, x.
  2. Enter the exponent, n. Decimals and negatives work.
  3. Read the result.

Exponent rules

  • x⁰ = 1 for any x other than 0.
  • x⁻ⁿ = 1 ÷ xⁿ, so 2⁻³ = 0.125.
  • x1/n is the nth root, so 90.5 = 3.
  • A negative base with a fractional exponent has no real answer.

Examples

2 to the power of 10

1,024

9 to the power of 0.5

3

Questions

How big can the numbers be?

Up to about 1.8 × 10³⁰⁸. Beyond that the calculator tells you the result is too large.

Why is the result rounded?

Results show up to 8 decimal places. Very large results are also shown in scientific notation.