What is a negative exponent?

b⁻ⁿ = 1/bⁿ. For example, 2⁻³ = 1/8 = 0.125. Negative exponents represent reciprocals.

What does a fractional exponent mean?

b^(1/n) = the nth root of b. So 8^(1/3) = ∛8 = 2. And b^(m/n) = (b^m)^(1/n) — the nth root of b to the mth power.

Exponent Calculator

Quick answer: Enter base and exponent to calculate bⁿ instantly, with scientific notation for large results.

Calculate any base raised to any power (bⁿ). Handles negative exponents (bⁿ = 1/b|ⁿ|), fractional exponents (square/cube roots), and very large numbers shown in scientific notation.

Last reviewed: April 2026Report an error

Base

Exponent

Result

1,024

2^10 = 1,024 (1.0240e+3).

Result

1,024

Scientific Notation

1.0240e+3

How to Use This Exponent Calculator

1Enter the base number.
2Enter the exponent (positive, negative, or fractional).
3Read the result and scientific notation form.

Frequently Asked Questions

: b⁻ⁿ = 1/bⁿ. For example, 2⁻³ = 1/8 = 0.125. Negative exponents represent reciprocals.
: b^(1/n) = the nth root of b. So 8^(1/3) = ∛8 = 2. And b^(m/n) = (b^m)^(1/n) — the nth root of b to the mth power.

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Exponent Calculator

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