Exponent calculator

Calculate powers (xⁿ), nth roots, and convert to scientific notation. Supports decimals and negative exponents.

Power (xⁿ)

Base (x)

Exponent (n)

      210 = 1,024
    

Scientific: 1.024 × 103

Nth root

Root (n)

Of value

      3√27 = 3
    

Powers of 2

Exponent rules

Rule	Formula	Example
Product	x^a × x^b = x^a+b	2³ × 2⁴ = 2⁷ = 128
Quotient	x^a / x^b = x^a−b	5⁶ / 5² = 5⁴ = 625
Power of power	(x^a)^b = x^ab	(3²)³ = 3⁶ = 729
Zero exponent	x⁰ = 1	99⁰ = 1
Negative	x⁻ⁿ = 1/xⁿ	2⁻³ = 1/8 = 0.125
Fractional	x^1/n = ⁿ√x	8^1/3 = √[3]{8} = 2

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