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What is the Square Root of 21281?

The square root of 21281 is 145.8800877433. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√21281 = 145.8800877433
CalculatedNon-perfect squareIrrational
Exact form√21281
Perfect squareNo
Number typeIrrational
Verification145.88008774332 ≈ 21281

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How the answer is calculated

We solve x2 = 21281. The resulting value is x = 145.8800877433.

Verification: 145.88008774332 ≈ 21281.

Simplified radical form

The square root of 21281 in simplified radical form is √21281.

There are no square factors that can be taken outside the radical, so √21281 is already in simplest radical form.

Nearest Perfect squares

PositionBaseValue
Lower or equal14521025
Upper or equal14621316

Nearby square roots

NumberSquare root
√21278145.8698049632
√21279145.8732326371
√21280145.8766602305
√21281145.8800877433
√21282145.8835151756
√21283145.8869425274
√21284145.8903697987

Number properties

Is 21281 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√21281 is irrational because 21281 is not a perfect square.

Visual guide

Square Root function graph

See how the result changes as the input moves across positive and negative values. Square roots are shown for non-negative inputs; cube roots continue through negative inputs.

Common questions

Frequently asked questions

It asks for the number that, when raised to the power of 2, equals 21281.