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What is the Square Root of 21081?

The square root of 21081 is 145.1929750367. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√21081 = 145.1929750367
CalculatedNon-perfect squareIrrational
Exact form√21081
Perfect squareNo
Number typeIrrational
Verification145.19297503672 ≈ 21081

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How the answer is calculated

We solve x2 = 21081. The resulting value is x = 145.1929750367.

Verification: 145.19297503672 ≈ 21081.

Simplified radical form

The square root of 21081 in simplified radical form is √21081.

There are no square factors that can be taken outside the radical, so √21081 is already in simplest radical form.

Nearest Perfect squares

PositionBaseValue
Lower or equal14521025
Upper or equal14621316

Nearby square roots

NumberSquare root
√21078145.1826435908
√21079145.1860874877
√21080145.1895313031
√21081145.1929750367
√21082145.1964186886
√21083145.1998622589
√21084145.2033057475

Number properties

Is 21081 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√21081 is irrational because 21081 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 21081.