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What is the Square Root of 15721?

The square root of 15721 is 125.383411981. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√15721 = 125.383411981
CalculatedNon-perfect squareIrrational
Exact form√15721
Perfect squareNo
Number typeIrrational
Verification125.3834119812 ≈ 15721

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How the answer is calculated

We solve x2 = 15721. The resulting value is x = 125.383411981.

Verification: 125.3834119812 ≈ 15721.

Simplified radical form

The square root of 15721 in simplified radical form is √15721.

There are no square factors that can be taken outside the radical, so √15721 is already in simplest radical form.

Nearest Perfect squares

PositionBaseValue
Lower or equal12515625
Upper or equal12615876

Nearby square roots

NumberSquare root
√15718125.3714481052
√15719125.3754361907
√15720125.3794241493
√15721125.383411981
√15722125.3873996859
√15723125.391387264
√15724125.3953747153

Number properties

Is 15721 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√15721 is irrational because 15721 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 15721.