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What is the Square Root of 15729?

The square root of 15729 is 125.4153100702. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√15729 = 125.4153100702
CalculatedNon-perfect squareIrrational
Exact form√15729
Perfect squareNo
Number typeIrrational
Verification125.41531007022 ≈ 15729

On this page

How the answer is calculated

We solve x2 = 15729. The resulting value is x = 125.4153100702.

Verification: 125.41531007022 ≈ 15729.

Simplified radical form

The square root of 15729 in simplified radical form is 7√321.

This is equivalent to √15729, with perfect-square factors moved outside the radical.

Nearest Perfect squares

PositionBaseValue
Lower or equal12515625
Upper or equal12615876

Nearby square roots

NumberSquare root
√15726125.4033492376
√15727125.4073363085
√15728125.4113232527
√15729125.4153100702
√15730125.4192967609
√15731125.4232833249
√15732125.4272697622

Number properties

Is 15729 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√15729 is irrational because 15729 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 15729.