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What is the Square Root of 20423?

The square root of 20423 is 142.909061994. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√20423 = 142.909061994
CalculatedNon-perfect squareIrrational
Exact form√20423
Perfect squareNo
Number typeIrrational
Verification142.9090619942 ≈ 20423

On this page

How the answer is calculated

We solve x2 = 20423. The resulting value is x = 142.909061994.

Verification: 142.9090619942 ≈ 20423.

Simplified radical form

The square root of 20423 in simplified radical form is √20423.

There are no square factors that can be taken outside the radical, so √20423 is already in simplest radical form.

Nearest Perfect squares

PositionBaseValue
Lower or equal14220164
Upper or equal14320449

Nearby square roots

NumberSquare root
√20420142.8985654232
√20421142.9020643658
√20422142.9055632227
√20423142.909061994
√20424142.9125606796
√20425142.9160592796
√20426142.9195577939

Number properties

Is 20423 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√20423 is irrational because 20423 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 20423.