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What is the Square Root of 20985?

The square root of 20985 is 144.8620032997. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√20985 = 144.8620032997
CalculatedNon-perfect squareIrrational
Exact form√20985
Perfect squareNo
Number typeIrrational
Verification144.86200329972 ≈ 20985

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How the answer is calculated

We solve x2 = 20985. The resulting value is x = 144.8620032997.

Verification: 144.86200329972 ≈ 20985.

Simplified radical form

The square root of 20985 in simplified radical form is √20985.

There are no square factors that can be taken outside the radical, so √20985 is already in simplest radical form.

Nearest Perfect squares

PositionBaseValue
Lower or equal14420736
Upper or equal14521025

Nearby square roots

NumberSquare root
√20982144.8516482474
√20983144.8551000138
√20984144.8585516979
√20985144.8620032997
√20986144.8654548193
√20987144.8689062567
√20988144.8723576118

Number properties

Is 20985 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√20985 is irrational because 20985 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 20985.