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What is the Square Root of 21155?

The square root of 21155 is 145.4475850607. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√21155 = 145.4475850607
CalculatedNon-perfect squareIrrational
Exact form√21155
Perfect squareNo
Number typeIrrational
Verification145.44758506072 ≈ 21155

On this page

How the answer is calculated

We solve x2 = 21155. The resulting value is x = 145.4475850607.

Verification: 145.44758506072 ≈ 21155.

Simplified radical form

The square root of 21155 in simplified radical form is √21155.

There are no square factors that can be taken outside the radical, so √21155 is already in simplest radical form.

Nearest Perfect squares

PositionBaseValue
Lower or equal14521025
Upper or equal14621316

Nearby square roots

NumberSquare root
√21152145.4372717016
√21153145.4407095692
√21154145.4441473556
√21155145.4475850607
√21156145.4510226846
√21157145.4544602272
√21158145.4578976886

Number properties

Is 21155 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√21155 is irrational because 21155 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 21155.