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What is the Square Root of 16420?

The square root of 16420 is 128.1405478371. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√16420 = 128.1405478371
CalculatedNon-perfect squareIrrational
Exact form√16420
Perfect squareNo
Number typeIrrational
Verification128.14054783712 ≈ 16420

On this page

How the answer is calculated

We solve x2 = 16420. The resulting value is x = 128.1405478371.

Verification: 128.14054783712 ≈ 16420.

Simplified radical form

The square root of 16420 in simplified radical form is 2√4105.

This is equivalent to √16420, with perfect-square factors moved outside the radical.

Nearest Perfect squares

PositionBaseValue
Lower or equal12816384
Upper or equal12916641

Nearby square roots

NumberSquare root
√16417128.1288414058
√16418128.1327436684
√16419128.1366458122
√16420128.1405478371
√16421128.1444497432
√16422128.1483515306
√16423128.1522531991

Number properties

Is 16420 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√16420 is irrational because 16420 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 16420.