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What is the Square Root of 18990?

The square root of 18990 is 137.8042089343. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√18990 = 137.8042089343
CalculatedNon-perfect squareIrrational
Exact form√18990
Perfect squareNo
Number typeIrrational
Verification137.80420893432 ≈ 18990

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How the answer is calculated

We solve x2 = 18990. The resulting value is x = 137.8042089343.

Verification: 137.80420893432 ≈ 18990.

Simplified radical form

The square root of 18990 in simplified radical form is 3√2110.

This is equivalent to √18990, with perfect-square factors moved outside the radical.

Nearest Perfect squares

PositionBaseValue
Lower or equal13718769
Upper or equal13819044

Nearby square roots

NumberSquare root
√18987137.7933234957
√18988137.7969520708
√18989137.8005805503
√18990137.8042089343
√18991137.8078372227
√18992137.8114654156
√18993137.815093513

Number properties

Is 18990 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√18990 is irrational because 18990 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 18990.