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√6371 = 79.818544

The square root of 6371 is 79.818544. Free square root calculator with 10 decimal precision.

79.818544

√6371 = 79.818544. Verified: 79.818544 x 79.818544 ≈ 6371.

How This Was Calculated

The square root of a number x is the value that, multiplied by itself, gives x:

sqrt(x) x sqrt(x) = x

The nth root generalizes this: nth root of x = x^(1/n). Square roots of non-perfect squares are irrational numbers with non-repeating decimal expansions.

Quick Reference Table

InputResult
636679.787217
636979.806015
637079.81228
637279.824808
637379.831072
637679.849859

Frequently Asked Questions

What is a square root?

The square root of a number is the value that, when multiplied by itself, equals the original number. For example, the square root of 25 is 5 because 5 x 5 = 25.

What is a perfect square?

A perfect square is a number whose square root is a whole number, like 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, and so on.

Can you take the square root of a negative number?

Not in real numbers. The square root of a negative number is imaginary — for example, sqrt(-9) = 3i, where i is the imaginary unit.

How do I estimate a square root manually?

Find the two perfect squares it sits between. For sqrt(50): 49 (7^2) and 64 (8^2), so the answer is between 7 and 8, closer to 7. Actual: 7.071.

What is the square root of 2?

The square root of 2 is approximately 1.4142135624. It is an irrational number, meaning its decimal expansion never ends or repeats.

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