WorkedMathGlossary

Square Root of 27

The square root of 27 is approximately 5.196152, or exactly 3√3 in simplified radical form. No, 27 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.

27
5.196152
Simplified Radical Form
3√3
Perfect Square
No

27 is irrational — its decimal form (5.196152) never terminates or repeats. The simplified radical form (3√3) is the exact value.

Frequently Asked Questions

What is the square root of 27?

The square root of 27 is approximately 5.196152, or exactly 3√3 in simplified radical form.

Is 27 a perfect square?

No, 27 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.

More Number Theory

Nearby numbers

View all calculators →