Square Root of 441
Calculate √441 instantly — exact value, step-by-step explanation, and properties.
How to Calculate √441
The square root of 441 is exactly 21. This is because 21 × 21 = 441. Since 441 is a perfect square, its square root is a whole number. You can verify: 21² = 21 × 21 = 441.
√441 = 21 (because 21 × 21 = 441) Properties of √441
Perfect Square?
Yes
441 = 21², so its square root is a whole number.
Decimal Value
21
Exact integer result.
Square Root Symbol
√441
Also written as 441^(1/2) or 441^0.5 in programming.
Frequently Asked Questions
What is the square root of 441?
The square root of 441 is exactly 21. Since 441 is a perfect square, √441 = 21.
Is 441 a perfect square?
Yes, 441 is a perfect square. It equals 21², meaning 21 × 21 = 441.
How do you calculate √441 by hand?
Since 441 is a perfect square, you can find √441 by identifying which integer multiplied by itself equals 441. The answer is 21, because 21 × 21 = 441.
What is √441 in simplified radical form?
√441 = 21. Since it's a perfect square, no radical form is needed.