Square root of 438
The square root of 438 is 20.92845 (rounded to 6 decimal places). It cannot be simplified.
Square root of 438
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 438 is the number that multiplied by itself gives 438.
- 2
438 is between the perfect squares 20² = 400 and 21² = 441, so its square root is between 20 and 21.
- 3
438 has no square factor bigger than 1, so the radical stays as it is.
- 4
A calculator, or long division of digits, gives
LaTeX source of the formulas on this page
\[ \sqrt{438} = \sqrt{438} \approx 20.92845 \]
\[ \sqrt{438} \]
\[ \sqrt{438} \approx 20.92845 \]Squares around 438
| Number | Squared |
|---|---|
| 19 | 361 |
| 20 | 400 |
| 21 | 441 |
| 22 | 484 |
Questions
What is the square root of 438?
The square root of 438 is 20.92845 (rounded to 6 decimal places). It cannot be simplified.
Is 438 a perfect square?
No. It lies between 20² = 400 and 21² = 441.
What is 438 squared?
438 × 438 = 191844.
What is the square root of 438 rounded to 2 decimals?
20.93.