57 squared
57² = 57 × 57 = 3,249
To square a number, multiply it by itself. 57 squared is written 57² or 57^2, and the answer is 3,249.
How to work out 57 squared
- Direct: 57 × 57 = 3,249.
- From the previous square: 56² = 3,136, and 57² = 3,136 + (2 × 57 − 1) = 3,136 + 113 = 3,249.
- Split the number: 57 = 50 + 7, so 57² = 50² + 2 × 50 × 7 + 7² = 2,500 + 700 + 49 = 3,249.
Related
- 57 cubed = 185,193
- The square root of 3,249 is 57, so 3,249 is a perfect square.
Squares near 57
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