Square root of 6642

The square root of 6642 is 81.498466 (rounded to 6 decimal places). In simplest radical form it is 9√82.

Square root of 6642

Pick any whole number from 1 to 10,000.

\sqrt{6642} = 9\sqrt{82} \approx 81.498466

How to work it out

1
The square root of 6642 is the number that multiplied by itself gives 6642.
2
6642 is between the perfect squares 81² = 6561 and 82² = 6724, so its square root is between 81 and 82.
3
Pull out the biggest square factor: 6642 = 81 × 82, so
$\sqrt{6642} = \sqrt{81 \times 82} = 9\sqrt{82}$
4
A calculator, or long division of digits, gives
$\sqrt{6642} \approx 81.498466$

LaTeX source of the formulas on this page

\[ \sqrt{6642} = 9\sqrt{82} \approx 81.498466 \]
\[ \sqrt{6642} = \sqrt{81 \times 82} = 9\sqrt{82} \]
\[ \sqrt{6642} \approx 81.498466 \]

What is the square root of 6642?

The square root of 6642 is 81.498466 (rounded to 6 decimal places). In simplest radical form it is 9√82.

Is 6642 a perfect square?

No. It lies between 81² = 6561 and 82² = 6724.

What is 6642 squared?

6642 × 6642 = 44116164.

What is the square root of 6642 rounded to 2 decimals?

81.50.