Using division method, find the square root of the following number.

$193600$

Using division method, find the square root of the following number.

$144$

Using division method, find the square root of the following number.

$657666025$

Using division method, find the square root of the following number.

$306916$

Using division method, find the square root of the following number.

$92416$

Using division method, find the square root of the following number.

$18769$

Check whether the following numbers are perfect squares. If not, find the number by which these should be multiplied so that the product is a perfect square. Also, find the square root of the new number obtained.

$2352$

Check whether the following number is perfect square. If not, find the number by which these should be multiplied so that the product is a perfect square. Also, find the square root of the new number obtained.

$7056$

Check whether the following number is perfect squares. If not, find the number by which these should be multiplied so that the product is a perfect square. Also, find the square root of the new number obtained.

$441$