The square root of 41 is approximately 6.403.
To explain further, the square root of a number is a value that, when multiplied by itself, gives the original number. In this case, when you take 6.403 and multiply it by 6.403, you get close to 41. Since 41 is not a perfect square, its square root is an irrational number, which means it cannot be expressed as a simple fraction and its decimal representation goes on forever without repeating.