# Square root of 645

### Square Root Calculator

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#### Square root result:

Sqrt(645). Find the square root of 645 or any other real number, positive or negative. Here are the answers to questions like: Square root of 645 or what is the square root of 645?

## What is square root? Definition of square root

A square root of a number 'x' is a number y such that y2 = x, in other words, a number y whose square is y. For example, 25 is the square root of 625 because 252 = 25•25 = 625, -25 is square root of 625 because (-25)2 = (-25)•(-25) = 625. When writing math, people often use sqrt(x) to mean the square root of x. Read more about square root here: Square Root - Wikipedia and here: Square Root - Wolfram

## Square Symbol?

Here is the square root symbol. It is is denoted by √, known as the radical sign or radix. ### Square root of values around 645

NumberSqrt
The square root of 641 is 25.318
The square root of 642 is 25.338
The square root of 643 is 25.357
The square root of 644 is 25.377
The square root of 646 is 25.417
The square root of 647 is 25.436
The square root of 648 is 25.456
The square root of 649 is 25.475
The square root of 650 is 25.495