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Python math.isqrt() Method

❮ Math Methods

Example

Round a square root number downwards to the nearest integer:

# Import math Library
import math

# Print the square root of different numbers
print (math.sqrt(10))
print (math.sqrt (12))
print (math.sqrt (68))
print (math.sqrt (100))

# Round square root downward to the nearest integer
print (math.isqrt(10))
print (math.isqrt (12))
print (math.isqrt (68))
print (math.isqrt (100))
Run Example »

Definition and Usage

The math.isqrt() method rounds a square root number downwards to the nearest integer.

Note: The number must be greater than or equal to 0.

Syntax

math.isqrt(x)

Parameter Values

Parameter Description
x Required. The number to round the square root of. If x is negative, it returns a ValueError. If x is not a number, it returns a TypeError

Technical Details

Return Value: An int value, representing the square root of a number, without decimals
Python Version: 3.8

❮ Math Methods