Nth root calculator
This nth root calculator will compute the nth root of any number with just the click of a button.
Guidelines to follow when using the nth root calculator to find the nth root of a number
1. Calculate the cube root of 27 (∛27):
Enter 27 in the box that says,"Enter the number you want to take the root of"
Enter 3 in the box that says, "What root do you want to take?"
The big box will show 3 as an answer.
2. Calculate the fourth root of 625 (∜625):
Enter 625 in the box that says,"Enter the number you want to take the root of"
Enter 4 in the box that says, "What root do you want to take?"
The big box will show 5 as an answer.
3. Calculate 6th root of 4096:
Enter 4096 in the box that says, "Enter the number you want to take the root of"
Enter 6 in the box that says, "What root do you want to take?"
The big box will show 3.99999996 as an answer.
Important note:
If the answer for a root looks like 3.99999996 or 4.99999999 or 67.99999996, then you know the answer is 4, 5, or 68 respectively.
Key concept
Square root of a number
Square root of 4 is 2 because 2 times 2 is 4
Square root of 64 is 8 because 8 times 8 is 64
Cube root of a number
Cube root of 27 is 3 because 3 times 3 times 3 = 27
Cube root of 125 is 5 because 5 times 5 times 5 = 125
Fourth root of a number
The fourth root of 16 is 2 because 2 times 2 times 2 times 2 = 16
The fourth root of 625 is 5 because 5 times 5 times 5 times 5 = 625
Fifth root of a number
The fifth root of 243 is 3 because 3 times 3 times 3 times 3 times 3 = 243
The fifth root of 1024 is 4 because 4 times 4 times 4 times 4 times 4 = 1024
In many cases, you may get a real number when looking for the square root.
For example, use the square root calculator below to find the square root of 7
The result includes 2.64 with lots of other numbers after the decimal point.
Ready for big time challenge? Just like long division, learn how to compute the square root without a calculator for any number that is not a perfect square. I promise you will not sweat too much!
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