Find the cube root of 369017 by estimation method
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20346417=20.346417*10^6
Cube root of 20.346417 is about 3, a bit less.
20.346417=3*3*2.260713
Average of the three factors is 8.260713/3=2.75
So the cube root of 20346417 is about 275, a bit less.Since the last digit of the given number is 7, and if it is a perfect cube, the cube root ends with 3. (The repeated digit sum of the given number is 9; it may be a perfect cube).
So the required cube root may be 273.
Cube root of 20.346417 is about 3, a bit less.
20.346417=3*3*2.260713
Average of the three factors is 8.260713/3=2.75
So the cube root of 20346417 is about 275, a bit less.Since the last digit of the given number is 7, and if it is a perfect cube, the cube root ends with 3. (The repeated digit sum of the given number is 9; it may be a perfect cube).
So the required cube root may be 273.
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