Learn shortcut trick to find Cube Root of any number within 5 seconds. 2 Steps method to learn how to find Cube Root of any number.
2406104 2406 | 104
Split the number keeping the last 3 digit aside
`13^{ 3 } ` (2197) < 2406 < `14^{ 3 } ` (2744)
Choose the smaller number (13) as the 1st Part
13 | 4
Ans. 134
3796416 3796 | 416
Split the number keeping the last 3 digit aside
`15^{ 3 } ` (3375) < 3796 < `16^{ 3 } ` (4096)
Choose the smaller number (15) as the 1st Part
15 | 6
Ans. 156
2628072 2628 | 072
Split the number keeping the last 3 digit aside
`13^{ 3 } ` (2197) < 2628 < `14^{ 3 } ` (2744)
Choose the smaller number (13) as the 1st Part
13 | 8
Ans. 138
Always Remember Some Basic Cubes
Trick 1.
Cube root for 2406104:
Number Split as2406104 2406 | 104
Split the number keeping the last 3 digit aside
`13^{ 3 } ` (2197) < 2406 < `14^{ 3 } ` (2744)
Choose the smaller number (13) as the 1st Part
If the cube ends in | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 |
The no. would end in | 1 | 8 | 7 | 4 | 5 | 6 | 3 | 2 | 9 | 0 |
Ans. 134
Trick 2.
Cube root for 3796416:
Number Split as:3796416 3796 | 416
Split the number keeping the last 3 digit aside
`15^{ 3 } ` (3375) < 3796 < `16^{ 3 } ` (4096)
Choose the smaller number (15) as the 1st Part
If the cube ends in | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 |
The no. would end in | 1 | 8 | 7 | 4 | 5 | 6 | 3 | 2 |
9
|
0 |
Ans. 156
Trick 3.
Cube root for 2628072:
Number Split as:2628072 2628 | 072
Split the number keeping the last 3 digit aside
`13^{ 3 } ` (2197) < 2628 < `14^{ 3 } ` (2744)
Choose the smaller number (13) as the 1st Part
If the cube ends in | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 |
The no. would end in | 1 | 8 | 7 | 4 | 5 | 6 | 3 | 2 | 9 | 0 |
Ans. 138
Try out some Cube Root Examples for:
3112136, 3869893, 704969, 14348907