How to find Cube Root of a Number Quickly 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.

jernplate8 2020-11-07 Answered
How to find Cube Root of a Number Quickly 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.
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question2answer
Answered 2021-04-16 Author has 162 answers

Always Remember Some Basic Cubes

= 1 = 4096
= 8 = 4913
= 27 = 5832
= 64 = 6859
= 125 = 8000
= 216 = 9261
= 343 = 10648
= 512 = 12167
= 729 = 13824
= 1000 = 15625
= 1331 = 17576
= 1728 = 19683
= 2197 = 21952
= 2744 = 24389
= 3375 = 27000

Trick 1. 

Cube root for 2406104:

Number         Split as
2406104       2406 | 104
Split the number keeping the last 3 digit aside
(2197) < 2406 < (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

   13     |       4
Ans. 134

Trick 2. 

 

 

Cube root for 3796416:

Number     Split as:
3796416    3796 | 416
Split the number keeping the last 3 digit aside
(3375) < 3796 < (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

15    |    6
Ans. 156

Trick 3. 

 

 

Cube root for 2628072:

Number    Split as:
2628072    2628 | 072
Split the number keeping the last 3 digit aside
(2197) < 2628 < (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

13     |       8
Ans. 138

 

Try out some Cube Root Examples for:

3112136, 3869893, 704969, 14348907

 

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