Advertisements
Advertisements
प्रश्न
Find the cube root of the following natural number 157464 .
Advertisements
उत्तर
Cube root using units digit:
Let is consider 157464.
The unit digit is 4; therefore, the unit digit in the cube root of 157464 is 4.
After striking out the units, tens and hundreds digits of the given number, we are left with 157.
Now, 5 is the largest number whose cube is less than or equal to 157 ( \[5^3 < 157 < 6^3\]) .
Therefore, the tens digit of the cube root 157464 is 5.
Hence,
\[\sqrt[3]{157464} = 54\]
APPEARS IN
संबंधित प्रश्न
Write the cubes of all natural numbers between 1 and 10 and verify the following statements:
(i) Cubes of all odd natural numbers are odd.
(ii) Cubes of all even natural numbers are even.
Which of the following is perfect cube?
106480
By which smallest number must the following number be divided so that the quotient is a perfect cube?
8788
What is the smallest number by which 8192 must be divided so that quotient is a perfect cube? Also, find the cube root of the quotient so obtained.
Find the units digit of the cube root of the following number 571787 .
Find the cube-root of 64 x 729
Find the cube-root of `− 27/343`
If m is the cube root of n, then n is ______.
Cube roots of 8 are +2 and –2.
`root(3)(8 + 27) = root(3)(8) + root(3)(27)`.
