Advertisements
Advertisements
प्रश्न
Find the least number by which 1323 must be multiplied so that the product is a perfect cube.
उत्तर
The prime factor of 1323 are =3 x 3 x 3 x 7 x 7
= (3 x 3 x 3) x 7 x 7
Clearly, 1323 must be multiplied by 7.
APPEARS IN
संबंधित प्रश्न
Find the cubes of the number 21 .
Which of the following is perfect cube?
216
Which of the following are cubes of odd natural numbers?
125, 343, 1728, 4096, 32768, 6859
Find if the following number is not a perfect cube?
243
For of the non-perfect cubes in Q. No. 20 find the smallest number by which it must be multiplied so that the product is a perfect cube.
Write true (T) or false (F) for the following statement:
392 is a perfect cube.
Write true (T) or false (F) for the following statement:
8640 is not a perfect cube.
Write true (T) or false (F) for the following statement:
If a2 ends in an even number of zeros, then a3 ends in an odd number of zeros.
Show that the following integer is cube of negative integer. Also, find the integer whose cube is the given integer −5832 .
Find the cube root of the following natural number 48228544 .
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.
Three numbers are in the ratio 1 : 2 : 3. The sum of their cubes is 98784. Find the numbers.
Find the cube root of the following integer −32768 .
Find if the following number is a perfect cube.
1938
Find the cube-root of -1331
Find the cube-root of -64 x -125
Find the cube-root of `− 27/343`
Find the cube root 24 × 36 × 80 × 25
The cube root of 8000 is 200.
Evaluate:
`root(3)(27) + root(3)(0.008) + root(3)(0.064)`
