Advertisements
Advertisements
प्रश्न
Find the smallest number by which 27783 be multiplied to get a perfect cube number.
Advertisements
उत्तर
| 3 | 27783 |
| 3 | 9261 |
| 3 | 3087 |
| 3 | 1029 |
| 7 | 343 |
| 7 | 49 |
| 7 | 7 |
| 1 |
= 3 × 3 × 3 × 3 × 7 × 7 × 7
= (3 × 3 × 3) × (7 × 7 × 7) × 3
Clearly, 27783 must be multiplied by 3 × 3
= 9
APPEARS IN
संबंधित प्रश्न
Find the smallest number by which the following number must be divided to obtain a perfect cube.
192
Find the cubes of the number 302 .
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?
64
Which of the following is perfect cube?
3087
By which smallest number must the following number be divided so that the quotient is a perfect cube?
675
By taking three different values of n verify the truth of the following statement:
If n is even , then n3 is also even.
Show that the following integer is cube of negative integer. Also, find the integer whose cube is the given integer −2744000 .
Find the cube root of the following natural number 1728 .
Find the cube root of the following natural number 74088000 .
Find the cube root of the following integer −125 .
Find the units digit of the cube root of the following number 13824 .
Find the cube-root of 64
Find the cube-root of 729.
Find the cube-root of -216
Find the cube-root of -2744000
Find the cube-root of - 15.625.
79570 is not a perfect cube
Show that 1944 is not a perfect cube
If a2 ends in 9, then a3 ends in 7.
