40 in Urdu Counting is called چالیس ۴۰ Chalees.
Chalees چالیس ۴۰
Number |
40 |
Roman Numeral |
XL |
Binary Representation |
101000 |
Octal Representation |
50 |
Hexadecimal Representation |
28 |
Binary Palindrome |
No (Binary representation: 101000) |
Cube |
40^3 = 64000 |
Cube Root |
∛40 ≈ 3.41995 |
Divisibility Rules |
Divisible by 1, 2, 4, 5, 8, 10, 20, 40 |
Divisors |
1, 2, 4, 5, 8, 10, 20, 40 |
Euler’s Totient Function |
φ(40) = 16 |
Exponentiation |
2^3 = 8 |
Factors |
1, 2, 4, 5, 8, 10, 20, 40 |
Palindromic |
No (40 is not a palindrome) |
Prime Factorization |
40 = 2^3 * 5 |
Product of Digits |
4 * 0 = 0 |
Square |
40^2 = 1600 |
Square Root |
√40 ≈ 6.32456 |
Sum of Digits |
4 + 0 = 4 |