The number 76501
76501 is a composite number with 4 divisors. Its prime factorisation is 113 × 677. Divisors (4): 1, 113, 677, 76501.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 76501: a semiprime: 113 × 677, the product of two primes.
- 2
76501 is composite. Its prime factorisation is
- 3
The divisors add up to 77292; without 76501 itself that is 791, so 76501 is deficient (791 is less than 76501). Euler's totient φ(76501) = 75712 numbers up to 76501 share no factor with it.
- 4
The digits of 76501 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 125 steps to reach 1.
LaTeX source of the formulas on this page
\[ 76501 = 113 \times 677 \]
76501 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 77292 |
| Euler totient φ(n) | 75712 |
| Square | 5852403001 |
| Cube | 447714681979501 |
| Square root | 276.588141 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 125 |
| Scientific notation | 7.6501 × |
76501 in other forms
| Form | Value |
|---|---|
| In words | seventy-six thousand five hundred and one |
| Binary (base 2) | 10010101011010101 |
| Octal (base 8) | 225325 |
| Hexadecimal (base 16) | 12AD5 |
| Base 3 | 10212221101 |
| As time | 76501 seconds = 21 h 15 min 1 s |
Is 76501 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 76501 a prime number?
No. 76501 = 113 × 677, so it is divisible by 113.
What are the factors of 76501?
1, 113, 677, 76501.
What is 76501 in binary?
10010101011010101 (hexadecimal 12AD5, octal 225325).
What is the square root of 76501?
About 276.5881.
Is 76501 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 76501?
76501 is a semiprime: 113 × 677, the product of two primes.