The number 60731
60731 is a composite number with 4 divisors. Its prime factorisation is 11 × 5521. Divisors (4): 1, 11, 5521, 60731.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 60731: a semiprime: 11 × 5521, the product of two primes.
- 2
60731 is composite. Its prime factorisation is
- 3
The divisors add up to 66264; without 60731 itself that is 5533, so 60731 is deficient (5533 is less than 60731). Euler's totient φ(60731) = 55200 numbers up to 60731 share no factor with it.
- 4
The digits of 60731 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 73 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60731 = 11 \times 5521 \]
60731 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 66264 |
| Euler totient φ(n) | 55200 |
| Square | 3688254361 |
| Cube | 223991375597891 |
| Square root | 246.436604 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 73 |
| Scientific notation | 6.0731 × |
60731 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand seven hundred and thirty-one |
| Binary (base 2) | 1110110100111011 |
| Octal (base 8) | 166473 |
| Hexadecimal (base 16) | ED3B |
| Base 3 | 10002022022 |
| As time | 60731 seconds = 16 h 52 min 11 s |
Is 60731 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 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | 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 | Yes (60731 ÷ 11 = 5521) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 60731 a prime number?
No. 60731 = 11 × 5521, so it is divisible by 11.
What are the factors of 60731?
1, 11, 5521, 60731.
What is 60731 in binary?
1110110100111011 (hexadecimal ED3B, octal 166473).
What is the square root of 60731?
About 246.4366.
Is 60731 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 60731?
60731 is a semiprime: 11 × 5521, the product of two primes.