The number 60729
60729 is a composite number with 8 divisors. Its prime factorisation is 3 × 31 × 653. Divisors (8): 1, 3, 31, 93, 653, 1959, 20243, 60729.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
60729 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
60729 is composite. Its prime factorisation is
- 3
The divisors add up to 83712; without 60729 itself that is 22983, so 60729 is deficient (22983 is less than 60729). Euler's totient φ(60729) = 39120 numbers up to 60729 share no factor with it.
- 4
The digits of 60729 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 210 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60729 = 3 \times 31 \times 653 \]
60729 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 83712 |
| Euler totient φ(n) | 39120 |
| Square | 3688011441 |
| Cube | 223969246800489 |
| Square root | 246.432547 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 210 |
| Scientific notation | 6.0729 × |
60729 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand seven hundred and twenty-nine |
| Binary (base 2) | 1110110100111001 |
| Octal (base 8) | 166471 |
| Hexadecimal (base 16) | ED39 |
| Base 3 | 10002022020 |
| As time | 60729 seconds = 16 h 52 min 9 s |
Is 60729 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 | Yes (60729 ÷ 3 = 20243) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 60729 a prime number?
No. 60729 = 3 × 31 × 653, so it is divisible by 3.
What are the factors of 60729?
1, 3, 31, 93, 653, 1959, 20243, 60729.
What is 60729 in binary?
1110110100111001 (hexadecimal ED39, octal 166471).
What is the square root of 60729?
About 246.4325.
Is 60729 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 60729?
It is a composite number with 8 divisors.