The number 60789
60789 is a composite number with 8 divisors. Its prime factorisation is 3 × 23 × 881. Divisors (8): 1, 3, 23, 69, 881, 2643, 20263, 60789.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 60789: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
60789 is composite. Its prime factorisation is
- 3
The divisors add up to 84672; without 60789 itself that is 23883, so 60789 is deficient (23883 is less than 60789). Euler's totient φ(60789) = 38720 numbers up to 60789 share no factor with it.
- 4
The digits of 60789 add up to 30, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 73 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60789 = 3 \times 23 \times 881 \]
60789 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 84672 |
| Euler totient φ(n) | 38720 |
| Square | 3695302521 |
| Cube | 224633744949069 |
| Square root | 246.554254 |
| Digit sum / digital root | 30 / 3 |
| Collatz steps to 1 | 73 |
| Scientific notation | 6.0789 × |
60789 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand seven hundred and eighty-nine |
| Binary (base 2) | 1110110101110101 |
| Octal (base 8) | 166565 |
| Hexadecimal (base 16) | ED75 |
| Base 3 | 10002101110 |
| As time | 60789 seconds = 16 h 53 min 9 s |
Is 60789 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 (60789 ÷ 3 = 20263) | 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 1) | 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 3) | 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 3) | 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 60789 a prime number?
No. 60789 = 3 × 23 × 881, so it is divisible by 3.
What are the factors of 60789?
1, 3, 23, 69, 881, 2643, 20263, 60789.
What is 60789 in binary?
1110110101110101 (hexadecimal ED75, octal 166565).
What is the square root of 60789?
About 246.5543.
Is 60789 divisible by 3?
Yes. Its digits add up to 30, a multiple of 3.
What is special about the number 60789?
60789 is a happy number: repeatedly adding the squares of its digits reaches 1.