The number 46789
46789 is a composite number with 4 divisors. Its prime factorisation is 71 × 659. Divisors (4): 1, 71, 659, 46789.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 46789: a semiprime: 71 × 659, the product of two primes.
- 2
46789 is composite. Its prime factorisation is
- 3
The divisors add up to 47520; without 46789 itself that is 731, so 46789 is deficient (731 is less than 46789). Euler's totient φ(46789) = 46060 numbers up to 46789 share no factor with it.
- 4
The digits of 46789 add up to 34, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 145 steps to reach 1.
LaTeX source of the formulas on this page
\[ 46789 = 71 \times 659 \]
46789 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 47520 |
| Euler totient φ(n) | 46060 |
| Square | 2189210521 |
| Cube | 102430971067069 |
| Square root | 216.307651 |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 145 |
| Scientific notation | 4.6789 × |
46789 in other forms
| Form | Value |
|---|---|
| In words | forty-six thousand seven hundred and eighty-nine |
| Binary (base 2) | 1011011011000101 |
| Octal (base 8) | 133305 |
| Hexadecimal (base 16) | B6C5 |
| Base 3 | 2101011221 |
| As time | 46789 seconds = 12 h 59 min 49 s |
Is 46789 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 4) | 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 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 7) | 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 6) | 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 46789 a prime number?
No. 46789 = 71 × 659, so it is divisible by 71.
What are the factors of 46789?
1, 71, 659, 46789.
What is 46789 in binary?
1011011011000101 (hexadecimal B6C5, octal 133305).
What is the square root of 46789?
About 216.3077.
Is 46789 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 46789?
46789 is a semiprime: 71 × 659, the product of two primes.