The number 59909
59909 is a composite number with 4 divisors. Its prime factorisation is 139 × 431. Divisors (4): 1, 139, 431, 59909.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 59909: a semiprime: 139 × 431, the product of two primes.
- 2
59909 is composite. Its prime factorisation is
- 3
The divisors add up to 60480; without 59909 itself that is 571, so 59909 is deficient (571 is less than 59909). Euler's totient φ(59909) = 59340 numbers up to 59909 share no factor with it.
- 4
The digits of 59909 add up to 32, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 210 steps to reach 1.
LaTeX source of the formulas on this page
\[ 59909 = 139 \times 431 \]
59909 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 60480 |
| Euler totient φ(n) | 59340 |
| Square | 3589088281 |
| Cube | 215018689826429 |
| Square root | 244.763151 |
| Digit sum / digital root | 32 / 5 |
| Collatz steps to 1 | 210 |
| Scientific notation | 5.9909 × |
59909 in other forms
| Form | Value |
|---|---|
| In words | fifty-nine thousand nine hundred and nine |
| Binary (base 2) | 1110101000000101 |
| Octal (base 8) | 165005 |
| Hexadecimal (base 16) | EA05 |
| Base 3 | 10001011212 |
| As time | 59909 seconds = 16 h 38 min 29 s |
Is 59909 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 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 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 5) | 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 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 59909 a prime number?
No. 59909 = 139 × 431, so it is divisible by 139.
What are the factors of 59909?
1, 139, 431, 59909.
What is 59909 in binary?
1110101000000101 (hexadecimal EA05, octal 165005).
What is the square root of 59909?
About 244.7632.
Is 59909 divisible by 3?
No. Its digits add up to 32, which is not a multiple of 3.
What is special about the number 59909?
59909 is a semiprime: 139 × 431, the product of two primes.