The number 50986
50986 is a composite number with 16 divisors. Its prime factorisation is 2 × 13 × 37 × 53. Divisors (16): 1, 2, 13, 26, 37, 53, 74, 106, 481, 689, 962, 1378, 1961, 3922, 25493, 50986.
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How to work it out
- 1
50986 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
50986 is composite. Its prime factorisation is
- 3
The divisors add up to 86184; without 50986 itself that is 35198, so 50986 is deficient (35198 is less than 50986). Euler's totient φ(50986) = 22464 numbers up to 50986 share no factor with it.
- 4
The digits of 50986 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 127 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50986 = 2 \times 13 \times 37 \times 53 \]
50986 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 86184 |
| Euler totient φ(n) | 22464 |
| Square | 2599572196 |
| Cube | 132541787985256 |
| Square root | 225.800797 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 127 |
| Scientific notation | 5.0986 × |
50986 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand nine hundred and eighty-six |
| Binary (base 2) | 1100011100101010 |
| Octal (base 8) | 143452 |
| Hexadecimal (base 16) | C72A |
| Base 3 | 2120221101 |
| As time | 50986 seconds = 14 h 9 min 46 s |
Is 50986 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (50986 ÷ 2 = 25493) | 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 2) | 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 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 50986 a prime number?
No. 50986 = 2 × 13 × 37 × 53, so it is divisible by 2.
What are the factors of 50986?
1, 2, 13, 26, 37, 53, 74, 106, 481, 689, 962, 1378, 1961, 3922, 25493, 50986.
What is 50986 in binary?
1100011100101010 (hexadecimal C72A, octal 143452).
What is the square root of 50986?
About 225.8008.
Is 50986 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 50986?
It is a composite number with 16 divisors.