The number 50169
50169 is a composite number with 8 divisors. Its prime factorisation is 3 × 7 × 2389. Divisors (8): 1, 3, 7, 21, 2389, 7167, 16723, 50169.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 50169: a Harshad number: divisible by its digit sum 21.
- 2
50169 is composite. Its prime factorisation is
- 3
The divisors add up to 76480; without 50169 itself that is 26311, so 50169 is deficient (26311 is less than 50169). Euler's totient φ(50169) = 28656 numbers up to 50169 share no factor with it.
- 4
The digits of 50169 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 50169 = 3 \times 7 \times 2389 \]
50169 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 76480 |
| Euler totient φ(n) | 28656 |
| Square | 2516928561 |
| Cube | 126271788976809 |
| Square root | 223.984374 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.0169 × |
50169 in other forms
| Form | Value |
|---|---|
| In words | fifty thousand one hundred and sixty-nine |
| Binary (base 2) | 1100001111111001 |
| Octal (base 8) | 141771 |
| Hexadecimal (base 16) | C3F9 |
| Base 3 | 2112211010 |
| As time | 50169 seconds = 13 h 56 min 9 s |
Is 50169 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 (50169 ÷ 3 = 16723) | 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 | Yes (50169 ÷ 7 = 7167) | 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 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 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 50169 a prime number?
No. 50169 = 3 × 7 × 2389, so it is divisible by 3.
What are the factors of 50169?
1, 3, 7, 21, 2389, 7167, 16723, 50169.
What is 50169 in binary?
1100001111111001 (hexadecimal C3F9, octal 141771).
What is the square root of 50169?
About 223.9844.
Is 50169 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 50169?
50169 is a Harshad number: divisible by its digit sum 21.