The number 49165
49165 is a composite number with 4 divisors. Its prime factorisation is 5 × 9833. Divisors (4): 1, 5, 9833, 49165.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49165: a semiprime: 5 × 9833, the product of two primes.
- 2
49165 is composite. Its prime factorisation is
- 3
The divisors add up to 59004; without 49165 itself that is 9839, so 49165 is deficient (9839 is less than 49165). Euler's totient φ(49165) = 39328 numbers up to 49165 share no factor with it.
- 4
The digits of 49165 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 52 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49165 = 5 \times 9833 \]
49165 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 59004 |
| Euler totient φ(n) | 39328 |
| Square | 2417197225 |
| Cube | 118841501567125 |
| Square root | 221.731820 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 52 |
| Scientific notation | 4.9165 × |
49165 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand one hundred and sixty-five |
| Binary (base 2) | 1100000000001101 |
| Octal (base 8) | 140015 |
| Hexadecimal (base 16) | C00D |
| Base 3 | 2111102221 |
| As time | 49165 seconds = 13 h 39 min 25 s |
Is 49165 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 | Yes (49165 ÷ 5 = 9833) | 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 4) | 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 5) | 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 49165 a prime number?
No. 49165 = 5 × 9833, so it is divisible by 5.
What are the factors of 49165?
1, 5, 9833, 49165.
What is 49165 in binary?
1100000000001101 (hexadecimal C00D, octal 140015).
What is the square root of 49165?
About 221.7318.
Is 49165 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 49165?
49165 is a semiprime: 5 × 9833, the product of two primes.