The number 49797
49797 is a composite number with 12 divisors. Its prime factorisation is × 11 × 503. Divisors (12): 1, 3, 9, 11, 33, 99, 503, 1509, 4527, 5533, 16599, 49797.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49797 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49797 is composite. Its prime factorisation is
- 3
The divisors add up to 78624; without 49797 itself that is 28827, so 49797 is deficient (28827 is less than 49797). Euler's totient φ(49797) = 30120 numbers up to 49797 share no factor with it.
- 4
The digits of 49797 add up to 36, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 158 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49797 = 3^{2} \times 11 \times 503 \]49797 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 78624 |
| Euler totient φ(n) | 30120 |
| Square | 2479741209 |
| Cube | 123483672984573 |
| Square root | 223.152414 (= 3√5533) |
| Digit sum / digital root | 36 / 9 |
| Collatz steps to 1 | 158 |
| Scientific notation | 4.9797 × |
49797 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand seven hundred and ninety-seven |
| Binary (base 2) | 1100001010000101 |
| Octal (base 8) | 141205 |
| Hexadecimal (base 16) | C285 |
| Base 3 | 2112022100 |
| As time | 49797 seconds = 13 h 49 min 57 s |
Is 49797 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 (49797 ÷ 3 = 16599) | 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 2) | 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 | No (remainder 6) | 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 | Yes (49797 ÷ 9 = 5533) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (49797 ÷ 11 = 4527) | 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 49797 a prime number?
No. 49797 = × 11 × 503, so it is divisible by 3.
What are the factors of 49797?
1, 3, 9, 11, 33, 99, 503, 1509, 4527, 5533, 16599, 49797.
What is 49797 in binary?
1100001010000101 (hexadecimal C285, octal 141205).
What is the square root of 49797?
About 223.1524, exactly 3√5533.
Is 49797 divisible by 3?
Yes. Its digits add up to 36, a multiple of 3.
What is special about the number 49797?
It is a composite number with 12 divisors.