The number 49885
49885 is a composite number with 8 divisors. Its prime factorisation is 5 × 11 × 907. Divisors (8): 1, 5, 11, 55, 907, 4535, 9977, 49885.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49885 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49885 is composite. Its prime factorisation is
- 3
The divisors add up to 65376; without 49885 itself that is 15491, so 49885 is deficient (15491 is less than 49885). Euler's totient φ(49885) = 36240 numbers up to 49885 share no factor with it.
- 4
The digits of 49885 add up to 34, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 189 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49885 = 5 \times 11 \times 907 \]
49885 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 65376 |
| Euler totient φ(n) | 36240 |
| Square | 2488513225 |
| Cube | 124139482229125 |
| Square root | 223.349502 |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 189 |
| Scientific notation | 4.9885 × |
49885 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand eight hundred and eighty-five |
| Binary (base 2) | 1100001011011101 |
| Octal (base 8) | 141335 |
| Hexadecimal (base 16) | C2DD |
| Base 3 | 2112102121 |
| As time | 49885 seconds = 13 h 51 min 25 s |
Is 49885 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 (49885 ÷ 5 = 9977) | 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 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 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 | Yes (49885 ÷ 11 = 4535) | 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 49885 a prime number?
No. 49885 = 5 × 11 × 907, so it is divisible by 5.
What are the factors of 49885?
1, 5, 11, 55, 907, 4535, 9977, 49885.
What is 49885 in binary?
1100001011011101 (hexadecimal C2DD, octal 141335).
What is the square root of 49885?
About 223.3495.
Is 49885 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 49885?
It is a composite number with 8 divisors.