The number 49855
49855 is a composite number with 12 divisors. Its prime factorisation is 5 × × 59. Divisors (12): 1, 5, 13, 59, 65, 169, 295, 767, 845, 3835, 9971, 49855.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49855 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49855 is composite. Its prime factorisation is
- 3
The divisors add up to 65880; without 49855 itself that is 16025, so 49855 is deficient (16025 is less than 49855). Euler's totient φ(49855) = 36192 numbers up to 49855 share no factor with it.
- 4
The digits of 49855 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49855 = 5 \times 13^{2} \times 59 \]49855 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 65880 |
| Euler totient φ(n) | 36192 |
| Square | 2485521025 |
| Cube | 123915650701375 |
| Square root | 223.282332 (= 13√295) |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.9855 × |
49855 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand eight hundred and fifty-five |
| Binary (base 2) | 1100001010111111 |
| Octal (base 8) | 141277 |
| Hexadecimal (base 16) | C2BF |
| Base 3 | 2112101111 |
| As time | 49855 seconds = 13 h 50 min 55 s |
Is 49855 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (49855 ÷ 5 = 9971) | 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 1) | 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 7) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | 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 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49855 a prime number?
No. 49855 = 5 × × 59, so it is divisible by 5.
What are the factors of 49855?
1, 5, 13, 59, 65, 169, 295, 767, 845, 3835, 9971, 49855.
What is 49855 in binary?
1100001010111111 (hexadecimal C2BF, octal 141277).
What is the square root of 49855?
About 223.2823, exactly 13√295.
Is 49855 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 49855?
It is a composite number with 12 divisors.