The number 49841
49841 is a composite number with 8 divisors. Its prime factorisation is 11 × 23 × 197. Divisors (8): 1, 11, 23, 197, 253, 2167, 4531, 49841.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49841 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49841 is composite. Its prime factorisation is
- 3
The divisors add up to 57024; without 49841 itself that is 7183, so 49841 is deficient (7183 is less than 49841). Euler's totient φ(49841) = 43120 numbers up to 49841 share no factor with it.
- 4
The digits of 49841 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 189 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49841 = 11 \times 23 \times 197 \]
49841 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 57024 |
| Euler totient φ(n) | 43120 |
| Square | 2484125281 |
| Cube | 123811288130321 |
| Square root | 223.250980 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 189 |
| Scientific notation | 4.9841 × |
49841 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand eight hundred and forty-one |
| Binary (base 2) | 1100001010110001 |
| Octal (base 8) | 141261 |
| Hexadecimal (base 16) | C2B1 |
| Base 3 | 2112100222 |
| As time | 49841 seconds = 13 h 50 min 41 s |
Is 49841 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 2) | 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 1) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (49841 ÷ 11 = 4531) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 49841 a prime number?
No. 49841 = 11 × 23 × 197, so it is divisible by 11.
What are the factors of 49841?
1, 11, 23, 197, 253, 2167, 4531, 49841.
What is 49841 in binary?
1100001010110001 (hexadecimal C2B1, octal 141261).
What is the square root of 49841?
About 223.2510.
Is 49841 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 49841?
It is a composite number with 8 divisors.