The number 49849
49849 is a composite number with 4 divisors. Its prime factorisation is 79 × 631. Divisors (4): 1, 79, 631, 49849.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 49849: a semiprime: 79 × 631, the product of two primes.
- 2
49849 is composite. Its prime factorisation is
- 3
The divisors add up to 50560; without 49849 itself that is 711, so 49849 is deficient (711 is less than 49849). Euler's totient φ(49849) = 49140 numbers up to 49849 share no factor with it.
- 4
The digits of 49849 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
\[ 49849 = 79 \times 631 \]
49849 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 50560 |
| Euler totient φ(n) | 49140 |
| Square | 2484922801 |
| Cube | 123870916707049 |
| Square root | 223.268896 |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 189 |
| Scientific notation | 4.9849 × |
49849 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand eight hundred and forty-nine |
| Binary (base 2) | 1100001010111001 |
| Octal (base 8) | 141271 |
| Hexadecimal (base 16) | C2B9 |
| Base 3 | 2112101021 |
| As time | 49849 seconds = 13 h 50 min 49 s |
Is 49849 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 | No (remainder 4) | 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 2) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | 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 49849 a prime number?
No. 49849 = 79 × 631, so it is divisible by 79.
What are the factors of 49849?
1, 79, 631, 49849.
What is 49849 in binary?
1100001010111001 (hexadecimal C2B9, octal 141271).
What is the square root of 49849?
About 223.2689.
Is 49849 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 49849?
49849 is a semiprime: 79 × 631, the product of two primes.