The number 49039
49039 is a composite number with 8 divisors. Its prime factorisation is 19 × 29 × 89. Divisors (8): 1, 19, 29, 89, 551, 1691, 2581, 49039.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
49039 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
49039 is composite. Its prime factorisation is
- 3
The divisors add up to 54000; without 49039 itself that is 4961, so 49039 is deficient (4961 is less than 49039). Euler's totient φ(49039) = 44352 numbers up to 49039 share no factor with it.
- 4
The digits of 49039 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 96 steps to reach 1.
LaTeX source of the formulas on this page
\[ 49039 = 19 \times 29 \times 89 \]
49039 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 54000 |
| Euler totient φ(n) | 44352 |
| Square | 2404823521 |
| Cube | 117930140646319 |
| Square root | 221.447511 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 96 |
| Scientific notation | 4.9039 × |
49039 in other forms
| Form | Value |
|---|---|
| In words | forty-nine thousand and thirty-nine |
| Binary (base 2) | 1011111110001111 |
| Octal (base 8) | 137617 |
| Hexadecimal (base 16) | BF8F |
| Base 3 | 2111021021 |
| As time | 49039 seconds = 13 h 37 min 19 s |
Is 49039 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 | 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 4) | 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 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 1) | 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 49039 a prime number?
No. 49039 = 19 × 29 × 89, so it is divisible by 19.
What are the factors of 49039?
1, 19, 29, 89, 551, 1691, 2581, 49039.
What is 49039 in binary?
1011111110001111 (hexadecimal BF8F, octal 137617).
What is the square root of 49039?
About 221.4475.
Is 49039 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 49039?
It is a composite number with 8 divisors.