The number 56042
56042 is a composite number with 8 divisors. Its prime factorisation is 2 × 7 × 4003. Divisors (8): 1, 2, 7, 14, 4003, 8006, 28021, 56042.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
56042 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
56042 is composite. Its prime factorisation is
- 3
The divisors add up to 96096; without 56042 itself that is 40054, so 56042 is deficient (40054 is less than 56042). Euler's totient φ(56042) = 24012 numbers up to 56042 share no factor with it.
- 4
The digits of 56042 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 34 steps to reach 1.
LaTeX source of the formulas on this page
\[ 56042 = 2 \times 7 \times 4003 \]
56042 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 96096 |
| Euler totient φ(n) | 24012 |
| Square | 3140705764 |
| Cube | 176011432426088 |
| Square root | 236.731916 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 34 |
| Scientific notation | 5.6042 × |
56042 in other forms
| Form | Value |
|---|---|
| In words | fifty-six thousand and forty-two |
| Binary (base 2) | 1101101011101010 |
| Octal (base 8) | 155352 |
| Hexadecimal (base 16) | DAEA |
| Base 3 | 2211212122 |
| As time | 56042 seconds = 15 h 34 min 2 s |
Is 56042 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (56042 ÷ 2 = 28021) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (56042 ÷ 7 = 8006) | 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 2) | 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 2) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 56042 a prime number?
No. 56042 = 2 × 7 × 4003, so it is divisible by 2.
What are the factors of 56042?
1, 2, 7, 14, 4003, 8006, 28021, 56042.
What is 56042 in binary?
1101101011101010 (hexadecimal DAEA, octal 155352).
What is the square root of 56042?
About 236.7319.
Is 56042 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 56042?
It is a composite number with 8 divisors.