The number 69042
69042 is a composite number with 16 divisors. Its prime factorisation is 2 × 3 × 37 × 311. Divisors (16): 1, 2, 3, 6, 37, 74, 111, 222, 311, 622, 933, 1866, 11507, 23014, 34521, 69042.
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How to work it out
- 1
69042 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
69042 is composite. Its prime factorisation is
- 3
The divisors add up to 142272; without 69042 itself that is 73230, so 69042 is abundant (73230 is more than 69042). Euler's totient φ(69042) = 22320 numbers up to 69042 share no factor with it.
- 4
The digits of 69042 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 130 steps to reach 1.
LaTeX source of the formulas on this page
\[ 69042 = 2 \times 3 \times 37 \times 311 \]
69042 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 142272 |
| Euler totient φ(n) | 22320 |
| Square | 4766797764 |
| Cube | 329109251222088 |
| Square root | 262.758444 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 130 |
| Scientific notation | 6.9042 × |
69042 in other forms
| Form | Value |
|---|---|
| In words | sixty-nine thousand and forty-two |
| Binary (base 2) | 10000110110110010 |
| Octal (base 8) | 206662 |
| Hexadecimal (base 16) | 10DB2 |
| Base 3 | 10111201010 |
| As time | 69042 seconds = 19 h 10 min 42 s |
Is 69042 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (69042 ÷ 2 = 34521) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (69042 ÷ 3 = 23014) | 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 | Yes (69042 ÷ 6 = 11507) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | 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 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 69042 a prime number?
No. 69042 = 2 × 3 × 37 × 311, so it is divisible by 2.
What are the factors of 69042?
1, 2, 3, 6, 37, 74, 111, 222, 311, 622, 933, 1866, 11507, 23014, 34521, 69042.
What is 69042 in binary?
10000110110110010 (hexadecimal 10DB2, octal 206662).
What is the square root of 69042?
About 262.7584.
Is 69042 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 69042?
It is a composite number with 16 divisors.