The number 36142
36142 is a composite number with 8 divisors. Its prime factorisation is 2 × 17 × 1063. Divisors (8): 1, 2, 17, 34, 1063, 2126, 18071, 36142.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
36142 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
36142 is composite. Its prime factorisation is
- 3
The divisors add up to 57456; without 36142 itself that is 21314, so 36142 is deficient (21314 is less than 36142). Euler's totient φ(36142) = 16992 numbers up to 36142 share no factor with it.
- 4
The digits of 36142 add up to 16, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 41 steps to reach 1.
LaTeX source of the formulas on this page
\[ 36142 = 2 \times 17 \times 1063 \]
36142 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 57456 |
| Euler totient φ(n) | 16992 |
| Square | 1306244164 |
| Cube | 47210276575288 |
| Square root | 190.110494 |
| Digit sum / digital root | 16 / 7 |
| Collatz steps to 1 | 41 |
| Scientific notation | 3.6142 × |
36142 in other forms
| Form | Value |
|---|---|
| In words | thirty-six thousand one hundred and forty-two |
| Binary (base 2) | 1000110100101110 |
| Octal (base 8) | 106456 |
| Hexadecimal (base 16) | 8D2E |
| Base 3 | 1211120121 |
| As time | 36142 seconds = 10 h 2 min 22 s |
Is 36142 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (36142 ÷ 2 = 18071) | 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 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 4) | 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 6) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 36142 a prime number?
No. 36142 = 2 × 17 × 1063, so it is divisible by 2.
What are the factors of 36142?
1, 2, 17, 34, 1063, 2126, 18071, 36142.
What is 36142 in binary?
1000110100101110 (hexadecimal 8D2E, octal 106456).
What is the square root of 36142?
About 190.1105.
Is 36142 divisible by 3?
No. Its digits add up to 16, which is not a multiple of 3.
What is special about the number 36142?
It is a composite number with 8 divisors.