The number 38342
38342 is a composite number with 8 divisors. Its prime factorisation is 2 × 19 × 1009. Divisors (8): 1, 2, 19, 38, 1009, 2018, 19171, 38342.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
38342 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
38342 is composite. Its prime factorisation is
- 3
The divisors add up to 60600; without 38342 itself that is 22258, so 38342 is deficient (22258 is less than 38342). Euler's totient φ(38342) = 18144 numbers up to 38342 share no factor with it.
- 4
The digits of 38342 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 124 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38342 = 2 \times 19 \times 1009 \]
38342 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 60600 |
| Euler totient φ(n) | 18144 |
| Square | 1470108964 |
| Cube | 56366917897688 |
| Square root | 195.811133 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 124 |
| Scientific notation | 3.8342 × |
38342 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand three hundred and forty-two |
| Binary (base 2) | 1001010111000110 |
| Octal (base 8) | 112706 |
| Hexadecimal (base 16) | 95C6 |
| Base 3 | 1221121002 |
| As time | 38342 seconds = 10 h 39 min 2 s |
Is 38342 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (38342 ÷ 2 = 19171) | 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 | No (remainder 3) | 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 2) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38342 a prime number?
No. 38342 = 2 × 19 × 1009, so it is divisible by 2.
What are the factors of 38342?
1, 2, 19, 38, 1009, 2018, 19171, 38342.
What is 38342 in binary?
1001010111000110 (hexadecimal 95C6, octal 112706).
What is the square root of 38342?
About 195.8111.
Is 38342 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 38342?
It is a composite number with 8 divisors.