The number 38188
38188 is a composite number with 6 divisors. Its prime factorisation is × 9547. Divisors (6): 1, 2, 4, 9547, 19094, 38188.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
38188 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
38188 is composite. Its prime factorisation is
- 3
The divisors add up to 66836; without 38188 itself that is 28648, so 38188 is deficient (28648 is less than 38188). Euler's totient φ(38188) = 19092 numbers up to 38188 share no factor with it.
- 4
The digits of 38188 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 106 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38188 = 2^{2} \times 9547 \]38188 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 66836 |
| Euler totient φ(n) | 19092 |
| Square | 1458323344 |
| Cube | 55690451860672 |
| Square root | 195.417502 (= 2√9547) |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 106 |
| Scientific notation | 3.8188 × |
38188 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand one hundred and eighty-eight |
| Binary (base 2) | 1001010100101100 |
| Octal (base 8) | 112454 |
| Hexadecimal (base 16) | 952C |
| Base 3 | 1221101101 |
| As time | 38188 seconds = 10 h 36 min 28 s |
Is 38188 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (38188 ÷ 2 = 19094) | 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 | Yes (38188 ÷ 4 = 9547) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | 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 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38188 a prime number?
No. 38188 = × 9547, so it is divisible by 2.
What are the factors of 38188?
1, 2, 4, 9547, 19094, 38188.
What is 38188 in binary?
1001010100101100 (hexadecimal 952C, octal 112454).
What is the square root of 38188?
About 195.4175, exactly 2√9547.
Is 38188 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 38188?
It is a composite number with 6 divisors.