The number 38017
38017 is a composite number with 4 divisors. Its prime factorisation is 7 × 5431. Divisors (4): 1, 7, 5431, 38017.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 38017: a semiprime: 7 × 5431, the product of two primes.
- 2
38017 is composite. Its prime factorisation is
- 3
The divisors add up to 43456; without 38017 itself that is 5439, so 38017 is deficient (5439 is less than 38017). Euler's totient φ(38017) = 32580 numbers up to 38017 share no factor with it.
- 4
The digits of 38017 add up to 19, 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
\[ 38017 = 7 \times 5431 \]
38017 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 43456 |
| Euler totient φ(n) | 32580 |
| Square | 1445292289 |
| Cube | 54945676950913 |
| Square root | 194.979486 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 106 |
| Scientific notation | 3.8017 × |
38017 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand and seventeen |
| Binary (base 2) | 1001010010000001 |
| Octal (base 8) | 112201 |
| Hexadecimal (base 16) | 9481 |
| Base 3 | 1221011001 |
| As time | 38017 seconds = 10 h 33 min 37 s |
Is 38017 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 1) | 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (38017 ÷ 7 = 5431) | 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 1) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38017 a prime number?
No. 38017 = 7 × 5431, so it is divisible by 7.
What are the factors of 38017?
1, 7, 5431, 38017.
What is 38017 in binary?
1001010010000001 (hexadecimal 9481, octal 112201).
What is the square root of 38017?
About 194.9795.
Is 38017 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 38017?
38017 is a semiprime: 7 × 5431, the product of two primes.