The number 38071
38071 is a composite number with 4 divisors. Its prime factorisation is 11 × 3461. Divisors (4): 1, 11, 3461, 38071.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 38071: a semiprime: 11 × 3461, the product of two primes.
- 2
38071 is composite. Its prime factorisation is
- 3
The divisors add up to 41544; without 38071 itself that is 3473, so 38071 is deficient (3473 is less than 38071). Euler's totient φ(38071) = 34600 numbers up to 38071 share no factor with it.
- 4
The digits of 38071 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 93 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38071 = 11 \times 3461 \]
38071 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 41544 |
| Euler totient φ(n) | 34600 |
| Square | 1449401041 |
| Cube | 55180147031911 |
| Square root | 195.117913 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 93 |
| Scientific notation | 3.8071 × |
38071 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand and seventy-one |
| Binary (base 2) | 1001010010110111 |
| Octal (base 8) | 112267 |
| Hexadecimal (base 16) | 94B7 |
| Base 3 | 1221020001 |
| As time | 38071 seconds = 10 h 34 min 31 s |
Is 38071 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 | No (remainder 5) | 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 7) | 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 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (38071 ÷ 11 = 3461) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38071 a prime number?
No. 38071 = 11 × 3461, so it is divisible by 11.
What are the factors of 38071?
1, 11, 3461, 38071.
What is 38071 in binary?
1001010010110111 (hexadecimal 94B7, octal 112267).
What is the square root of 38071?
About 195.1179.
Is 38071 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 38071?
38071 is a semiprime: 11 × 3461, the product of two primes.