The number 38555
38555 is a composite number with 8 divisors. Its prime factorisation is 5 × 11 × 701. Divisors (8): 1, 5, 11, 55, 701, 3505, 7711, 38555.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
38555 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
38555 is composite. Its prime factorisation is
- 3
The divisors add up to 50544; without 38555 itself that is 11989, so 38555 is deficient (11989 is less than 38555). Euler's totient φ(38555) = 28000 numbers up to 38555 share no factor with it.
- 4
The digits of 38555 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 49 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38555 = 5 \times 11 \times 701 \]
38555 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 50544 |
| Euler totient φ(n) | 28000 |
| Square | 1486488025 |
| Cube | 57311545803875 |
| Square root | 196.354272 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 49 |
| Scientific notation | 3.8555 × |
38555 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand five hundred and fifty-five |
| Binary (base 2) | 1001011010011011 |
| Octal (base 8) | 113233 |
| Hexadecimal (base 16) | 969B |
| Base 3 | 1221212222 |
| As time | 38555 seconds = 10 h 42 min 35 s |
Is 38555 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 2) | 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 | Yes (38555 ÷ 5 = 7711) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (38555 ÷ 11 = 3505) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38555 a prime number?
No. 38555 = 5 × 11 × 701, so it is divisible by 5.
What are the factors of 38555?
1, 5, 11, 55, 701, 3505, 7711, 38555.
What is 38555 in binary?
1001011010011011 (hexadecimal 969B, octal 113233).
What is the square root of 38555?
About 196.3543.
Is 38555 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 38555?
It is a composite number with 8 divisors.