The number 88438
88438 is a composite number with 8 divisors. Its prime factorisation is 2 × 7 × 6317. Divisors (8): 1, 2, 7, 14, 6317, 12634, 44219, 88438.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
88438 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
88438 is composite. Its prime factorisation is
- 3
The divisors add up to 151632; without 88438 itself that is 63194, so 88438 is deficient (63194 is less than 88438). Euler's totient φ(88438) = 37896 numbers up to 88438 share no factor with it.
- 4
The digits of 88438 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 102 steps to reach 1.
LaTeX source of the formulas on this page
\[ 88438 = 2 \times 7 \times 6317 \]
88438 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 151632 |
| Euler totient φ(n) | 37896 |
| Square | 7821279844 |
| Cube | 691698346843672 |
| Square root | 297.385272 |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 102 |
| Scientific notation | 8.8438 × |
88438 in other forms
| Form | Value |
|---|---|
| In words | eighty-eight thousand four hundred and thirty-eight |
| Binary (base 2) | 10101100101110110 |
| Octal (base 8) | 254566 |
| Hexadecimal (base 16) | 15976 |
| Base 3 | 11111022111 |
| As time | 88438 seconds = 24 h 33 min 58 s |
Is 88438 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (88438 ÷ 2 = 44219) | 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 2) | 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 | Yes (88438 ÷ 7 = 12634) | 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 4) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 88438 a prime number?
No. 88438 = 2 × 7 × 6317, so it is divisible by 2.
What are the factors of 88438?
1, 2, 7, 14, 6317, 12634, 44219, 88438.
What is 88438 in binary?
10101100101110110 (hexadecimal 15976, octal 254566).
What is the square root of 88438?
About 297.3853.
Is 88438 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 88438?
It is a composite number with 8 divisors.