The number 88749
88749 is a composite number with 16 divisors. Its prime factorisation is × 19 × 173. Divisors (16): 1, 3, 9, 19, 27, 57, 171, 173, 513, 519, 1557, 3287, 4671, 9861, 29583, 88749.
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How to work it out
- 1
88749 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
88749 is composite. Its prime factorisation is
- 3
The divisors add up to 139200; without 88749 itself that is 50451, so 88749 is deficient (50451 is less than 88749). Euler's totient φ(88749) = 55728 numbers up to 88749 share no factor with it.
- 4
The digits of 88749 add up to 36, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 58 steps to reach 1.
LaTeX source of the formulas on this page
\[ 88749 = 3^{3} \times 19 \times 173 \]88749 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 139200 |
| Euler totient φ(n) | 55728 |
| Square | 7876385001 |
| Cube | 699021292453749 |
| Square root | 297.907704 (= 3√9861) |
| Digit sum / digital root | 36 / 9 |
| Collatz steps to 1 | 58 |
| Scientific notation | 8.8749 × |
88749 in other forms
| Form | Value |
|---|---|
| In words | eighty-eight thousand seven hundred and forty-nine |
| Binary (base 2) | 10101101010101101 |
| Octal (base 8) | 255255 |
| Hexadecimal (base 16) | 15AAD |
| Base 3 | 11111202000 |
| As time | 88749 seconds = 24 h 39 min 9 s |
Is 88749 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 | Yes (88749 ÷ 3 = 29583) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (88749 ÷ 9 = 9861) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 88749 a prime number?
No. 88749 = × 19 × 173, so it is divisible by 3.
What are the factors of 88749?
1, 3, 9, 19, 27, 57, 171, 173, 513, 519, 1557, 3287, 4671, 9861, 29583, 88749.
What is 88749 in binary?
10101101010101101 (hexadecimal 15AAD, octal 255255).
What is the square root of 88749?
About 297.9077, exactly 3√9861.
Is 88749 divisible by 3?
Yes. Its digits add up to 36, a multiple of 3.
What is special about the number 88749?
It is a composite number with 16 divisors.