The number 88490
88490 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 8849. Divisors (8): 1, 2, 5, 10, 8849, 17698, 44245, 88490.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
88490 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
88490 is composite. Its prime factorisation is
- 3
The divisors add up to 159300; without 88490 itself that is 70810, so 88490 is deficient (70810 is less than 88490). Euler's totient φ(88490) = 35392 numbers up to 88490 share no factor with it.
- 4
The digits of 88490 add up to 29, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 133 steps to reach 1.
LaTeX source of the formulas on this page
\[ 88490 = 2 \times 5 \times 8849 \]
88490 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 159300 |
| Euler totient φ(n) | 35392 |
| Square | 7830480100 |
| Cube | 692919184049000 |
| Square root | 297.472688 |
| Digit sum / digital root | 29 / 2 |
| Collatz steps to 1 | 133 |
| Scientific notation | 8.849 × |
88490 in other forms
| Form | Value |
|---|---|
| In words | eighty-eight thousand four hundred and ninety |
| Binary (base 2) | 10101100110101010 |
| Octal (base 8) | 254652 |
| Hexadecimal (base 16) | 159AA |
| Base 3 | 11111101102 |
| As time | 88490 seconds = 24 h 34 min 50 s |
Is 88490 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (88490 ÷ 2 = 44245) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (88490 ÷ 5 = 17698) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (88490 ÷ 10 = 8849) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 88490 a prime number?
No. 88490 = 2 × 5 × 8849, so it is divisible by 2.
What are the factors of 88490?
1, 2, 5, 10, 8849, 17698, 44245, 88490.
What is 88490 in binary?
10101100110101010 (hexadecimal 159AA, octal 254652).
What is the square root of 88490?
About 297.4727.
Is 88490 divisible by 3?
No. Its digits add up to 29, which is not a multiple of 3.
What is special about the number 88490?
It is a composite number with 8 divisors.