The number 88442
88442 is a composite number with 4 divisors. Its prime factorisation is 2 × 44221. Divisors (4): 1, 2, 44221, 88442.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 88442: a semiprime: 2 × 44221, the product of two primes.
- 2
88442 is composite. Its prime factorisation is
- 3
The divisors add up to 132666; without 88442 itself that is 44224, so 88442 is deficient (44224 is less than 88442). Euler's totient φ(88442) = 44220 numbers up to 88442 share no factor with it.
- 4
The digits of 88442 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 102 steps to reach 1.
LaTeX source of the formulas on this page
\[ 88442 = 2 \times 44221 \]
88442 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 132666 |
| Euler totient φ(n) | 44220 |
| Square | 7821987364 |
| Cube | 691792206446888 |
| Square root | 297.391997 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 102 |
| Scientific notation | 8.8442 × |
88442 in other forms
| Form | Value |
|---|---|
| In words | eighty-eight thousand four hundred and forty-two |
| Binary (base 2) | 10101100101111010 |
| Octal (base 8) | 254572 |
| Hexadecimal (base 16) | 1597A |
| Base 3 | 11111022122 |
| As time | 88442 seconds = 24 h 34 min 2 s |
Is 88442 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (88442 ÷ 2 = 44221) | 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 | No (remainder 2) | 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 4) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | 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 88442 a prime number?
No. 88442 = 2 × 44221, so it is divisible by 2.
What are the factors of 88442?
1, 2, 44221, 88442.
What is 88442 in binary?
10101100101111010 (hexadecimal 1597A, octal 254572).
What is the square root of 88442?
About 297.3920.
Is 88442 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 88442?
88442 is a semiprime: 2 × 44221, the product of two primes.