The number 88042
88042 is a composite number with 4 divisors. Its prime factorisation is 2 × 44021. Divisors (4): 1, 2, 44021, 88042.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 88042: a semiprime: 2 × 44021, the product of two primes.
- 2
88042 is composite. Its prime factorisation is
- 3
The divisors add up to 132066; without 88042 itself that is 44024, so 88042 is deficient (44024 is less than 88042). Euler's totient φ(88042) = 44020 numbers up to 88042 share no factor with it.
- 4
The digits of 88042 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 177 steps to reach 1.
LaTeX source of the formulas on this page
\[ 88042 = 2 \times 44021 \]
88042 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 132066 |
| Euler totient φ(n) | 44020 |
| Square | 7751393764 |
| Cube | 682448209770088 |
| Square root | 296.718722 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 177 |
| Scientific notation | 8.8042 × |
88042 in other forms
| Form | Value |
|---|---|
| In words | eighty-eight thousand and forty-two |
| Binary (base 2) | 10101011111101010 |
| Octal (base 8) | 253752 |
| Hexadecimal (base 16) | 157EA |
| Base 3 | 11110202211 |
| As time | 88042 seconds = 24 h 27 min 22 s |
Is 88042 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (88042 ÷ 2 = 44021) | 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 2) | 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 | 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 4) | 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 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 88042 a prime number?
No. 88042 = 2 × 44021, so it is divisible by 2.
What are the factors of 88042?
1, 2, 44021, 88042.
What is 88042 in binary?
10101011111101010 (hexadecimal 157EA, octal 253752).
What is the square root of 88042?
About 296.7187.
Is 88042 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 88042?
88042 is a semiprime: 2 × 44021, the product of two primes.