The number 97442
97442 is a composite number with 8 divisors. Its prime factorisation is 2 × 83 × 587. Divisors (8): 1, 2, 83, 166, 587, 1174, 48721, 97442.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
97442 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
97442 is composite. Its prime factorisation is
- 3
The divisors add up to 148176; without 97442 itself that is 50734, so 97442 is deficient (50734 is less than 97442). Euler's totient φ(97442) = 48052 numbers up to 97442 share no factor with it.
- 4
The digits of 97442 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 66 steps to reach 1.
LaTeX source of the formulas on this page
\[ 97442 = 2 \times 83 \times 587 \]
97442 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 148176 |
| Euler totient φ(n) | 48052 |
| Square | 9494943364 |
| Cube | 925206271274888 |
| Square root | 312.157012 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 66 |
| Scientific notation | 9.7442 × |
97442 in other forms
| Form | Value |
|---|---|
| In words | ninety-seven thousand four hundred and forty-two |
| Binary (base 2) | 10111110010100010 |
| Octal (base 8) | 276242 |
| Hexadecimal (base 16) | 17CA2 |
| Base 3 | 11221122222 |
| As time | 97442 seconds = 27 h 4 min 2 s |
Is 97442 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (97442 ÷ 2 = 48721) | 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 2) | 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 4) | 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 97442 a prime number?
No. 97442 = 2 × 83 × 587, so it is divisible by 2.
What are the factors of 97442?
1, 2, 83, 166, 587, 1174, 48721, 97442.
What is 97442 in binary?
10111110010100010 (hexadecimal 17CA2, octal 276242).
What is the square root of 97442?
About 312.1570.
Is 97442 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 97442?
It is a composite number with 8 divisors.