The number 94742
94742 is a composite number with 8 divisors. Its prime factorisation is 2 × 127 × 373. Divisors (8): 1, 2, 127, 254, 373, 746, 47371, 94742.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
94742 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
94742 is composite. Its prime factorisation is
- 3
The divisors add up to 143616; without 94742 itself that is 48874, so 94742 is deficient (48874 is less than 94742). Euler's totient φ(94742) = 46872 numbers up to 94742 share no factor with it.
- 4
The digits of 94742 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
\[ 94742 = 2 \times 127 \times 373 \]
94742 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 143616 |
| Euler totient φ(n) | 46872 |
| Square | 8976046564 |
| Cube | 850408603566488 |
| Square root | 307.801884 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 102 |
| Scientific notation | 9.4742 × |
94742 in other forms
| Form | Value |
|---|---|
| In words | ninety-four thousand seven hundred and forty-two |
| Binary (base 2) | 10111001000010110 |
| Octal (base 8) | 271026 |
| Hexadecimal (base 16) | 17216 |
| Base 3 | 11210221222 |
| As time | 94742 seconds = 26 h 19 min 2 s |
Is 94742 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (94742 ÷ 2 = 47371) | 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 6) | 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 10) | 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 94742 a prime number?
No. 94742 = 2 × 127 × 373, so it is divisible by 2.
What are the factors of 94742?
1, 2, 127, 254, 373, 746, 47371, 94742.
What is 94742 in binary?
10111001000010110 (hexadecimal 17216, octal 271026).
What is the square root of 94742?
About 307.8019.
Is 94742 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 94742?
It is a composite number with 8 divisors.