The number 94428
94428 is a composite number with 36 divisors. Its prime factorisation is × × 43 × 61. Divisors (36): 1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 61, 86, 122, 129, 172, 183 … 94428.
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How to work it out
- 1
94428 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
94428 is composite. Its prime factorisation is
- 3
The divisors add up to 248248; without 94428 itself that is 153820, so 94428 is abundant (153820 is more than 94428). Euler's totient φ(94428) = 30240 numbers up to 94428 share no factor with it.
- 4
The digits of 94428 add up to 27, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 84 steps to reach 1.
LaTeX source of the formulas on this page
\[ 94428 = 2^{2} \times 3^{2} \times 43 \times 61 \]94428 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 36 |
| Sum of divisors | 248248 |
| Euler totient φ(n) | 30240 |
| Square | 8916647184 |
| Cube | 841981160290752 |
| Square root | 307.291393 (= 6√2623) |
| Digit sum / digital root | 27 / 9 |
| Collatz steps to 1 | 84 |
| Scientific notation | 9.4428 × |
94428 in other forms
| Form | Value |
|---|---|
| In words | ninety-four thousand four hundred and twenty-eight |
| Binary (base 2) | 10111000011011100 |
| Octal (base 8) | 270334 |
| Hexadecimal (base 16) | 170DC |
| Base 3 | 11210112100 |
| As time | 94428 seconds = 26 h 13 min 48 s |
Is 94428 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (94428 ÷ 2 = 47214) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (94428 ÷ 3 = 31476) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | Yes (94428 ÷ 4 = 23607) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (94428 ÷ 6 = 15738) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | Yes (94428 ÷ 9 = 10492) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | 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 | Yes (94428 ÷ 12 = 7869) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 94428 a prime number?
No. 94428 = × × 43 × 61, so it is divisible by 2.
What are the factors of 94428?
1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 387, 516, 549, 732, 774, 1098, 1548, 2196, 2623, 5246, 7869, 10492, 15738, 23607, 31476, 47214, 94428.
What is 94428 in binary?
10111000011011100 (hexadecimal 170DC, octal 270334).
What is the square root of 94428?
About 307.2914, exactly 6√2623.
Is 94428 divisible by 3?
Yes. Its digits add up to 27, a multiple of 3.
What is special about the number 94428?
It is a composite number with 36 divisors.