The number 74494
74494 is a composite number with 16 divisors. Its prime factorisation is 2 × 7 × 17 × 313. Divisors (16): 1, 2, 7, 14, 17, 34, 119, 238, 313, 626, 2191, 4382, 5321, 10642, 37247, 74494.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
74494 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
74494 is composite. Its prime factorisation is
- 3
The divisors add up to 135648; without 74494 itself that is 61154, so 74494 is deficient (61154 is less than 74494). Euler's totient φ(74494) = 29952 numbers up to 74494 share no factor with it.
- 4
The digits of 74494 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 94 steps to reach 1.
LaTeX source of the formulas on this page
\[ 74494 = 2 \times 7 \times 17 \times 313 \]
74494 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 135648 |
| Euler totient φ(n) | 29952 |
| Square | 5549356036 |
| Cube | 413393728545784 |
| Square root | 272.935890 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 94 |
| Scientific notation | 7.4494 × |
74494 in other forms
| Form | Value |
|---|---|
| In words | seventy-four thousand four hundred and ninety-four |
| Binary (base 2) | 10010001011111110 |
| Octal (base 8) | 221376 |
| Hexadecimal (base 16) | 122FE |
| Base 3 | 10210012001 |
| As time | 74494 seconds = 20 h 41 min 34 s |
Is 74494 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (74494 ÷ 2 = 37247) | 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 4) | 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 | Yes (74494 ÷ 7 = 10642) | 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 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 74494 a prime number?
No. 74494 = 2 × 7 × 17 × 313, so it is divisible by 2.
What are the factors of 74494?
1, 2, 7, 14, 17, 34, 119, 238, 313, 626, 2191, 4382, 5321, 10642, 37247, 74494.
What is 74494 in binary?
10010001011111110 (hexadecimal 122FE, octal 221376).
What is the square root of 74494?
About 272.9359.
Is 74494 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 74494?
It is a composite number with 16 divisors.