The number 40074
40074 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 6679. Divisors (8): 1, 2, 3, 6, 6679, 13358, 20037, 40074.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40074 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40074 is composite. Its prime factorisation is
- 3
The divisors add up to 80160; without 40074 itself that is 40086, so 40074 is abundant (40086 is more than 40074). Euler's totient φ(40074) = 13356 numbers up to 40074 share no factor with it.
- 4
The digits of 40074 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 93 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40074 = 2 \times 3 \times 6679 \]
40074 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 80160 |
| Euler totient φ(n) | 13356 |
| Square | 1605925476 |
| Cube | 64355857525224 |
| Square root | 200.184915 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 93 |
| Scientific notation | 4.0074 × |
40074 in other forms
| Form | Value |
|---|---|
| In words | forty thousand and seventy-four |
| Binary (base 2) | 1001110010001010 |
| Octal (base 8) | 116212 |
| Hexadecimal (base 16) | 9C8A |
| Base 3 | 2000222020 |
| As time | 40074 seconds = 11 h 7 min 54 s |
Is 40074 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (40074 ÷ 2 = 20037) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (40074 ÷ 3 = 13358) | 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 | Yes (40074 ÷ 6 = 6679) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 6) | 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 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 40074 a prime number?
No. 40074 = 2 × 3 × 6679, so it is divisible by 2.
What are the factors of 40074?
1, 2, 3, 6, 6679, 13358, 20037, 40074.
What is 40074 in binary?
1001110010001010 (hexadecimal 9C8A, octal 116212).
What is the square root of 40074?
About 200.1849.
Is 40074 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 40074?
It is a composite number with 8 divisors.