The number 80412
80412 is a composite number with 12 divisors. Its prime factorisation is × 3 × 6701. Divisors (12): 1, 2, 3, 4, 6, 12, 6701, 13402, 20103, 26804, 40206, 80412.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
80412 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
80412 is composite. Its prime factorisation is
- 3
The divisors add up to 187656; without 80412 itself that is 107244, so 80412 is abundant (107244 is more than 80412). Euler's totient φ(80412) = 26800 numbers up to 80412 share no factor with it.
- 4
The digits of 80412 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 120 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80412 = 2^{2} \times 3 \times 6701 \]80412 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 187656 |
| Euler totient φ(n) | 26800 |
| Square | 6466089744 |
| Cube | 519951208494528 |
| Square root | 283.570097 (= 2√20103) |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 120 |
| Scientific notation | 8.0412 × |
80412 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand four hundred and twelve |
| Binary (base 2) | 10011101000011100 |
| Octal (base 8) | 235034 |
| Hexadecimal (base 16) | 13A1C |
| Base 3 | 11002022020 |
| As time | 80412 seconds = 22 h 20 min 12 s |
Is 80412 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (80412 ÷ 2 = 40206) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (80412 ÷ 3 = 26804) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | Yes (80412 ÷ 4 = 20103) | 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 | Yes (80412 ÷ 6 = 13402) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 | No (remainder 6) | 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 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | Yes (80412 ÷ 12 = 6701) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 80412 a prime number?
No. 80412 = × 3 × 6701, so it is divisible by 2.
What are the factors of 80412?
1, 2, 3, 4, 6, 12, 6701, 13402, 20103, 26804, 40206, 80412.
What is 80412 in binary?
10011101000011100 (hexadecimal 13A1C, octal 235034).
What is the square root of 80412?
About 283.5701, exactly 2√20103.
Is 80412 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 80412?
It is a composite number with 12 divisors.