The number 55412
55412 is a composite number with 12 divisors. Its prime factorisation is × 7 × 1979. Divisors (12): 1, 2, 4, 7, 14, 28, 1979, 3958, 7916, 13853, 27706, 55412.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55412 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55412 is composite. Its prime factorisation is
- 3
The divisors add up to 110880; without 55412 itself that is 55468, so 55412 is abundant (55468 is more than 55412). Euler's totient φ(55412) = 23736 numbers up to 55412 share no factor with it.
- 4
The digits of 55412 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 109 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55412 = 2^{2} \times 7 \times 1979 \]55412 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 110880 |
| Euler totient φ(n) | 23736 |
| Square | 3070489744 |
| Cube | 170141977694528 |
| Square root | 235.397536 (= 2√13853) |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 109 |
| Scientific notation | 5.5412 × |
55412 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand four hundred and twelve |
| Binary (base 2) | 1101100001110100 |
| Octal (base 8) | 154164 |
| Hexadecimal (base 16) | D874 |
| Base 3 | 2211000022 |
| As time | 55412 seconds = 15 h 23 min 32 s |
Is 55412 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55412 ÷ 2 = 27706) | 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 | Yes (55412 ÷ 4 = 13853) | 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 | Yes (55412 ÷ 7 = 7916) | 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 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 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55412 a prime number?
No. 55412 = × 7 × 1979, so it is divisible by 2.
What are the factors of 55412?
1, 2, 4, 7, 14, 28, 1979, 3958, 7916, 13853, 27706, 55412.
What is 55412 in binary?
1101100001110100 (hexadecimal D874, octal 154164).
What is the square root of 55412?
About 235.3975, exactly 2√13853.
Is 55412 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 55412?
It is a composite number with 12 divisors.