The number 43446
43446 is a composite number with 16 divisors. Its prime factorisation is 2 × 3 × 13 × 557. Divisors (16): 1, 2, 3, 6, 13, 26, 39, 78, 557, 1114, 1671, 3342, 7241, 14482, 21723, 43446.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
43446 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
43446 is composite. Its prime factorisation is
- 3
The divisors add up to 93744; without 43446 itself that is 50298, so 43446 is abundant (50298 is more than 43446). Euler's totient φ(43446) = 13344 numbers up to 43446 share no factor with it.
- 4
The digits of 43446 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 44 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43446 = 2 \times 3 \times 13 \times 557 \]
43446 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 93744 |
| Euler totient φ(n) | 13344 |
| Square | 1887554916 |
| Cube | 82006710880536 |
| Square root | 208.437041 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 44 |
| Scientific notation | 4.3446 × |
43446 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand four hundred and forty-six |
| Binary (base 2) | 1010100110110110 |
| Octal (base 8) | 124666 |
| Hexadecimal (base 16) | A9B6 |
| Base 3 | 2012121010 |
| As time | 43446 seconds = 12 h 4 min 6 s |
Is 43446 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (43446 ÷ 2 = 21723) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (43446 ÷ 3 = 14482) | 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 1) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (43446 ÷ 6 = 7241) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | 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 43446 a prime number?
No. 43446 = 2 × 3 × 13 × 557, so it is divisible by 2.
What are the factors of 43446?
1, 2, 3, 6, 13, 26, 39, 78, 557, 1114, 1671, 3342, 7241, 14482, 21723, 43446.
What is 43446 in binary?
1010100110110110 (hexadecimal A9B6, octal 124666).
What is the square root of 43446?
About 208.4370.
Is 43446 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 43446?
It is a composite number with 16 divisors.