The number 43449
43449 is a composite number with 8 divisors. Its prime factorisation is 3 × 7 × 2069. Divisors (8): 1, 3, 7, 21, 2069, 6207, 14483, 43449.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
43449 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
43449 is composite. Its prime factorisation is
- 3
The divisors add up to 66240; without 43449 itself that is 22791, so 43449 is deficient (22791 is less than 43449). Euler's totient φ(43449) = 24816 numbers up to 43449 share no factor with it.
- 4
The digits of 43449 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 163 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43449 = 3 \times 7 \times 2069 \]
43449 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 66240 |
| Euler totient φ(n) | 24816 |
| Square | 1887815601 |
| Cube | 82023700047849 |
| Square root | 208.444237 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 163 |
| Scientific notation | 4.3449 × |
43449 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand four hundred and forty-nine |
| Binary (base 2) | 1010100110111001 |
| Octal (base 8) | 124671 |
| Hexadecimal (base 16) | A9B9 |
| Base 3 | 2012121020 |
| As time | 43449 seconds = 12 h 4 min 9 s |
Is 43449 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (43449 ÷ 3 = 14483) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (43449 ÷ 7 = 6207) | 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 1) | 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 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 43449 a prime number?
No. 43449 = 3 × 7 × 2069, so it is divisible by 3.
What are the factors of 43449?
1, 3, 7, 21, 2069, 6207, 14483, 43449.
What is 43449 in binary?
1010100110111001 (hexadecimal A9B9, octal 124671).
What is the square root of 43449?
About 208.4442.
Is 43449 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 43449?
It is a composite number with 8 divisors.