The number 43738
43738 is a composite number with 8 divisors. Its prime factorisation is 2 × 19 × 1151. Divisors (8): 1, 2, 19, 38, 1151, 2302, 21869, 43738.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
43738 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
43738 is composite. Its prime factorisation is
- 3
The divisors add up to 69120; without 43738 itself that is 25382, so 43738 is deficient (25382 is less than 43738). Euler's totient φ(43738) = 20700 numbers up to 43738 share no factor with it.
- 4
The digits of 43738 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 119 steps to reach 1.
LaTeX source of the formulas on this page
\[ 43738 = 2 \times 19 \times 1151 \]
43738 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 69120 |
| Euler totient φ(n) | 20700 |
| Square | 1913012644 |
| Cube | 83671347023272 |
| Square root | 209.136319 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 119 |
| Scientific notation | 4.3738 × |
43738 in other forms
| Form | Value |
|---|---|
| In words | forty-three thousand seven hundred and thirty-eight |
| Binary (base 2) | 1010101011011010 |
| Octal (base 8) | 125332 |
| Hexadecimal (base 16) | AADA |
| Base 3 | 2012222221 |
| As time | 43738 seconds = 12 h 8 min 58 s |
Is 43738 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (43738 ÷ 2 = 21869) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | 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 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | 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 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 43738 a prime number?
No. 43738 = 2 × 19 × 1151, so it is divisible by 2.
What are the factors of 43738?
1, 2, 19, 38, 1151, 2302, 21869, 43738.
What is 43738 in binary?
1010101011011010 (hexadecimal AADA, octal 125332).
What is the square root of 43738?
About 209.1363.
Is 43738 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 43738?
It is a composite number with 8 divisors.