The number 35438
35438 is a composite number with 16 divisors. Its prime factorisation is 2 × 13 × 29 × 47. Divisors (16): 1, 2, 13, 26, 29, 47, 58, 94, 377, 611, 754, 1222, 1363, 2726, 17719, 35438.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
35438 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
35438 is composite. Its prime factorisation is
- 3
The divisors add up to 60480; without 35438 itself that is 25042, so 35438 is deficient (25042 is less than 35438). Euler's totient φ(35438) = 15456 numbers up to 35438 share no factor with it.
- 4
The digits of 35438 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 80 steps to reach 1.
LaTeX source of the formulas on this page
\[ 35438 = 2 \times 13 \times 29 \times 47 \]
35438 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 60480 |
| Euler totient φ(n) | 15456 |
| Square | 1255851844 |
| Cube | 44504877647672 |
| Square root | 188.249834 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 80 |
| Scientific notation | 3.5438 × |
35438 in other forms
| Form | Value |
|---|---|
| In words | thirty-five thousand four hundred and thirty-eight |
| Binary (base 2) | 1000101001101110 |
| Octal (base 8) | 105156 |
| Hexadecimal (base 16) | 8A6E |
| Base 3 | 1210121112 |
| As time | 35438 seconds = 9 h 50 min 38 s |
Is 35438 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (35438 ÷ 2 = 17719) | 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 | 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 2) | 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 5) | 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 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 35438 a prime number?
No. 35438 = 2 × 13 × 29 × 47, so it is divisible by 2.
What are the factors of 35438?
1, 2, 13, 26, 29, 47, 58, 94, 377, 611, 754, 1222, 1363, 2726, 17719, 35438.
What is 35438 in binary?
1000101001101110 (hexadecimal 8A6E, octal 105156).
What is the square root of 35438?
About 188.2498.
Is 35438 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 35438?
It is a composite number with 16 divisors.