The number 38450
38450 is a composite number with 12 divisors. Its prime factorisation is 2 × × 769. Divisors (12): 1, 2, 5, 10, 25, 50, 769, 1538, 3845, 7690, 19225, 38450.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
38450 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
38450 is composite. Its prime factorisation is
- 3
The divisors add up to 71610; without 38450 itself that is 33160, so 38450 is deficient (33160 is less than 38450). Euler's totient φ(38450) = 15360 numbers up to 38450 share no factor with it.
- 4
The digits of 38450 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 75 steps to reach 1.
LaTeX source of the formulas on this page
\[ 38450 = 2 \times 5^{2} \times 769 \]38450 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 71610 |
| Euler totient φ(n) | 15360 |
| Square | 1478402500 |
| Cube | 56844576125000 |
| Square root | 196.086716 (= 5√1538) |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 75 |
| Scientific notation | 3.845 × |
38450 in other forms
| Form | Value |
|---|---|
| In words | thirty-eight thousand four hundred and fifty |
| Binary (base 2) | 1001011000110010 |
| Octal (base 8) | 113062 |
| Hexadecimal (base 16) | 9632 |
| Base 3 | 1221202002 |
| As time | 38450 seconds = 10 h 40 min 50 s |
Is 38450 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (38450 ÷ 2 = 19225) | 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 | Yes (38450 ÷ 5 = 7690) | 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 6) | 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 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (38450 ÷ 10 = 3845) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 38450 a prime number?
No. 38450 = 2 × × 769, so it is divisible by 2.
What are the factors of 38450?
1, 2, 5, 10, 25, 50, 769, 1538, 3845, 7690, 19225, 38450.
What is 38450 in binary?
1001011000110010 (hexadecimal 9632, octal 113062).
What is the square root of 38450?
About 196.0867, exactly 5√1538.
Is 38450 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 38450?
It is a composite number with 12 divisors.