The number 10550
10550 is a composite number with 12 divisors. Its prime factorisation is 2 × × 211. Divisors (12): 1, 2, 5, 10, 25, 50, 211, 422, 1055, 2110, 5275, 10550.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
10550 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
10550 is composite. Its prime factorisation is
- 3
The divisors add up to 19716; without 10550 itself that is 9166, so 10550 is deficient (9166 is less than 10550). Euler's totient φ(10550) = 4200 numbers up to 10550 share no factor with it.
- 4
The digits of 10550 add up to 11, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 104 steps to reach 1.
LaTeX source of the formulas on this page
\[ 10550 = 2 \times 5^{2} \times 211 \]10550 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 19716 |
| Euler totient φ(n) | 4200 |
| Square | 111302500 |
| Cube | 1174241375000 |
| Square root | 102.713193 (= 5√422) |
| Digit sum / digital root | 11 / 2 |
| Collatz steps to 1 | 104 |
| Scientific notation | 1.055 × |
10550 in other forms
| Form | Value |
|---|---|
| In words | ten thousand five hundred and fifty |
| Binary (base 2) | 10100100110110 |
| Octal (base 8) | 24466 |
| Hexadecimal (base 16) | 2936 |
| Base 3 | 112110202 |
| As time | 10550 seconds = 2 h 55 min 50 s |
Is 10550 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (10550 ÷ 2 = 5275) | 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 (10550 ÷ 5 = 2110) | 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 1) | 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 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (10550 ÷ 10 = 1055) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | 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 10550 a prime number?
No. 10550 = 2 × × 211, so it is divisible by 2.
What are the factors of 10550?
1, 2, 5, 10, 25, 50, 211, 422, 1055, 2110, 5275, 10550.
What is 10550 in binary?
10100100110110 (hexadecimal 2936, octal 24466).
What is the square root of 10550?
About 102.7132, exactly 5√422.
Is 10550 divisible by 3?
No. Its digits add up to 11, which is not a multiple of 3.
What is special about the number 10550?
It is a composite number with 12 divisors.