The number 47036
47036 is a composite number with 12 divisors. Its prime factorisation is × 11 × 1069. Divisors (12): 1, 2, 4, 11, 22, 44, 1069, 2138, 4276, 11759, 23518, 47036.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
47036 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
47036 is composite. Its prime factorisation is
- 3
The divisors add up to 89880; without 47036 itself that is 42844, so 47036 is deficient (42844 is less than 47036). Euler's totient φ(47036) = 21360 numbers up to 47036 share no factor with it.
- 4
The digits of 47036 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 83 steps to reach 1.
LaTeX source of the formulas on this page
\[ 47036 = 2^{2} \times 11 \times 1069 \]47036 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 89880 |
| Euler totient φ(n) | 21360 |
| Square | 2212385296 |
| Cube | 104061754782656 |
| Square root | 216.877846 (= 2√11759) |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 83 |
| Scientific notation | 4.7036 × |
47036 in other forms
| Form | Value |
|---|---|
| In words | forty-seven thousand and thirty-six |
| Binary (base 2) | 1011011110111100 |
| Octal (base 8) | 133674 |
| Hexadecimal (base 16) | B7BC |
| Base 3 | 2101112002 |
| As time | 47036 seconds = 13 h 3 min 56 s |
Is 47036 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (47036 ÷ 2 = 23518) | 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 | Yes (47036 ÷ 4 = 11759) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 3) | 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 4) | 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 | No (remainder 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | Yes (47036 ÷ 11 = 4276) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 47036 a prime number?
No. 47036 = × 11 × 1069, so it is divisible by 2.
What are the factors of 47036?
1, 2, 4, 11, 22, 44, 1069, 2138, 4276, 11759, 23518, 47036.
What is 47036 in binary?
1011011110111100 (hexadecimal B7BC, octal 133674).
What is the square root of 47036?
About 216.8778, exactly 2√11759.
Is 47036 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 47036?
It is a composite number with 12 divisors.