The number 80313
80313 is a composite number with 8 divisors. Its prime factorisation is 3 × 19 × 1409. Divisors (8): 1, 3, 19, 57, 1409, 4227, 26771, 80313.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
80313 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
80313 is composite. Its prime factorisation is
- 3
The divisors add up to 112800; without 80313 itself that is 32487, so 80313 is deficient (32487 is less than 80313). Euler's totient φ(80313) = 50688 numbers up to 80313 share no factor with it.
- 4
The digits of 80313 add up to 15, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 68 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80313 = 3 \times 19 \times 1409 \]
80313 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 112800 |
| Euler totient φ(n) | 50688 |
| Square | 6450177969 |
| Cube | 518033143224297 |
| Square root | 283.395483 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 68 |
| Scientific notation | 8.0313 × |
80313 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand three hundred and thirteen |
| Binary (base 2) | 10011100110111001 |
| Octal (base 8) | 234671 |
| Hexadecimal (base 16) | 139B9 |
| Base 3 | 11002011120 |
| As time | 80313 seconds = 22 h 18 min 33 s |
Is 80313 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (80313 ÷ 3 = 26771) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 3) | 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 1) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 3) | 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 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 80313 a prime number?
No. 80313 = 3 × 19 × 1409, so it is divisible by 3.
What are the factors of 80313?
1, 3, 19, 57, 1409, 4227, 26771, 80313.
What is 80313 in binary?
10011100110111001 (hexadecimal 139B9, octal 234671).
What is the square root of 80313?
About 283.3955.
Is 80313 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 80313?
It is a composite number with 8 divisors.