The number 80502
80502 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 13417. Divisors (8): 1, 2, 3, 6, 13417, 26834, 40251, 80502.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
80502 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
80502 is composite. Its prime factorisation is
- 3
The divisors add up to 161016; without 80502 itself that is 80514, so 80502 is abundant (80514 is more than 80502). Euler's totient φ(80502) = 26832 numbers up to 80502 share no factor with it.
- 4
The digits of 80502 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 138 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80502 = 2 \times 3 \times 13417 \]
80502 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 161016 |
| Euler totient φ(n) | 26832 |
| Square | 6480572004 |
| Cube | 521699007466008 |
| Square root | 283.728744 |
| Digit sum / digital root | 15 / 6 |
| Collatz steps to 1 | 138 |
| Scientific notation | 8.0502 × |
80502 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand five hundred and two |
| Binary (base 2) | 10011101001110110 |
| Octal (base 8) | 235166 |
| Hexadecimal (base 16) | 13A76 |
| Base 3 | 11002102120 |
| As time | 80502 seconds = 22 h 21 min 42 s |
Is 80502 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (80502 ÷ 2 = 40251) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (80502 ÷ 3 = 26834) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (80502 ÷ 6 = 13417) | 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 6) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 80502 a prime number?
No. 80502 = 2 × 3 × 13417, so it is divisible by 2.
What are the factors of 80502?
1, 2, 3, 6, 13417, 26834, 40251, 80502.
What is 80502 in binary?
10011101001110110 (hexadecimal 13A76, octal 235166).
What is the square root of 80502?
About 283.7287.
Is 80502 divisible by 3?
Yes. Its digits add up to 15, a multiple of 3.
What is special about the number 80502?
It is a composite number with 8 divisors.