The number 80189
80189 is a composite number with 8 divisors. Its prime factorisation is 17 × 53 × 89. Divisors (8): 1, 17, 53, 89, 901, 1513, 4717, 80189.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
80189 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
80189 is composite. Its prime factorisation is
- 3
The divisors add up to 87480; without 80189 itself that is 7291, so 80189 is deficient (7291 is less than 80189). Euler's totient φ(80189) = 73216 numbers up to 80189 share no factor with it.
- 4
The digits of 80189 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 68 steps to reach 1.
LaTeX source of the formulas on this page
\[ 80189 = 17 \times 53 \times 89 \]
80189 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 87480 |
| Euler totient φ(n) | 73216 |
| Square | 6430275721 |
| Cube | 515637379791269 |
| Square root | 283.176623 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 68 |
| Scientific notation | 8.0189 × |
80189 in other forms
| Form | Value |
|---|---|
| In words | eighty thousand one hundred and eighty-nine |
| Binary (base 2) | 10011100100111101 |
| Octal (base 8) | 234475 |
| Hexadecimal (base 16) | 1393D |
| Base 3 | 11001222222 |
| As time | 80189 seconds = 22 h 16 min 29 s |
Is 80189 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 | No (remainder 2) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 80189 a prime number?
No. 80189 = 17 × 53 × 89, so it is divisible by 17.
What are the factors of 80189?
1, 17, 53, 89, 901, 1513, 4717, 80189.
What is 80189 in binary?
10011100100111101 (hexadecimal 1393D, octal 234475).
What is the square root of 80189?
About 283.1766.
Is 80189 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 80189?
It is a composite number with 8 divisors.