The number 87027
87027 is a composite number with 4 divisors. Its prime factorisation is 3 × 29009. Divisors (4): 1, 3, 29009, 87027.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 87027: a semiprime: 3 × 29009, the product of two primes.
- 2
87027 is composite. Its prime factorisation is
- 3
The divisors add up to 116040; without 87027 itself that is 29013, so 87027 is deficient (29013 is less than 87027). Euler's totient φ(87027) = 58016 numbers up to 87027 share no factor with it.
- 4
The digits of 87027 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 164 steps to reach 1.
LaTeX source of the formulas on this page
\[ 87027 = 3 \times 29009 \]
87027 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 116040 |
| Euler totient φ(n) | 58016 |
| Square | 7573698729 |
| Cube | 659116279288683 |
| Square root | 295.003390 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 164 |
| Scientific notation | 8.7027 × |
87027 in other forms
| Form | Value |
|---|---|
| In words | eighty-seven thousand and twenty-seven |
| Binary (base 2) | 10101001111110011 |
| Octal (base 8) | 251763 |
| Hexadecimal (base 16) | 153F3 |
| Base 3 | 11102101020 |
| As time | 87027 seconds = 24 h 10 min 27 s |
Is 87027 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 (87027 ÷ 3 = 29009) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 | No (remainder 3) | 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 3) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 87027 a prime number?
No. 87027 = 3 × 29009, so it is divisible by 3.
What are the factors of 87027?
1, 3, 29009, 87027.
What is 87027 in binary?
10101001111110011 (hexadecimal 153F3, octal 251763).
What is the square root of 87027?
About 295.0034.
Is 87027 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 87027?
87027 is a semiprime: 3 × 29009, the product of two primes.