The number 59990
59990 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 7 × 857. Divisors (16): 1, 2, 5, 7, 10, 14, 35, 70, 857, 1714, 4285, 5999, 8570, 11998, 29995, 59990.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
59990 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
59990 is composite. Its prime factorisation is
- 3
The divisors add up to 123552; without 59990 itself that is 63562, so 59990 is abundant (63562 is more than 59990). Euler's totient φ(59990) = 20544 numbers up to 59990 share no factor with it.
- 4
The digits of 59990 add up to 32, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 59990 = 2 \times 5 \times 7 \times 857 \]
59990 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 123552 |
| Euler totient φ(n) | 20544 |
| Square | 3598800100 |
| Cube | 215892017999000 |
| Square root | 244.928561 |
| Digit sum / digital root | 32 / 5 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.999 × |
59990 in other forms
| Form | Value |
|---|---|
| In words | fifty-nine thousand nine hundred and ninety |
| Binary (base 2) | 1110101001010110 |
| Octal (base 8) | 165126 |
| Hexadecimal (base 16) | EA56 |
| Base 3 | 10001021212 |
| As time | 59990 seconds = 16 h 39 min 50 s |
Is 59990 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (59990 ÷ 2 = 29995) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (59990 ÷ 5 = 11998) | 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 | Yes (59990 ÷ 7 = 8570) | 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 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (59990 ÷ 10 = 5999) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 59990 a prime number?
No. 59990 = 2 × 5 × 7 × 857, so it is divisible by 2.
What are the factors of 59990?
1, 2, 5, 7, 10, 14, 35, 70, 857, 1714, 4285, 5999, 8570, 11998, 29995, 59990.
What is 59990 in binary?
1110101001010110 (hexadecimal EA56, octal 165126).
What is the square root of 59990?
About 244.9286.
Is 59990 divisible by 3?
No. Its digits add up to 32, which is not a multiple of 3.
What is special about the number 59990?
It is a composite number with 16 divisors.