The number 60990
60990 is a composite number with 32 divisors. Its prime factorisation is 2 × 3 × 5 × 19 × 107. Divisors (32): 1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 107, 114, 190, 214 … 60990.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
60990 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
60990 is composite. Its prime factorisation is
- 3
The divisors add up to 155520; without 60990 itself that is 94530, so 60990 is abundant (94530 is more than 60990). Euler's totient φ(60990) = 15264 numbers up to 60990 share no factor with it.
- 4
The digits of 60990 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 223 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60990 = 2 \times 3 \times 5 \times 19 \times 107 \]
60990 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 32 |
| Sum of divisors | 155520 |
| Euler totient φ(n) | 15264 |
| Square | 3719780100 |
| Cube | 226869388299000 |
| Square root | 246.961535 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 223 |
| Scientific notation | 6.099 × |
60990 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand nine hundred and ninety |
| Binary (base 2) | 1110111000111110 |
| Octal (base 8) | 167076 |
| Hexadecimal (base 16) | EE3E |
| Base 3 | 10002122220 |
| As time | 60990 seconds = 16 h 56 min 30 s |
Is 60990 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (60990 ÷ 2 = 30495) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (60990 ÷ 3 = 20330) | 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 (60990 ÷ 5 = 12198) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (60990 ÷ 6 = 10165) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 | Yes (60990 ÷ 10 = 6099) | 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 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 60990 a prime number?
No. 60990 = 2 × 3 × 5 × 19 × 107, so it is divisible by 2.
What are the factors of 60990?
1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 107, 114, 190, 214, 285, 321, 535, 570, 642, 1070, 1605, 2033, 3210, 4066, 6099, 10165, 12198, 20330, 30495, 60990.
What is 60990 in binary?
1110111000111110 (hexadecimal EE3E, octal 167076).
What is the square root of 60990?
About 246.9615.
Is 60990 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 60990?
It is a composite number with 32 divisors.