The number 52990
52990 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 7 × 757. Divisors (16): 1, 2, 5, 7, 10, 14, 35, 70, 757, 1514, 3785, 5299, 7570, 10598, 26495, 52990.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
52990 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
52990 is composite. Its prime factorisation is
- 3
The divisors add up to 109152; without 52990 itself that is 56162, so 52990 is abundant (56162 is more than 52990). Euler's totient φ(52990) = 18144 numbers up to 52990 share no factor with it.
- 4
The digits of 52990 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 122 steps to reach 1.
LaTeX source of the formulas on this page
\[ 52990 = 2 \times 5 \times 7 \times 757 \]
52990 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 109152 |
| Euler totient φ(n) | 18144 |
| Square | 2807940100 |
| Cube | 148792745899000 |
| Square root | 230.195569 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 122 |
| Scientific notation | 5.299 × |
52990 in other forms
| Form | Value |
|---|---|
| In words | fifty-two thousand nine hundred and ninety |
| Binary (base 2) | 1100111011111110 |
| Octal (base 8) | 147376 |
| Hexadecimal (base 16) | CEFE |
| Base 3 | 2200200121 |
| As time | 52990 seconds = 14 h 43 min 10 s |
Is 52990 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (52990 ÷ 2 = 26495) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | 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 (52990 ÷ 5 = 10598) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (52990 ÷ 7 = 7570) | 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 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (52990 ÷ 10 = 5299) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 52990 a prime number?
No. 52990 = 2 × 5 × 7 × 757, so it is divisible by 2.
What are the factors of 52990?
1, 2, 5, 7, 10, 14, 35, 70, 757, 1514, 3785, 5299, 7570, 10598, 26495, 52990.
What is 52990 in binary?
1100111011111110 (hexadecimal CEFE, octal 147376).
What is the square root of 52990?
About 230.1956.
Is 52990 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 52990?
It is a composite number with 16 divisors.