The number 40130
40130 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 4013. Divisors (8): 1, 2, 5, 10, 4013, 8026, 20065, 40130.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40130 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40130 is composite. Its prime factorisation is
- 3
The divisors add up to 72252; without 40130 itself that is 32122, so 40130 is deficient (32122 is less than 40130). Euler's totient φ(40130) = 16048 numbers up to 40130 share no factor with it.
- 4
The digits of 40130 add up to 8, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 93 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40130 = 2 \times 5 \times 4013 \]
40130 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 72252 |
| Euler totient φ(n) | 16048 |
| Square | 1610416900 |
| Cube | 64626030197000 |
| Square root | 200.324736 |
| Digit sum / digital root | 8 / 8 |
| Collatz steps to 1 | 93 |
| Scientific notation | 4.013 × |
40130 in other forms
| Form | Value |
|---|---|
| In words | forty thousand one hundred and thirty |
| Binary (base 2) | 1001110011000010 |
| Octal (base 8) | 116302 |
| Hexadecimal (base 16) | 9CC2 |
| Base 3 | 2001001022 |
| As time | 40130 seconds = 11 h 8 min 50 s |
Is 40130 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (40130 ÷ 2 = 20065) | 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 (40130 ÷ 5 = 8026) | 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 | 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 2) | 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 | Yes (40130 ÷ 10 = 4013) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | 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 40130 a prime number?
No. 40130 = 2 × 5 × 4013, so it is divisible by 2.
What are the factors of 40130?
1, 2, 5, 10, 4013, 8026, 20065, 40130.
What is 40130 in binary?
1001110011000010 (hexadecimal 9CC2, octal 116302).
What is the square root of 40130?
About 200.3247.
Is 40130 divisible by 3?
No. Its digits add up to 8, which is not a multiple of 3.
What is special about the number 40130?
It is a composite number with 8 divisors.