The number 40250
40250 is a composite number with 32 divisors. Its prime factorisation is 2 × × 7 × 23. Divisors (32): 1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 125, 161, 175 … 40250.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
40250 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
40250 is composite. Its prime factorisation is
- 3
The divisors add up to 89856; without 40250 itself that is 49606, so 40250 is abundant (49606 is more than 40250). Euler's totient φ(40250) = 13200 numbers up to 40250 share no factor with it.
- 4
The digits of 40250 add up to 11, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 119 steps to reach 1.
LaTeX source of the formulas on this page
\[ 40250 = 2 \times 5^{3} \times 7 \times 23 \]40250 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 32 |
| Sum of divisors | 89856 |
| Euler totient φ(n) | 13200 |
| Square | 1620062500 |
| Cube | 65207515625000 |
| Square root | 200.624026 (= 5√1610) |
| Digit sum / digital root | 11 / 2 |
| Collatz steps to 1 | 119 |
| Scientific notation | 4.025 × |
40250 in other forms
| Form | Value |
|---|---|
| In words | forty thousand two hundred and fifty |
| Binary (base 2) | 1001110100111010 |
| Octal (base 8) | 116472 |
| Hexadecimal (base 16) | 9D3A |
| Base 3 | 2001012202 |
| As time | 40250 seconds = 11 h 10 min 50 s |
Is 40250 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (40250 ÷ 2 = 20125) | 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 (40250 ÷ 5 = 8050) | 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 (40250 ÷ 7 = 5750) | 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 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (40250 ÷ 10 = 4025) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | 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 40250 a prime number?
No. 40250 = 2 × × 7 × 23, so it is divisible by 2.
What are the factors of 40250?
1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 125, 161, 175, 230, 250, 322, 350, 575, 805, 875, 1150, 1610, 1750, 2875, 4025, 5750, 8050, 20125, 40250.
What is 40250 in binary?
1001110100111010 (hexadecimal 9D3A, octal 116472).
What is the square root of 40250?
About 200.6240, exactly 5√1610.
Is 40250 divisible by 3?
No. Its digits add up to 11, which is not a multiple of 3.
What is special about the number 40250?
It is a composite number with 32 divisors.