The number 14420
14420 is a composite number with 24 divisors. Its prime factorisation is × 5 × 7 × 103. Divisors (24): 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515 … 14420.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
14420 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
14420 is composite. Its prime factorisation is
- 3
The divisors add up to 34944; without 14420 itself that is 20524, so 14420 is abundant (20524 is more than 14420). Euler's totient φ(14420) = 4896 numbers up to 14420 share no factor with it.
- 4
The digits of 14420 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 58 steps to reach 1.
LaTeX source of the formulas on this page
\[ 14420 = 2^{2} \times 5 \times 7 \times 103 \]14420 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 24 |
| Sum of divisors | 34944 |
| Euler totient φ(n) | 4896 |
| Square | 207936400 |
| Cube | 2998442888000 |
| Square root | 120.083304 (= 2√3605) |
| Digit sum / digital root | 11 / 2 |
| Collatz steps to 1 | 58 |
| Scientific notation | 1.442 × |
14420 in other forms
| Form | Value |
|---|---|
| In words | fourteen thousand four hundred and twenty |
| Binary (base 2) | 11100001010100 |
| Octal (base 8) | 34124 |
| Hexadecimal (base 16) | 3854 |
| Base 3 | 201210002 |
| As time | 14420 seconds = 4 h 0 min 20 s |
Is 14420 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (14420 ÷ 2 = 7210) | 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 | Yes (14420 ÷ 4 = 3605) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (14420 ÷ 5 = 2884) | 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 (14420 ÷ 7 = 2060) | 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 4) | 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 (14420 ÷ 10 = 1442) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 14420 a prime number?
No. 14420 = × 5 × 7 × 103, so it is divisible by 2.
What are the factors of 14420?
1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420.
What is 14420 in binary?
11100001010100 (hexadecimal 3854, octal 34124).
What is the square root of 14420?
About 120.0833, exactly 2√3605.
Is 14420 divisible by 3?
No. Its digits add up to 11, which is not a multiple of 3.
What is special about the number 14420?
It is a composite number with 24 divisors.