21271824 (number)
21271824 is an even 8-digits composite number following 21271823 and preceding 21271825. In scientific notation, it is written as 2.1271824 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 5935104 positive integers (up to 21271824) that are relatively prime to 21271824.
Interesting facts
- 21271824 has 80 divisors, whose sum is 53568000
- The reverse of 21271824 is 42817212
- Previous prime number is 47
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
| Name | twenty-one million two hundred seventy-one thousand eight hundred twenty-four |
|---|
Notation
| Scientific notation | 2.1271824 × 10^7 |
|---|---|
| Engineering notation | 2.1271824 × 10^6 |
Prime Factorization of 21271824
Prime Factorization 2 × 2 × 2 × 2 × 9 × 7 × 47 × 449
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 2658978 | Product of the distinct prime numbers |
The prime factorization of 21271824 is 2 × 2 × 2 × 2 × 9 × 7 × 47 × 449. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21271824)
Multiplication
n×y| n×2 | 42543648 |
|---|---|
| n×3 | 63815472 |
| n×4 | 85087296 |
| n×5 | 106359120 |
Division
n÷y| n÷2 | 10635912 |
|---|---|
| n÷3 | 7090608 |
| n÷3 | 5317956 |
| n÷5 | 4254364.8 |
Exponentiation
ny| n2 | 452490496286976 |
|---|---|
| n3 | 9.6252981986892E+21 |
| n4 | 2.0474764923003E+29 |
| n5 | 4.355355958835E+36 |
Nth Root
y√n| 2√n | 4612.1387663426 |
|---|---|
| 3√n | 277.07770196531 |
| 4√n | 67.912729045022 |
| 5√n | 29.211976743134 |
Divisors of 21271824
80 divisors
| τ | Total Divisors | 80 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -21271823 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.0125 | Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
| G | Geometric Mean | 1 | Returns the nth root of the product of n divisors |
| H | Harmonic Mean | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21271824 can be divided by 80 positive divisors. The sum of these divisors (counting 21271824) is 1, the average is 0.0125.
Base conversion 21271824
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010001001001010100010000 |
| 3 | Ternary | 1111000201110100 |
| 4 | Quaternary | 1101021110100 |
| 5 | Quinary | 20421144244 |
| 6 | Senary | 2035532400 |
| 8 | Octal | 121112420 |
| 10 | Decimal | 21271824 |
| 12 | Duodecimal | 715a100 |
| 16 | Hexadecimal | 1449510 |
| 20 | Vigesimal | 6cijb4 |
| 36 | Base36 | cnxg0 |
Cryptographic Hash Functions
| md5 | f3fc47f07ffb697de9a9923af2f9d721 |
|---|---|
| sha1 | e51332d557574eb01a841370fb24416e5d4fd1fa |
| sha256 | 07aa4dd9c07648a41a964cc895c2da176104a68a11b555e9b0789c8e5ed7d689 |
| sha512 | d9b5362183dd63e0cfb3c525a70d3d8189f403c7a2c788a6d687162cf7576fa744cd9e90ff7e35204aa48c46f8402dffba65a9bb26402b2e940f54ece8a3e225 |
| ripemd-160 | 8f419a5bd8418458caae8a55e63427da50d74e71 |
21271824 as geometric shapes
Circle
Radius = n| Diameter | 42543648 |
|---|---|
| Circumference | 133654812.01371 |
| Area | 1.4215408189544E+15 |
Sphere
Radius = n| Volume | 4.0318354812817E+22 |
|---|---|
| Surface area | 5.6861632758175E+15 |
| Circumference | 133654812.01371 |
Square
Length = n| Perimeter | 85087296 |
|---|---|
| Area | 452490496286976 |
| Diagonal | 30082901.997214 |
Cube
Length = n| Surface area | 2714942977721856 |
|---|---|
| Volume | 9.6252981986892E+21 |
| Space diagonal | 36843879.937663 |
Equilateral Triangle
Length = n| Perimeter | 63815472 |
|---|---|
| Area | 1.9593413237777E+14 |
| Altitude | 18421939.968832 |
Triangular Pyramid
Length = n| Surface area | 1.9593413237777E+14 |
|---|---|
| Volume | 1.134352271206E+21 |
| Height | 10027633.999071 |