21000864 (number)
21000864 is an even 8-digits composite number following 21000863 and preceding 21000865. In scientific notation, it is written as 2.1000864 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 48 positive divisors. There are 6966528 positive integers (up to 21000864) that are relatively prime to 21000864.
Interesting facts
- 21000864 has 48 divisors, whose sum is 55393632
- The reverse of 21000864 is 46800012
- Previous prime number is 283
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | twenty-one million eight hundred sixty-four |
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Notation
Scientific notation | 2.1000864 × 10^7 |
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Engineering notation | 2.1000864 × 10^6 |
Prime Factorization of 21000864
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 283 × 773
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 1312554 | Product of the distinct prime numbers |
The prime factorization of 21000864 is 2 × 2 × 2 × 2 × 2 × 3 × 283 × 773. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21000864)
Multiplication
n×yn×2 | 42001728 |
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n×3 | 63002592 |
n×4 | 84003456 |
n×5 | 105004320 |
Division
n÷yn÷2 | 10500432 |
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n÷3 | 7000288 |
n÷3 | 5250216 |
n÷5 | 4200172.8 |
Exponentiation
nyn2 | 441036288746496 |
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n3 | 9.2621431190299E+21 |
n4 | 1.9451300799128E+29 |
n5 | 4.0849412270558E+36 |
Nth Root
y√n2√n | 4582.6699641148 |
---|---|
3√n | 275.89620125366 |
4√n | 67.695420554974 |
5√n | 29.137174337164 |
Divisors of 21000864
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21000863 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21000864 can be divided by 48 positive divisors. The sum of these divisors (counting 21000864) is 1, the average is 0.020833333333333.
Base conversion 21000864
Base | System | Value |
---|---|---|
2 | Binary | 1010000000111001010100000 |
3 | Ternary | 1110111221202210 |
4 | Quaternary | 1100013022200 |
5 | Quinary | 20334011424 |
6 | Senary | 2030042120 |
8 | Octal | 120071240 |
10 | Decimal | 21000864 |
12 | Duodecimal | 7049340 |
16 | Hexadecimal | 14072a0 |
20 | Vigesimal | 6b5234 |
36 | Base36 | ci4dc |
Cryptographic Hash Functions
md5 | 2a9c988e7508307a23fcdfcf4c1c321d |
---|---|
sha1 | ac5a73d635f9d01b12794f4019b89c97efd573d9 |
sha256 | 706c1f3302d8a867eab17e4950f34ccfe0a060dd27f4ed41349e930ee976b1ce |
sha512 | 5be0ba6bd329e36f882ab29ec965d95de05e430cd5ffa81f69a1c0aee145ade330e5c808896b39bad92927ccd1f18e09ca38ae6ef8493fcf75821170d01b5399 |
ripemd-160 | a8cbdb3d08f6cfd2c6d5c971fd71856099ef19e1 |
21000864 as geometric shapes
Circle
Radius = nDiameter | 42001728 |
---|---|
Circumference | 131952320.12288 |
Area | 1.3855563646925E+15 |
Sphere
Radius = nVolume | 3.8797174372322E+22 |
---|---|
Surface area | 5.54222545877E+15 |
Circumference | 131952320.12288 |
Square
Length = nPerimeter | 84003456 |
---|---|
Area | 441036288746496 |
Diagonal | 29699706.690353 |
Cube
Length = nSurface area | 2646217732478976 |
---|---|
Volume | 9.2621431190299E+21 |
Space diagonal | 36374563.450844 |
Equilateral Triangle
Length = nPerimeter | 63002592 |
---|---|
Area | 1.9097431502264E+14 |
Altitude | 18187281.725422 |
Triangular Pyramid
Length = nSurface area | 1.9097431502264E+14 |
---|---|
Volume | 1.0915540346311E+21 |
Height | 9899902.2301176 |