21029904 (number)
21029904 is an even 8-digits composite number following 21029903 and preceding 21029905. In scientific notation, it is written as 2.1029904 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 5806080 positive integers (up to 21029904) that are relatively prime to 21029904.
Interesting facts
- 21029904 has 80 divisors, whose sum is 53488640
- The reverse of 21029904 is 40992012
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million twenty-nine thousand nine hundred four |
---|
Notation
Scientific notation | 2.1029904 × 10^7 |
---|---|
Engineering notation | 2.1029904 × 10^6 |
Prime Factorization of 21029904
Prime Factorization 2 × 2 × 2 × 2 × 9 × 7 × 31 × 673
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2628738 | Product of the distinct prime numbers |
The prime factorization of 21029904 is 2 × 2 × 2 × 2 × 9 × 7 × 31 × 673. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21029904)
Multiplication
n×yn×2 | 42059808 |
---|---|
n×3 | 63089712 |
n×4 | 84119616 |
n×5 | 105149520 |
Division
n÷yn÷2 | 10514952 |
---|---|
n÷3 | 7009968 |
n÷3 | 5257476 |
n÷5 | 4205980.8 |
Exponentiation
nyn2 | 442256862249216 |
---|---|
n3 | 9.3006193564422E+21 |
n4 | 1.9559113220652E+29 |
n5 | 4.1132627335545E+36 |
Nth Root
y√n2√n | 4585.8373281223 |
---|---|
3√n | 276.02331246059 |
4√n | 67.718810740608 |
5√n | 29.145228062112 |
Divisors of 21029904
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 | -21029903 | 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 21029904 can be divided by 80 positive divisors. The sum of these divisors (counting 21029904) is 1, the average is 0.0125.
Base conversion 21029904
Base | System | Value |
---|---|---|
2 | Binary | 1010000001110010000010000 |
3 | Ternary | 1110120102121100 |
4 | Quaternary | 1100032100100 |
5 | Quinary | 20340424104 |
6 | Senary | 2030424400 |
8 | Octal | 120162020 |
10 | Decimal | 21029904 |
12 | Duodecimal | 7062100 |
16 | Hexadecimal | 140e410 |
20 | Vigesimal | 6b8ef4 |
36 | Base36 | ciqs0 |
Cryptographic Hash Functions
md5 | 33ab7b88419b071b6d805900e718ffdc |
---|---|
sha1 | b782b1d1452577201dc47e9c2c25b06c00240155 |
sha256 | b24da594ec513dd3e7e7ba9fbe0195a4e40b7df4b3b0175c7cbfe2d5292b6c8a |
sha512 | db6a554d27dc0c01b8889938dd39ed0e60e175dee90c548e6e0b71ac7c80abcaf403dbf02f5c0d144d142a534f6a1af68c9a1841ed12f4c9caf7b49776237bc0 |
ripemd-160 | 422a004c4fc338b8ce4c2f69b647865478ceab47 |
21029904 as geometric shapes
Circle
Radius = nDiameter | 42059808 |
---|---|
Circumference | 132134783.8242 |
Area | 1.3893909094418E+15 |
Sphere
Radius = nVolume | 3.8958343258712E+22 |
---|---|
Surface area | 5.5575636377672E+15 |
Circumference | 132134783.8242 |
Square
Length = nPerimeter | 84119616 |
---|---|
Area | 442256862249216 |
Diagonal | 29740775.452204 |
Cube
Length = nSurface area | 2653541173495296 |
---|---|
Volume | 9.3006193564422E+21 |
Space diagonal | 36424862.206296 |
Equilateral Triangle
Length = nPerimeter | 63089712 |
---|---|
Area | 1.9150283885291E+14 |
Altitude | 18212431.103148 |
Triangular Pyramid
Length = nSurface area | 1.9150283885291E+14 |
---|---|
Volume | 1.0960885026959E+21 |
Height | 9913591.8174014 |