20028865 (number)

20028865 is an odd 8-digits composite number following 20028864 and preceding 20028866. In scientific notation, it is written as 2.0028865 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 15867120 positive integers (up to 20028865) that are relatively prime to 20028865.

Interesting facts

Basic properties

Name

Name twenty million twenty-eight thousand eight hundred sixty-five

Notation

Scientific notation 2.0028865 × 10^7
Engineering notation 2.0028865 × 10^6

Prime Factorization of 20028865

Prime Factorization 5 × 103 × 38891

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20028865
Product of the distinct prime numbers

The prime factorization of 20028865 is 5 × 103 × 38891. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20028865)

Multiplication

n×y
n×2 40057730
n×3 60086595
n×4 80115460
n×5 100144325

Division

n÷y
n÷2 10014432.5
n÷3 6676288.3333333
n÷3 5007216.25
n÷5 4005773

Exponentiation

ny
n2 401155433188225
n3 8.0346880153435E+21
n4 1.6092568157643E+29
n5 3.2231587513274E+36

Nth Root

y√n
2√n 4475.3619965317
3√n 271.57228499452
4√n 66.898146435695
5√n 28.862322020698

Divisors of 20028865

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20028864
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20028865 can be divided by 8 positive divisors. The sum of these divisors (counting 20028865) is 1, the average is 0.125.

Base conversion 20028865

Base System Value
2 Binary 1001100011001110111000001
3 Ternary 1101200120102211
4 Quaternary 1030121313001
5 Quinary 20111410430
6 Senary 1553142121
8 Octal 114316701
10 Decimal 20028865
12 Duodecimal 685a941
16 Hexadecimal 1319dc1
20 Vigesimal 653c35
36 Base36 bxadd

Cryptographic Hash Functions

md5 b77835f2d957d1b8ede6a14969becba3
sha1 27cc2d655a0ff7a7d710cd327223533717652564
sha256 71c13aa7eed57adcd685e8897edd2a0d90e6ba396c8ebf5af376720b96494032
sha512 4bfe12adc5dd54b08e65b60e353cfb54755e865e099c5fa0509b6d607210c9e186950d1aa61364aac9aacafe84f0af16121bb815298ed047a6d1b8fa90b5e7eb
ripemd-160 a9205138f52923a066ac9c4fe3ded79fba41fdfb

20028865 as geometric shapes

Circle

Radius = n
Diameter 40057730
Circumference 125845070.28748
Area 1.2602669618518E+15

Sphere

Radius = n
Volume 3.3655622457185E+22
Surface area 5.041067847407E+15
Circumference 125845070.28748

Square

Length = n
Perimeter 80115460
Area 401155433188225
Diagonal 28325092.52194

Cube

Length = n
Surface area 2406932599129350
Volume 8.0346880153435E+21
Space diagonal 34691011.797938

Equilateral Triangle

Length = n
Perimeter 60086595
Area 1.7370539800358E+14
Altitude 17345505.898969

Triangular Pyramid

Length = n
Surface area 1.7370539800358E+14
Volume 9.4689706339461E+20
Height 9441697.5073133