20021728 (number)

20021728 is an even 8-digits composite number following 20021727 and preceding 20021729. In scientific notation, it is written as 2.0021728 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 24 positive divisors. There are 9935616 positive integers (up to 20021728) that are relatively prime to 20021728.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand seven hundred twenty-eight

Notation

Scientific notation 2.0021728 × 10^7
Engineering notation 2.0021728 × 10^6

Prime Factorization of 20021728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 137 × 4567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1251358
Product of the distinct prime numbers

The prime factorization of 20021728 is 2 × 2 × 2 × 2 × 2 × 137 × 4567. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 7, 42, 99, 244, 866, 3336, 1878, 61601, 85838, 342804, 329583, 4678339, 9222264, 40275581, 51392315, 861447124, 967194667, 3633021318, 5338372462

Basic calculations (n = 20021728)

Multiplication

n×y
n×2 40043456
n×3 60065184
n×4 80086912
n×5 100108640

Division

n÷y
n÷2 10010864
n÷3 6673909.3333333
n÷3 5005432
n÷5 4004345.6

Exponentiation

ny
n2 400869592105984
n3 8.026101936617E+21
n4 1.6069642987522E+29
n5 3.2174202095327E+36

Nth Root

y√n
2√n 4474.5645598203
3√n 271.54002419389
4√n 66.89218608941
5√n 28.860264792201

Divisors of 20021728

1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 4567, 9134, 18268, 36536, 73072, 146144, 625679, 1251358, 2502716, 5005432, 10010864, 20021728

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20021727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20021728 can be divided by 24 positive divisors. The sum of these divisors (counting 20021728) is 1, the average is 0.041666666666667.

Base conversion 20021728

Base System Value
2 Binary 1001100011000000111100000
3 Ternary 1101200012122111
4 Quaternary 1030120013200
5 Quinary 20111143403
6 Senary 1553045104
8 Octal 114300740
10 Decimal 20021728
12 Duodecimal 6856794
16 Hexadecimal 13181e0
20 Vigesimal 652e68
36 Base36 bx4v4

Cryptographic Hash Functions

md5 08317be82e3bcd39196dd9d285c18fcb
sha1 95fa8633ee463496c060ed7250a188572e037022
sha256 3197ec0401f3bf00f1480d16c0f95b1c003fded76cb518a7bbea45fb8d0a5ad4
sha512 8dfc8efae83fbd786c45a8d134c5ea72e2c883445518dd5c30586485c03eb00de7bc9c418d7e77241f237d564c58e247ee6cf614c1df460f827cb0a2fe12cf23
ripemd-160 478987115ba2dcc0ba2e73a029f69fbb49dc0923

20021728 as geometric shapes

Circle

Radius = n
Diameter 40043456
Circumference 125800227.19395
Area 1.2593689656077E+15

Sphere

Radius = n
Volume 3.3619657174718E+22
Surface area 5.0374758624308E+15
Circumference 125800227.19395

Square

Length = n
Perimeter 80086912
Area 400869592105984
Diagonal 28314999.279745

Cube

Length = n
Surface area 2405217552635904
Volume 8.026101936617E+21
Space diagonal 34678650.151324

Equilateral Triangle

Length = n
Perimeter 60065184
Area 1.7358162518424E+14
Altitude 17339325.075662

Triangular Pyramid

Length = n
Surface area 1.7358162518424E+14
Volume 9.4588518431272E+20
Height 9438333.0932484