20806428 (number)

20806428 is an even 8-digits composite number following 20806427 and preceding 20806429. In scientific notation, it is written as 2.0806428 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 6935472 positive integers (up to 20806428) that are relatively prime to 20806428.

Interesting facts

Basic properties

Name

Name twenty million eight hundred six thousand four hundred twenty-eight

Notation

Scientific notation 2.0806428 × 10^7
Engineering notation 2.0806428 × 10^6

Prime Factorization of 20806428

Prime Factorization 2 × 2 × 3 × 1733869

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10403214
Product of the distinct prime numbers

The prime factorization of 20806428 is 2 × 2 × 3 × 1733869. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 60, 21, 140, 590, 3178, 1667, 91489, 26847, 103175, 870276, 5361425, 4136781, 77314990, 91579652, 698088864, 123350728, 673112842, 9888172990

Basic calculations (n = 20806428)

Multiplication

n×y
n×2 41612856
n×3 62419284
n×4 83225712
n×5 104032140

Division

n÷y
n÷2 10403214
n÷3 6935476
n÷3 5201607
n÷5 4161285.6

Exponentiation

ny
n2 432907446119184
n3 9.0072576083427E+21
n4 1.8740885690543E+29
n5 3.8993088877652E+36

Nth Root

y√n
2√n 4561.4063620774
3√n 275.04210044146
4√n 67.538184474247
5√n 29.083020243154

Divisors of 20806428

1, 2, 3, 4, 6, 12, 1733869, 3467738, 5201607, 6935476, 10403214, 20806428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20806427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20806428 can be divided by 12 positive divisors. The sum of these divisors (counting 20806428) is 1, the average is 0.083333333333333.

Base conversion 20806428

Base System Value
2 Binary 1001111010111101100011100
3 Ternary 1110011002001110
4 Quaternary 1033113230130
5 Quinary 20311301203
6 Senary 2021542020
8 Octal 117275434
10 Decimal 20806428
12 Duodecimal 6b74910
16 Hexadecimal 13d7b1c
20 Vigesimal 6a0g18
36 Base36 cdycc

Cryptographic Hash Functions

md5 79dfe9285a5296a1832aad0e1eac69fe
sha1 3a5d850503a9972a892f3905c4d14cb412061e60
sha256 2cc9756046e09a644902b0f455e3d8e5ea2a43b1cf4dd0d38582fcfa736222ea
sha512 7b552fb6579146f9083be1aeda29e7dc4284cb73261ce1d6c4fe4e17d74561db216fef5b288a138fa1d121bbac220afba30ffa7a36cfc544a92a536d18a1c220
ripemd-160 0517014fa09e481f70f4643e51ccab532eb89caf

20806428 as geometric shapes

Circle

Radius = n
Diameter 41612856
Circumference 130730642.70449
Area 1.3600188524123E+15

Sphere

Radius = n
Volume 3.7729512441814E+22
Surface area 5.4400754096494E+15
Circumference 130730642.70449

Square

Length = n
Perimeter 83225712
Area 432907446119184
Diagonal 29424732.662139

Cube

Length = n
Surface area 2597444676715104
Volume 9.0072576083427E+21
Space diagonal 36037790.420024

Equilateral Triangle

Length = n
Perimeter 62419284
Area 1.8745442291333E+14
Altitude 18018895.210012

Triangular Pyramid

Length = n
Surface area 1.8745442291333E+14
Volume 1.0615154891255E+21
Height 9808244.2207131