20385909 (number)

20385909 is an odd 8-digits composite number following 20385908 and preceding 20385910. In scientific notation, it is written as 2.0385909 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13590600 positive integers (up to 20385909) that are relatively prime to 20385909.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-five thousand nine hundred nine

Notation

Scientific notation 2.0385909 × 10^7
Engineering notation 2.0385909 × 10^6

Prime Factorization of 20385909

Prime Factorization 9 × 2265101

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20385909
Product of the distinct prime numbers

The prime factorization of 20385909 is 9 × 2265101. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20385909)

Multiplication

n×y
n×2 40771818
n×3 61157727
n×4 81543636
n×5 101929545

Division

n÷y
n÷2 10192954.5
n÷3 6795303
n÷3 5096477.25
n÷5 4077181.8

Exponentiation

ny
n2 415585285756281
n3 8.4720838171665E+21
n4 1.7271112973713E+29
n5 3.5208733741083E+36

Nth Root

y√n
2√n 4515.0757468729
3√n 273.17651507667
4√n 67.194313352195
5√n 28.964498690341

Divisors of 20385909

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20385908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20385909 can be divided by 4 positive divisors. The sum of these divisors (counting 20385909) is 1, the average is 0.25.

Base conversion 20385909

Base System Value
2 Binary 1001101110001000001110101
3 Ternary 1102100201012200
4 Quaternary 1031301001311
5 Quinary 20204322114
6 Senary 2004535113
8 Octal 115610165
10 Decimal 20385909
12 Duodecimal 69b1499
16 Hexadecimal 1371075
20 Vigesimal 6784f9
36 Base36 c4xv9

Cryptographic Hash Functions

md5 6df0698ca02d63f9072de8b4cef5c4d7
sha1 403890064c4bacb445299464b635ba388b83afb2
sha256 28b5aa5887e9df6cafa3e1b1274ae35f6947e259fc9982717d327d7d59a91a86
sha512 ce1171ad5975c479368bcce3eb5140062b8386b421e8a5c19408039b742456f9397dcea761cb965fe676890cb91036db9a4a64c74e8b0ae7750bb51cf02101e5
ripemd-160 f8918fdca54761b5119290ac31e3759c72289dd3

20385909 as geometric shapes

Circle

Radius = n
Diameter 40771818
Circumference 128088443.9023
Area 1.3055996806719E+15

Sphere

Radius = n
Volume 3.5487781707477E+22
Surface area 5.2223987226878E+15
Circumference 128088443.9023

Square

Length = n
Perimeter 81543636
Area 415585285756281
Diagonal 28830028.989104

Cube

Length = n
Surface area 2493511714537686
Volume 8.4720838171665E+21
Space diagonal 35309430.146476

Equilateral Triangle

Length = n
Perimeter 61157727
Area 1.7995370745198E+14
Altitude 17654715.073238

Triangular Pyramid

Length = n
Surface area 1.7995370745198E+14
Volume 9.9844465298321E+20
Height 9610009.6630346