20809543 (number)

20809543 is an odd 8-digits composite number following 20809542 and preceding 20809544. In scientific notation, it is written as 2.0809543 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20798568 positive integers (up to 20809543) that are relatively prime to 20809543.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand five hundred forty-three

Notation

Scientific notation 2.0809543 × 10^7
Engineering notation 2.0809543 × 10^6

Prime Factorization of 20809543

Prime Factorization 8539 × 2437

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20809543
Product of the distinct prime numbers

The prime factorization of 20809543 is 8539 × 2437. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809543)

Multiplication

n×y
n×2 41619086
n×3 62428629
n×4 83238172
n×5 104047715

Division

n÷y
n÷2 10404771.5
n÷3 6936514.3333333
n÷3 5202385.75
n÷5 4161908.6

Exponentiation

ny
n2 433037079868849
n3 9.0113037341252E+21
n4 1.8752111254134E+29
n5 3.9022286548369E+36

Nth Root

y√n
2√n 4561.7478010079
3√n 275.05582558112
4√n 67.540712174272
5√n 29.083891014276

Divisors of 20809543

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 -20809542
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 20809543 can be divided by 4 positive divisors. The sum of these divisors (counting 20809543) is 1, the average is 0.25.

Base conversion 20809543

Base System Value
2 Binary 1001111011000011101000111
3 Ternary 1110011020022211
4 Quaternary 1033120131013
5 Quinary 20311401133
6 Senary 2022004251
8 Octal 117303507
10 Decimal 20809543
12 Duodecimal 6b76687
16 Hexadecimal 13d8747
20 Vigesimal 6a13h3
36 Base36 ce0qv

Cryptographic Hash Functions

md5 b5e11f0f01d828c3f041b9a7f6c709d9
sha1 f4a84fa5c06c9e7bc12828b5c05f24d6e7ef57ef
sha256 418d4624e6e6c2166b06459260627b6ba9737cb99c88e46b7891f730ceace0fb
sha512 3dc4d51cf41c08a88c614cd065032b61bc0b16d5961b45f709fd0534608f9c4e0725228e88943841eae9f72220791145bb06d3c329bdf384904a32dd3b59080b
ripemd-160 591e87a9ad5b89822636a16f1ea0f5b850c10917

20809543 as geometric shapes

Circle

Radius = n
Diameter 41619086
Circumference 130750214.82672
Area 1.360426108848E+15

Sphere

Radius = n
Volume 3.7746460813859E+22
Surface area 5.4417044353918E+15
Circumference 130750214.82672

Square

Length = n
Perimeter 83238172
Area 433037079868849
Diagonal 29429137.937386

Cube

Length = n
Surface area 2598222479213094
Volume 9.0113037341252E+21
Space diagonal 36043185.758289

Equilateral Triangle

Length = n
Perimeter 62428629
Area 1.8751055597353E+14
Altitude 18021592.879145

Triangular Pyramid

Length = n
Surface area 1.8751055597353E+14
Volume 1.0619923296219E+21
Height 9809712.6457954