20291809 (number)

20291809 is an odd 8-digits composite number following 20291808 and preceding 20291810. In scientific notation, it is written as 2.0291809 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20090800 positive integers (up to 20291809) that are relatively prime to 20291809.

Interesting facts

Basic properties

Name

Name twenty million two hundred ninety-one thousand eight hundred nine

Notation

Scientific notation 2.0291809 × 10^7
Engineering notation 2.0291809 × 10^6

Prime Factorization of 20291809

Prime Factorization 101 × 200909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20291809
Product of the distinct prime numbers

The prime factorization of 20291809 is 101 × 200909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20291809)

Multiplication

n×y
n×2 40583618
n×3 60875427
n×4 81167236
n×5 101459045

Division

n÷y
n÷2 10145904.5
n÷3 6763936.3333333
n÷3 5072952.25
n÷5 4058361.8

Exponentiation

ny
n2 411757512492481
n3 8.3553047978125E+21
n4 1.69544249094E+29
n5 3.4403595196638E+36

Nth Root

y√n
2√n 4504.6430491217
3√n 272.75554514646
4√n 67.116637647618
5√n 28.937709541917

Divisors of 20291809

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 -20291808
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 20291809 can be divided by 4 positive divisors. The sum of these divisors (counting 20291809) is 1, the average is 0.25.

Base conversion 20291809

Base System Value
2 Binary 1001101011010000011100001
3 Ternary 1102011221010111
4 Quaternary 1031122003201
5 Quinary 20143314214
6 Senary 2002531321
8 Octal 115320341
10 Decimal 20291809
12 Duodecimal 6966b41
16 Hexadecimal 135a0e1
20 Vigesimal 66g9a9
36 Base36 c2x9d

Cryptographic Hash Functions

md5 5eebdc3c8c62a6654997234e898fd5df
sha1 a0df01f9d4454343b6ca0ae297b9b041b78bc0a7
sha256 c738d9c332639e73c574c2dcf0afda7a658f592bfcf787a9b98f6590f3da5ab5
sha512 05af3ff0f4830cebba58cfbe3867e34578ecb55bb46960ffa2e524b933aa2e1f383b2701a3ebb27c05704313ba449a8e63ce563394606b50ca48f1455b4ceb63
ripemd-160 e309de8032aa9554a47219312d8f3aadec7a665b

20291809 as geometric shapes

Circle

Radius = n
Diameter 40583618
Circumference 127497196.16489
Area 1.2935743763068E+15

Sphere

Radius = n
Volume 3.4998618895082E+22
Surface area 5.1742975052271E+15
Circumference 127497196.16489

Square

Length = n
Perimeter 81167236
Area 411757512492481
Diagonal 28696951.492884

Cube

Length = n
Surface area 2470545074954886
Volume 8.3553047978125E+21
Space diagonal 35146444.165483

Equilateral Triangle

Length = n
Perimeter 60875427
Area 1.7829623300879E+14
Altitude 17573222.082742

Triangular Pyramid

Length = n
Surface area 1.7829623300879E+14
Volume 9.8468211356896E+20
Height 9565650.4976281