20688009 (number)

20688009 is an odd 8-digits composite number following 20688008 and preceding 20688010. In scientific notation, it is written as 2.0688009 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13792004 positive integers (up to 20688009) that are relatively prime to 20688009.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-eight thousand nine

Notation

Scientific notation 2.0688009 × 10^7
Engineering notation 2.0688009 × 10^6

Prime Factorization of 20688009

Prime Factorization 3 × 6896003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20688009
Product of the distinct prime numbers

The prime factorization of 20688009 is 3 × 6896003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20688009)

Multiplication

n×y
n×2 41376018
n×3 62064027
n×4 82752036
n×5 103440045

Division

n÷y
n÷2 10344004.5
n÷3 6896003
n÷3 5172002.25
n÷5 4137601.8

Exponentiation

ny
n2 427993716384081
n3 8.8543378564973E+21
n4 1.8317862126426E+29
n5 3.7896009653225E+36

Nth Root

y√n
2√n 4548.4073036614
3√n 274.51931012361
4√n 67.441880932113
5√n 29.049839635954

Divisors of 20688009

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 -20688008
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 20688009 can be divided by 4 positive divisors. The sum of these divisors (counting 20688009) is 1, the average is 0.25.

Base conversion 20688009

Base System Value
2 Binary 1001110111010110010001001
3 Ternary 1102221001121120
4 Quaternary 1032322302021
5 Quinary 20244004014
6 Senary 2015225453
8 Octal 116726211
10 Decimal 20688009
12 Duodecimal 6b18289
16 Hexadecimal 13bac89
20 Vigesimal 696009
36 Base36 cbeyx

Cryptographic Hash Functions

md5 75aaa5725bbec884478b303ec75cb1b0
sha1 2eeb7c7f7ba774b366a725af025267cd6a33bdda
sha256 e83bc71c1c3efd916667f7c53ff698b8880a2536c1f6cb3785abbd5d880a2756
sha512 9dfbd4540566332489fa6f9e2be5f5af0e1c2c6ef4f08a38495bfb44eab8a73ebcd982e6c98637c3d16165c8c6df203dfe090b125a45d1439f38329a27cc62d9
ripemd-160 cc3c2dac99a7e0f31f673403b727c1d5dcbef186

20688009 as geometric shapes

Circle

Radius = n
Diameter 41376018
Circumference 129986594.1836
Area 1.3445819151748E+15

Sphere

Radius = n
Volume 3.7088963683165E+22
Surface area 5.3783276606993E+15
Circumference 129986594.1836

Square

Length = n
Perimeter 82752036
Area 427993716384081
Diagonal 29257262.906297

Cube

Length = n
Surface area 2567962298304486
Volume 8.8543378564973E+21
Space diagonal 35832682.695442

Equilateral Triangle

Length = n
Perimeter 62064027
Area 1.8532671552436E+14
Altitude 17916341.347721

Triangular Pyramid

Length = n
Surface area 1.8532671552436E+14
Volume 1.043493723541E+21
Height 9752420.9687656