20809013 (number)

20809013 is an odd 8-digits composite number following 20809012 and preceding 20809014. In scientific notation, it is written as 2.0809013 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 20452768 positive integers (up to 20809013) that are relatively prime to 20809013.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand thirteen

Notation

Scientific notation 2.0809013 × 10^7
Engineering notation 2.0809013 × 10^6

Prime Factorization of 20809013

Prime Factorization 83 × 239 × 1049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20809013
Product of the distinct prime numbers

The prime factorization of 20809013 is 83 × 239 × 1049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809013)

Multiplication

n×y
n×2 41618026
n×3 62427039
n×4 83236052
n×5 104045065

Division

n÷y
n÷2 10404506.5
n÷3 6936337.6666667
n÷3 5202253.25
n÷5 4161802.6

Exponentiation

ny
n2 433015022034169
n3 9.0106152227043E+21
n4 1.8750200930725E+29
n5 3.9017317492007E+36

Nth Root

y√n
2√n 4561.6897088689
3√n 275.05349042132
4√n 67.540282120146
5√n 29.083742864754

Divisors of 20809013

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809012
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809013 can be divided by 8 positive divisors. The sum of these divisors (counting 20809013) is 1, the average is 0.125.

Base conversion 20809013

Base System Value
2 Binary 1001111011000010100110101
3 Ternary 1110011012121012
4 Quaternary 1033120110311
5 Quinary 20311342023
6 Senary 2022002005
8 Octal 117302465
10 Decimal 20809013
12 Duodecimal 6b76305
16 Hexadecimal 13d8535
20 Vigesimal 6a12ad
36 Base36 ce0c5

Cryptographic Hash Functions

md5 f30e2c1c74881355d3038a35cda35720
sha1 42830209fae25008ff866a008b492d6753dc0d54
sha256 eea78c925e1e3208a611c0bf31aeb9451146e5a0701c92a01f7d18c1e61176a3
sha512 255b1dc5cd85daa10e2e74c6c2d52b2c7e5b6b99daac83936b2631f269fc6835e3e88cf7c486b28e59c54a0d9621d0028a18e84a0248a9375c6e532e4a265ae3
ripemd-160 9926e633af7cd99b0000f5a72d81005cd253f025

20809013 as geometric shapes

Circle

Radius = n
Diameter 41618026
Circumference 130746884.73851
Area 1.3603568121166E+15

Sphere

Radius = n
Volume 3.7743576783963E+22
Surface area 5.4414272484663E+15
Circumference 130746884.73851

Square

Length = n
Perimeter 83236052
Area 433015022034169
Diagonal 29428388.404198

Cube

Length = n
Surface area 2598090132205014
Volume 9.0106152227043E+21
Space diagonal 36042267.771361

Equilateral Triangle

Length = n
Perimeter 62427039
Area 1.8750100465093E+14
Altitude 18021133.885681

Triangular Pyramid

Length = n
Surface area 1.8750100465093E+14
Volume 1.0619111877728E+21
Height 9809462.8013994