20802009 (number)

20802009 is an odd 8-digits composite number following 20802008 and preceding 20802010. In scientific notation, it is written as 2.0802009 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13868004 positive integers (up to 20802009) that are relatively prime to 20802009.

Interesting facts

Basic properties

Name

Name twenty million eight hundred two thousand nine

Notation

Scientific notation 2.0802009 × 10^7
Engineering notation 2.0802009 × 10^6

Prime Factorization of 20802009

Prime Factorization 3 × 6934003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20802009
Product of the distinct prime numbers

The prime factorization of 20802009 is 3 × 6934003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20802009)

Multiplication

n×y
n×2 41604018
n×3 62406027
n×4 83208036
n×5 104010045

Division

n÷y
n÷2 10401004.5
n÷3 6934003
n÷3 5200502.25
n÷5 4160401.8

Exponentiation

ny
n2 432723578436081
n3 9.0015197731396E+21
n4 1.8724969533453E+29
n5 3.8951698475961E+36

Nth Root

y√n
2√n 4560.9219462736
3√n 275.02262733925
4√n 67.534598142534
5√n 29.081784771251

Divisors of 20802009

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 -20802008
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 20802009 can be divided by 4 positive divisors. The sum of these divisors (counting 20802009) is 1, the average is 0.25.

Base conversion 20802009

Base System Value
2 Binary 1001111010110100111011001
3 Ternary 1110010211222210
4 Quaternary 1033112213121
5 Quinary 20311131014
6 Senary 2021505333
8 Octal 117264731
10 Decimal 20802009
12 Duodecimal 6b72249
16 Hexadecimal 13d69d9
20 Vigesimal 6a0509
36 Base36 cduxl

Cryptographic Hash Functions

md5 2883da6578f5bdc0bb785d719edaf319
sha1 6475015269f26fe8854c1ffa6df59a49627d78c9
sha256 3d9c28072f33011cb4fe10d563484c85a9bb6689288b3a139cd1a4bd44482f68
sha512 70a4c7608ae616ec14a9c8d29526071fa6f20a86417204d2605e13138174d523b98e3bab85d3350d6571b7830710cdc30913a8122edc063ace6f918b061a9640
ripemd-160 97282314783acaaa582eb3900fcf597658cab7a9

20802009 as geometric shapes

Circle

Radius = n
Diameter 41604018
Circumference 130702877.30862
Area 1.3594412150499E+15

Sphere

Radius = n
Volume 3.7705477853918E+22
Surface area 5.4377648601995E+15
Circumference 130702877.30862

Square

Length = n
Perimeter 83208036
Area 432723578436081
Diagonal 29418483.252407

Cube

Length = n
Surface area 2596341470616486
Volume 9.0015197731396E+21
Space diagonal 36030136.487505

Equilateral Triangle

Length = n
Perimeter 62406027
Area 1.8737480587108E+14
Altitude 18015068.243753

Triangular Pyramid

Length = n
Surface area 1.8737480587108E+14
Volume 1.060839278762E+21
Height 9806161.0841357