20791809 (number)

20791809 is an odd 8-digits composite number following 20791808 and preceding 20791810. In scientific notation, it is written as 2.0791809 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors. There are 13856832 positive integers (up to 20791809) that are relatively prime to 20791809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0791809 × 10^7
Engineering notation 2.0791809 × 10^6

Prime Factorization of 20791809

Prime Factorization 3 × 27 × 27 × 3 × 3169

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 256689
Product of the distinct prime numbers

The prime factorization of 20791809 is 3 × 27 × 27 × 3 × 3169. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 4, 7, 83, 101, 811, 9512, 5840, 22342, 3715, 599631, 301106, 508067, 7032440, 45636619, 51717193, 988678736, 535551020, 840359214, 2916174581

Basic calculations (n = 20791809)

Multiplication

n×y
n×2 41583618
n×3 62375427
n×4 83167236
n×5 103959045

Division

n÷y
n÷2 10395904.5
n÷3 6930603
n÷3 5197952.25
n÷5 4158361.8

Exponentiation

ny
n2 432299321492481
n3 8.9882849233013E+21
n4 1.8688270336286E+29
n5 3.8856294737242E+36

Nth Root

y√n
2√n 4559.8036141922
3√n 274.97766871006
4√n 67.526317937469
5√n 29.078932235208

Divisors of 20791809

1, 3, 9, 27, 81, 243, 729, 2187, 3169, 6561, 9507, 28521, 85563, 256689, 770067, 2310201, 6930603, 20791809

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20791808
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20791809 can be divided by 18 positive divisors. The sum of these divisors (counting 20791809) is 1, the average is 0.055555555555556.

Base conversion 20791809

Base System Value
2 Binary 1001111010100001000000001
3 Ternary 1110010100000000
4 Quaternary 1033110020001
5 Quinary 20310314214
6 Senary 2021350213
8 Octal 117241001
10 Decimal 20791809
12 Duodecimal 6b68369
16 Hexadecimal 13d4201
20 Vigesimal 69ija9
36 Base36 cdn29

Cryptographic Hash Functions

md5 a6c37b6ec29b11a411523c5e63f3f09c
sha1 c0e7bcf516aede0d083405fe2a1290abcad11ef9
sha256 39ccd8f0c59e29125a47f608fe0e14a72c28b9294bfd239112a9834c765bd701
sha512 543df672e69a9ac6e18167e9e303512a132c262824280e611472bfbe03a2f10f39013e1380bfa6d6baf3c0e6552cea020010120fec074f13a1e33edce9d963ae
ripemd-160 1d25e3488e27742321d51c2bc7f6b84cc4db358f

20791809 as geometric shapes

Circle

Radius = n
Diameter 41583618
Circumference 130638788.81848
Area 1.3581083725526E+15

Sphere

Radius = n
Volume 3.7650039844554E+22
Surface area 5.4324334902105E+15
Circumference 130638788.81848

Square

Length = n
Perimeter 83167236
Area 432299321492481
Diagonal 29404058.274071

Cube

Length = n
Surface area 2593795928954886
Volume 8.9882849233013E+21
Space diagonal 36012469.569268

Equilateral Triangle

Length = n
Perimeter 62375427
Area 1.8719109722563E+14
Altitude 18006234.784634

Triangular Pyramid

Length = n
Surface area 1.8719109722563E+14
Volume 1.0592795367505E+21
Height 9801352.7580237