20804809 (number)

20804809 is an odd 8-digits prime number following 20804808 and preceding 20804810. In scientific notation, it is written as 2.0804809 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 20804808 positive integers (up to 20804809) that are relatively prime to 20804809.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand eight hundred nine

Notation

Scientific notation 2.0804809 × 10^7
Engineering notation 2.0804809 × 10^6

Prime Factorization of 20804809

Prime Factorization 20804809

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20804809
Product of the distinct prime numbers

The prime factorization of 20804809 is 20804809. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 4, 64, 41, 82, 318, 4099, 4042, 62154, 10685, 867443, 636027, 4443794, 6404674, 94298614, 94815209, 288252048, 761477688, 7291106715, 2159554708

Basic calculations (n = 20804809)

Multiplication

n×y
n×2 41609618
n×3 62414427
n×4 83219236
n×5 104024045

Division

n÷y
n÷2 10402404.5
n÷3 6934936.3333333
n÷3 5201202.25
n÷5 4160961.8

Exponentiation

ny
n2 432840077526481
n3 9.0051551404836E+21
n4 1.8735053271313E+29
n5 3.8977920491449E+36

Nth Root

y√n
2√n 4561.2288914283
3√n 275.03496635272
4√n 67.536870607308
5√n 29.082567624613

Divisors of 20804809

1, 20804809

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20804810
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10402405
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4561.2290010479
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999038684
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804809 can be divided by 2 positive divisors. The sum of these divisors (counting 20804809) is 20804810, the average is 10402405.

Base conversion 20804809

Base System Value
2 Binary 1001111010111010011001001
3 Ternary 1110010222211111
4 Quaternary 1033113103021
5 Quinary 20311223214
6 Senary 2021530321
8 Octal 117272311
10 Decimal 20804809
12 Duodecimal 6b739a1
16 Hexadecimal 13d74c9
20 Vigesimal 6a0c09
36 Base36 cdx3d

Cryptographic Hash Functions

md5 fba8723c3da17b635dd47f07a7c58d5b
sha1 1d1817b5e1e6d491927ca88b59247687c6b21381
sha256 aa01a200a94035115606884ae1823fc7076b253dc6d449366bc4108475f36622
sha512 6462203cc5c4b3248039ae4597aede92548e2dc40572b0792cbf4ca4935ae976b6f340b37314c8689c1fe2807604dd2e3e0faa24ddc5f7cf9140a9da1842dd39
ripemd-160 c6b17995addc7aac961f600dae5a344aac1c5682

20804809 as geometric shapes

Circle

Radius = n
Diameter 41609618
Circumference 130720470.22748
Area 1.3598072077364E+15

Sphere

Radius = n
Volume 3.772070564504E+22
Surface area 5.4392288309457E+15
Circumference 130720470.22748

Square

Length = n
Perimeter 83219236
Area 432840077526481
Diagonal 29422443.050382

Cube

Length = n
Surface area 2597040465158886
Volume 9.0051551404836E+21
Space diagonal 36034986.229766

Equilateral Triangle

Length = n
Perimeter 62414427
Area 1.8742525145698E+14
Altitude 18017493.114883

Triangular Pyramid

Length = n
Surface area 1.8742525145698E+14
Volume 1.0612677109121E+21
Height 9807481.0167939