20804561 (number)

20804561 is an odd 8-digits composite number following 20804560 and preceding 20804562. In scientific notation, it is written as 2.0804561 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20320692 positive integers (up to 20804561) that are relatively prime to 20804561.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand five hundred sixty-one

Notation

Scientific notation 2.0804561 × 10^7
Engineering notation 2.0804561 × 10^6

Prime Factorization of 20804561

Prime Factorization 43 × 483827

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20804561
Product of the distinct prime numbers

The prime factorization of 20804561 is 43 × 483827. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804561)

Multiplication

n×y
n×2 41609122
n×3 62413683
n×4 83218244
n×5 104022805

Division

n÷y
n÷2 10402280.5
n÷3 6934853.6666667
n÷3 5201140.25
n÷5 4160912.2

Exponentiation

ny
n2 432829758402721
n3 9.0048331113047E+21
n4 1.8734159975896E+29
n5 3.8975597400228E+36

Nth Root

y√n
2√n 4561.2017056912
3√n 275.03387351336
4√n 67.536669341115
5√n 29.082498289575

Divisors of 20804561

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 -20804560
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 20804561 can be divided by 4 positive divisors. The sum of these divisors (counting 20804561) is 1, the average is 0.25.

Base conversion 20804561

Base System Value
2 Binary 1001111010111001111010001
3 Ternary 1110010222111022
4 Quaternary 1033113033101
5 Quinary 20311221221
6 Senary 2021525225
8 Octal 117271721
10 Decimal 20804561
12 Duodecimal 6b73815
16 Hexadecimal 13d73d1
20 Vigesimal 6a0b81
36 Base36 cdwwh

Cryptographic Hash Functions

md5 b91d9b8fdcd84a10ce6e607cbfeb2650
sha1 252b401fe36e3fbae770d87ab64f19e0bdead52a
sha256 68d7f3e539019b5397863853cd22186fc4d36f81826295587aadec333a22f963
sha512 1b4d0ef9c0d59ced1893a058cb28ef46db9d0bcba071bcb34fd85b122796b3afbb4fc03a6536963ea67c08a623a211c24276f0771b7eb24c8233c55fc63fe028
ripemd-160 c579c544f5a7f86bfc4dc15ed04b9967512475cc

20804561 as geometric shapes

Circle

Radius = n
Diameter 41609122
Circumference 130718911.99752
Area 1.359774789253E+15

Sphere

Radius = n
Volume 3.7719356732369E+22
Surface area 5.4390991570121E+15
Circumference 130718911.99752

Square

Length = n
Perimeter 83218244
Area 432829758402721
Diagonal 29422092.325418

Cube

Length = n
Surface area 2596978550416326
Volume 9.0048331113047E+21
Space diagonal 36034556.681166

Equilateral Triangle

Length = n
Perimeter 62413683
Area 1.8742078314532E+14
Altitude 18017278.340583

Triangular Pyramid

Length = n
Surface area 1.8742078314532E+14
Volume 1.0612297594094E+21
Height 9807364.1084728