20804845 (number)

20804845 is an odd 8-digits composite number following 20804844 and preceding 20804846. In scientific notation, it is written as 2.0804845 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 16643872 positive integers (up to 20804845) that are relatively prime to 20804845.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand eight hundred forty-five

Notation

Scientific notation 2.0804845 × 10^7
Engineering notation 2.0804845 × 10^6

Prime Factorization of 20804845

Prime Factorization 5 × 4160969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20804845
Product of the distinct prime numbers

The prime factorization of 20804845 is 5 × 4160969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804845)

Multiplication

n×y
n×2 41609690
n×3 62414535
n×4 83219380
n×5 104024225

Division

n÷y
n÷2 10402422.5
n÷3 6934948.3333333
n÷3 5201211.25
n÷5 4160969

Exponentiation

ny
n2 432841575474025
n3 9.0052018872929E+21
n4 1.8735182945884E+29
n5 3.8978257723575E+36

Nth Root

y√n
2√n 4561.2328377315
3√n 275.03512498998
4√n 67.536899823219
5√n 29.082577689322

Divisors of 20804845

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 -20804844
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 20804845 can be divided by 4 positive divisors. The sum of these divisors (counting 20804845) is 1, the average is 0.25.

Base conversion 20804845

Base System Value
2 Binary 1001111010111010011101101
3 Ternary 1110010222212211
4 Quaternary 1033113103231
5 Quinary 20311223340
6 Senary 2021530421
8 Octal 117272355
10 Decimal 20804845
12 Duodecimal 6b73a11
16 Hexadecimal 13d74ed
20 Vigesimal 6a0c25
36 Base36 cdx4d

Cryptographic Hash Functions

md5 e3898c505efc32ac8e70778f8aeb3711
sha1 8735e3affc23b144ade07052e021660f56c5ed84
sha256 4373017e0e9daf4c318cffa922fc69abed4221571aabe8149fd08b32e2299b36
sha512 8e6cc5e2a7487c81bac3457ab9c2b3ee82de330a36ad6c6e783886f50b2733131c1df7939383a7e42a7d84c3cf20b12b62d9362aec2558c3af0cc8addf6ed685
ripemd-160 6294a1c36d1332f8559b076e95aa1f7d6e86121b

20804845 as geometric shapes

Circle

Radius = n
Diameter 41609690
Circumference 130720696.42215
Area 1.3598119136774E+15

Sphere

Radius = n
Volume 3.7720901457616E+22
Surface area 5.4392476547097E+15
Circumference 130720696.42215

Square

Length = n
Perimeter 83219380
Area 432841575474025
Diagonal 29422493.96207

Cube

Length = n
Surface area 2597049452844150
Volume 9.0052018872929E+21
Space diagonal 36035048.583595

Equilateral Triangle

Length = n
Perimeter 62414535
Area 1.8742590008729E+14
Altitude 18017524.291798

Triangular Pyramid

Length = n
Surface area 1.8742590008729E+14
Volume 1.0612732200765E+21
Height 9807497.9873567