20804813 (number)

20804813 is an odd 8-digits composite number following 20804812 and preceding 20804814. In scientific notation, it is written as 2.0804813 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20133660 positive integers (up to 20804813) that are relatively prime to 20804813.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand eight hundred thirteen

Notation

Scientific notation 2.0804813 × 10^7
Engineering notation 2.0804813 × 10^6

Prime Factorization of 20804813

Prime Factorization 31 × 671123

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20804813
Product of the distinct prime numbers

The prime factorization of 20804813 is 31 × 671123. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804813)

Multiplication

n×y
n×2 41609626
n×3 62414439
n×4 83219252
n×5 104024065

Division

n÷y
n÷2 10402406.5
n÷3 6934937.6666667
n÷3 5201203.25
n÷5 4160962.6

Exponentiation

ny
n2 432840243964969
n3 9.0051603345656E+21
n4 1.8735067679565E+29
n5 3.897795796157E+36

Nth Root

y√n
2√n 4561.2293299066
3√n 275.03498397909
4√n 67.536873853522
5√n 29.082568742915

Divisors of 20804813

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 -20804812
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 20804813 can be divided by 4 positive divisors. The sum of these divisors (counting 20804813) is 1, the average is 0.25.

Base conversion 20804813

Base System Value
2 Binary 1001111010111010011001101
3 Ternary 1110010222211122
4 Quaternary 1033113103031
5 Quinary 20311223223
6 Senary 2021530325
8 Octal 117272315
10 Decimal 20804813
12 Duodecimal 6b739a5
16 Hexadecimal 13d74cd
20 Vigesimal 6a0c0d
36 Base36 cdx3h

Cryptographic Hash Functions

md5 5c2b2871ff9d4cddf9c2d01d7e93ab64
sha1 2fa08992f0809bd55c8eee2ed170041273a7f5ec
sha256 5f535082e16778b7062b199ec421dd4710b19d4bc1fce17dc1060e5ad56c7987
sha512 7332e01c4b46c67b99b27ca0d8864e588f1fe78675b1bef535dfe715a77202a7bb1274c371f98ba7394345c32e7a22bc7ee99af06a87cfc50d7bbbb5073f8c4d
ripemd-160 01c20cef6e1e3c1d05f32cb4544ff29b2551b0fa

20804813 as geometric shapes

Circle

Radius = n
Diameter 41609626
Circumference 130720495.36022
Area 1.3598077306184E+15

Sphere

Radius = n
Volume 3.7720727401959E+22
Surface area 5.4392309224734E+15
Circumference 130720495.36022

Square

Length = n
Perimeter 83219252
Area 432840243964969
Diagonal 29422448.707236

Cube

Length = n
Surface area 2597041463789814
Volume 9.0051603345656E+21
Space diagonal 36034993.157969

Equilateral Triangle

Length = n
Perimeter 62414439
Area 1.8742532352696E+14
Altitude 18017496.578985

Triangular Pyramid

Length = n
Surface area 1.8742532352696E+14
Volume 1.0612683230406E+21
Height 9807482.902412