20804784 (number)

20804784 is an even 8-digits composite number following 20804783 and preceding 20804785. In scientific notation, it is written as 2.0804784 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 4976640 positive integers (up to 20804784) that are relatively prime to 20804784.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand seven hundred eighty-four

Notation

Scientific notation 2.0804784 × 10^7
Engineering notation 2.0804784 × 10^6

Prime Factorization of 20804784

Prime Factorization 2 × 2 × 2 × 2 × 13 × 21 × 11 × 433

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2600598
Product of the distinct prime numbers

The prime factorization of 20804784 is 2 × 2 × 2 × 2 × 13 × 21 × 11 × 433. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804784)

Multiplication

n×y
n×2 41609568
n×3 62414352
n×4 83219136
n×5 104023920

Division

n÷y
n÷2 10402392
n÷3 6934928
n÷3 5201196
n÷5 4160956.8

Exponentiation

ny
n2 432839037286656
n3 9.0051226775168E+21
n4 1.8734963219924E+29
n5 3.8977686303846E+36

Nth Root

y√n
2√n 4561.2261509379
3√n 275.03485618786
4√n 67.536850318459
5√n 29.082560635224

Divisors of 20804784

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20804783
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804784 can be divided by 80 positive divisors. The sum of these divisors (counting 20804784) is 1, the average is 0.0125.

Base conversion 20804784

Base System Value
2 Binary 1001111010111010010110000
3 Ternary 1110010222210120
4 Quaternary 1033113102300
5 Quinary 20311223114
6 Senary 2021530240
8 Octal 117272260
10 Decimal 20804784
12 Duodecimal 6b73980
16 Hexadecimal 13d74b0
20 Vigesimal 6a0bj4
36 Base36 cdx2o

Cryptographic Hash Functions

md5 05ce791ba40ef3d6b026b3a7ad8cbc1a
sha1 703ccb27d32a5f7171f5dce776f583e66def6a31
sha256 4abc583f087e97c79f5293b3d75ce856088e47e51281866061e1ba743d3094d2
sha512 42ef91b663a3952deda729636c6b01ba111fc0c5ad8795402a7ee5f6ffa5d1adfe4d35d18ef2b785701bb6a73f795da8efb79b2550893b18ef2945fe1468072a
ripemd-160 19ea29449f29d765d54784dd1bc7a418e1f3c85c

20804784 as geometric shapes

Circle

Radius = n
Diameter 41609568
Circumference 130720313.14784
Area 1.3598039397266E+15

Sphere

Radius = n
Volume 3.7720569664482E+22
Surface area 5.4392157589065E+15
Circumference 130720313.14784

Square

Length = n
Perimeter 83219136
Area 432839037286656
Diagonal 29422407.695043

Cube

Length = n
Surface area 2597034223719936
Volume 9.0051226775168E+21
Space diagonal 36034942.928496

Equilateral Triangle

Length = n
Perimeter 62414352
Area 1.8742480101992E+14
Altitude 18017471.464248

Triangular Pyramid

Length = n
Surface area 1.8742480101992E+14
Volume 1.0612638851148E+21
Height 9807469.2316809