20685904 (number)

20685904 is an even 8-digits composite number following 20685903 and preceding 20685905. In scientific notation, it is written as 2.0685904 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 10266368 positive integers (up to 20685904) that are relatively prime to 20685904.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand nine hundred four

Notation

Scientific notation 2.0685904 × 10^7
Engineering notation 2.0685904 × 10^6

Prime Factorization of 20685904

Prime Factorization 2 × 2 × 2 × 2 × 137 × 9437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2585738
Product of the distinct prime numbers

The prime factorization of 20685904 is 2 × 2 × 2 × 2 × 137 × 9437. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 10, 62, 100, 341, 212, 2031, 3274, 62624, 85925, 800350, 692163, 7171442, 2877233, 18606860, 27566487, 478893919, 5662623, 9682100764, 2365000183

Basic calculations (n = 20685904)

Multiplication

n×y
n×2 41371808
n×3 62057712
n×4 82743616
n×5 103429520

Division

n÷y
n÷2 10342952
n÷3 6895301.3333333
n÷3 5171476
n÷5 4137180.8

Exponentiation

ny
n2 427906624297216
n3 8.8516353511763E+21
n4 1.8310407911744E+29
n5 3.7876734026317E+36

Nth Root

y√n
2√n 4548.1758980937
3√n 274.50999904961
4√n 67.440165317811
5√n 29.049248449036

Divisors of 20685904

1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9437, 18874, 37748, 75496, 150992, 1292869, 2585738, 5171476, 10342952, 20685904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685904 can be divided by 20 positive divisors. The sum of these divisors (counting 20685904) is 1, the average is 0.05.

Base conversion 20685904

Base System Value
2 Binary 1001110111010010001010000
3 Ternary 1102220221201121
4 Quaternary 1032322101100
5 Quinary 20243422104
6 Senary 2015212024
8 Octal 116722120
10 Decimal 20685904
12 Duodecimal 6b17014
16 Hexadecimal 13ba450
20 Vigesimal 695ef4
36 Base36 cbdcg

Cryptographic Hash Functions

md5 aff92bb18bfc817737517ed2fe68fa93
sha1 8f7039f3ad287f858ddda46bd192650e6fc66a0d
sha256 53532b1ddc3391e7dcd9b0bf2bb319685e440359a77ffe14e1ffa3c39b6c6f4b
sha512 af57ee1992d23e0cb1583b55679fdc02ac78ceb3e8a1f358d091912ab800317dc2c25df184cd2b4123f4492855080b6dcd03d772eb45a32c4468049593140bfc
ripemd-160 f8d5ebe3dfb583ef70a3b91819a18e5739804d27

20685904 as geometric shapes

Circle

Radius = n
Diameter 41371808
Circumference 129973368.07853
Area 1.3443083073145E+15

Sphere

Radius = n
Volume 3.7077643455348E+22
Surface area 5.3772332292582E+15
Circumference 129973368.07853

Square

Length = n
Perimeter 82743616
Area 427906624297216
Diagonal 29254285.986748

Cube

Length = n
Surface area 2567439745783296
Volume 8.8516353511763E+21
Space diagonal 35829036.728492

Equilateral Triangle

Length = n
Perimeter 62057712
Area 1.8528900354452E+14
Altitude 17914518.364246

Triangular Pyramid

Length = n
Surface area 1.8528900354452E+14
Volume 1.0431752302346E+21
Height 9751428.6622493