20685908 (number)

20685908 is an even 8-digits composite number following 20685907 and preceding 20685909. In scientific notation, it is written as 2.0685908 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 9798552 positive integers (up to 20685908) that are relatively prime to 20685908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685908 × 10^7
Engineering notation 2.0685908 × 10^6

Prime Factorization of 20685908

Prime Factorization 2 × 2 × 19 × 272183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10342954
Product of the distinct prime numbers

The prime factorization of 20685908 is 2 × 2 × 19 × 272183. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685908)

Multiplication

n×y
n×2 41371816
n×3 62057724
n×4 82743632
n×5 103429540

Division

n÷y
n÷2 10342954
n÷3 6895302.6666667
n÷3 5171477
n÷5 4137181.6

Exponentiation

ny
n2 427906789784464
n3 8.8516404860568E+21
n4 1.8310422074365E+29
n5 3.7876770647147E+36

Nth Root

y√n
2√n 4548.1763378304
3√n 274.51001674347
4√n 67.44016857801
5√n 29.049249572477

Divisors of 20685908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685908 can be divided by 12 positive divisors. The sum of these divisors (counting 20685908) is 1, the average is 0.083333333333333.

Base conversion 20685908

Base System Value
2 Binary 1001110111010010001010100
3 Ternary 1102220221201202
4 Quaternary 1032322101110
5 Quinary 20243422113
6 Senary 2015212032
8 Octal 116722124
10 Decimal 20685908
12 Duodecimal 6b17018
16 Hexadecimal 13ba454
20 Vigesimal 695ef8
36 Base36 cbdck

Cryptographic Hash Functions

md5 7dfc7220aa8bcbfd2ebe5a68341bccd2
sha1 077f159f4e1041acf3dad33534bc63438afcd011
sha256 d575ef4e45969e1634b90a1f041d4a3a78ef14e4a544eafd2ea1126ac2af232e
sha512 b1e6c537e4a307f08d74fa57ee538ae2bb1d4502a8bec78e1829a05d5f7f3ba7b2803cabd65ba12289241786fcc26f80f6836365bac65c3ab50dc7b0c0ba7962
ripemd-160 7c5c5f93e1a0f42beae5e28bf6b495b2aa2ff933

20685908 as geometric shapes

Circle

Radius = n
Diameter 41371816
Circumference 129973393.21127
Area 1.3443088272081E+15

Sphere

Radius = n
Volume 3.7077664964285E+22
Surface area 5.3772353088323E+15
Circumference 129973393.21127

Square

Length = n
Perimeter 82743632
Area 427906789784464
Diagonal 29254291.643602

Cube

Length = n
Surface area 2567440738706784
Volume 8.8516404860568E+21
Space diagonal 35829043.656696

Equilateral Triangle

Length = n
Perimeter 62057724
Area 1.852890752026E+14
Altitude 17914521.828348

Triangular Pyramid

Length = n
Surface area 1.852890752026E+14
Volume 1.043175835386E+21
Height 9751430.5478674