20385904 (number)

20385904 is an even 8-digits composite number following 20385903 and preceding 20385905. In scientific notation, it is written as 2.0385904 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 7942080 positive integers (up to 20385904) that are relatively prime to 20385904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0385904 × 10^7
Engineering notation 2.0385904 × 10^6

Prime Factorization of 20385904

Prime Factorization 2 × 2 × 2 × 2 × 77 × 16547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2548238
Product of the distinct prime numbers

The prime factorization of 20385904 is 2 × 2 × 2 × 2 × 77 × 16547. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20385904)

Multiplication

n×y
n×2 40771808
n×3 61157712
n×4 81543616
n×5 101929520

Division

n÷y
n÷2 10192952
n÷3 6795301.3333333
n÷3 5096476
n÷5 4077180.8

Exponentiation

ny
n2 415585081897216
n3 8.4720775833888E+21
n4 1.7271096029552E+29
n5 3.5208690563322E+36

Nth Root

y√n
2√n 4515.0751931723
3√n 273.1764927429
4√n 67.19430923205
5√n 28.964497269531

Divisors of 20385904

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 -20385903
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 20385904 can be divided by 20 positive divisors. The sum of these divisors (counting 20385904) is 1, the average is 0.05.

Base conversion 20385904

Base System Value
2 Binary 1001101110001000001110000
3 Ternary 1102100201012111
4 Quaternary 1031301001300
5 Quinary 20204322104
6 Senary 2004535104
8 Octal 115610160
10 Decimal 20385904
12 Duodecimal 69b1494
16 Hexadecimal 1371070
20 Vigesimal 6784f4
36 Base36 c4xv4

Cryptographic Hash Functions

md5 e5f255f7aa8657cdee2a71c326210387
sha1 a77e3405c2ea6ca51c8ed4f76c929d9faa7f311b
sha256 e0d62f6bb3e9c26f985bba0a87e676b040bbd2dff43ff7476033690928a413c7
sha512 f1cf48c8a9e199812c051afd7e7a2b5c7ec85418bd745a875ebf5463925701e944aeb6e4c0fd7a64cf57b55ae6b49ca726df967aaf83a630b83845f2b67bd5b2
ripemd-160 364397b9a7cd67824836b668b71ca4974e94383d

20385904 as geometric shapes

Circle

Radius = n
Diameter 40771808
Circumference 128088412.48637
Area 1.3055990402298E+15

Sphere

Radius = n
Volume 3.5487755595489E+22
Surface area 5.2223961609192E+15
Circumference 128088412.48637

Square

Length = n
Perimeter 81543616
Area 415585081897216
Diagonal 28830021.918036

Cube

Length = n
Surface area 2493510491383296
Volume 8.4720775833888E+21
Space diagonal 35309421.486222

Equilateral Triangle

Length = n
Perimeter 61157712
Area 1.7995361917841E+14
Altitude 17654710.743111

Triangular Pyramid

Length = n
Surface area 1.7995361917841E+14
Volume 9.9844391832546E+20
Height 9610007.306012