20685045 (number)

20685045 is an odd 8-digits composite number following 20685044 and preceding 20685046. In scientific notation, it is written as 2.0685045 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 11032016 positive integers (up to 20685045) that are relatively prime to 20685045.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand forty-five

Notation

Scientific notation 2.0685045 × 10^7
Engineering notation 2.0685045 × 10^6

Prime Factorization of 20685045

Prime Factorization 15 × 1379003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20685045
Product of the distinct prime numbers

The prime factorization of 20685045 is 15 × 1379003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685045)

Multiplication

n×y
n×2 41370090
n×3 62055135
n×4 82740180
n×5 103425225

Division

n÷y
n÷2 10342522.5
n÷3 6895015
n÷3 5171261.25
n÷5 4137009

Exponentiation

ny
n2 427871086652025
n3 8.850532681596E+21
n4 1.8307366679278E+29
n5 3.7868870359238E+36

Nth Root

y√n
2√n 4548.0814636504
3√n 274.50619924222
4√n 67.439465179154
5√n 29.04900718601

Divisors of 20685045

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 -20685044
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 20685045 can be divided by 4 positive divisors. The sum of these divisors (counting 20685045) is 1, the average is 0.25.

Base conversion 20685045

Base System Value
2 Binary 1001110111010000011110101
3 Ternary 1102220220112210
4 Quaternary 1032322003311
5 Quinary 20243410140
6 Senary 2015204033
8 Octal 116720365
10 Decimal 20685045
12 Duodecimal 6b16619
16 Hexadecimal 13ba0f5
20 Vigesimal 695cc5
36 Base36 cbcol

Cryptographic Hash Functions

md5 587d9e16169956130ff50b93ddd5283b
sha1 1a672d4372c75673fd6584a6c15701f615d6c0f3
sha256 4e07ff72d97131b99648dd4ea830e9a833f85c0c2a082cc211025f8cd97a7b06
sha512 b36cf1df38daee43fd8b6770c40579f2555b72bc9aca5072f6e3865213babe4a651868e2e4fff90eb0ed5b6cb09f69da860626b43cb161a1f4b25019088eb9e8
ripemd-160 35b552d5581fb7be1f50bdfe0a30dc97e38c2f8e

20685045 as geometric shapes

Circle

Radius = n
Diameter 41370090
Circumference 129967970.82235
Area 1.3441966625095E+15

Sphere

Radius = n
Volume 3.7073024603811E+22
Surface area 5.3767866500379E+15
Circumference 129967970.82235

Square

Length = n
Perimeter 82740180
Area 427871086652025
Diagonal 29253071.177298

Cube

Length = n
Surface area 2567226519912150
Volume 8.850532681596E+21
Space diagonal 35827548.896849

Equilateral Triangle

Length = n
Perimeter 62055135
Area 1.8527361529275E+14
Altitude 17913774.448424

Triangular Pyramid

Length = n
Surface area 1.8527361529275E+14
Volume 1.0430452793783E+21
Height 9751023.7257659