20145685 (number)

20145685 is an odd 8-digits composite number following 20145684 and preceding 20145686. In scientific notation, it is written as 2.0145685 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 13814160 positive integers (up to 20145685) that are relatively prime to 20145685.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145685 × 10^7
Engineering notation 2.0145685 × 10^6

Prime Factorization of 20145685

Prime Factorization 35 × 575591

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145685
Product of the distinct prime numbers

The prime factorization of 20145685 is 35 × 575591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145685)

Multiplication

n×y
n×2 40291370
n×3 60437055
n×4 80582740
n×5 100728425

Division

n÷y
n÷2 10072842.5
n÷3 6715228.3333333
n÷3 5036421.25
n÷5 4029137

Exponentiation

ny
n2 405848624119225
n3 8.1760985391893E+21
n4 1.6471310569947E+29
n5 3.3182583427932E+36

Nth Root

y√n
2√n 4488.3944790983
3√n 272.09925101283
4√n 66.995481034905
5√n 28.895912117755

Divisors of 20145685

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 -20145684
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 20145685 can be divided by 4 positive divisors. The sum of these divisors (counting 20145685) is 1, the average is 0.25.

Base conversion 20145685

Base System Value
2 Binary 1001100110110011000010101
3 Ternary 1101220111200111
4 Quaternary 1030312120111
5 Quinary 20124130220
6 Senary 1555443021
8 Octal 114663025
10 Decimal 20145685
12 Duodecimal 68b6471
16 Hexadecimal 1336615
20 Vigesimal 65i445
36 Base36 bzsid

Cryptographic Hash Functions

md5 47fbce2cf040a65cb3625e3e55b22f2e
sha1 26153ec93129f9e4b22e4af02e4ba636a4c434d3
sha256 873d6d920460ea847c6f31750f5358de0221aefce45c40d76771b1f3f95434fd
sha512 6b140f86cde7682a906b41678b10848ab1aa79521818ce062243e0e7f5a7eb532ac70e3526eb79934e7503008119b055ecd378b6ffbd2564a9f5f46c186ca9fd
ripemd-160 6218f7079c72b9ea0f4745c0d341ac4dcd5fee72

20145685 as geometric shapes

Circle

Radius = n
Diameter 40291370
Circumference 126579071.99507
Area 1.2750110560025E+15

Sphere

Radius = n
Volume 3.4247961474324E+22
Surface area 5.1000442240099E+15
Circumference 126579071.99507

Square

Length = n
Perimeter 80582740
Area 405848624119225
Diagonal 28490300.950296

Cube

Length = n
Surface area 2435091744715350
Volume 8.1760985391893E+21
Space diagonal 34893349.973278

Equilateral Triangle

Length = n
Perimeter 60437055
Area 1.7573760928911E+14
Altitude 17446674.986639

Triangular Pyramid

Length = n
Surface area 1.7573760928911E+14
Volume 9.635624534517E+20
Height 9496766.9834321