20509920 (number)

20509920 is an even 8-digits composite number following 20509919 and preceding 20509921. In scientific notation, it is written as 2.0509920 × 10^7. The sum of its digits is 27. It has a total of 9 prime factors and 72 positive divisors. There are 5468928 positive integers (up to 20509920) that are relatively prime to 20509920.

Interesting facts

Basic properties

Name

Name twenty million five hundred nine thousand nine hundred twenty

Notation

Scientific notation 2.0509920 × 10^7
Engineering notation 2.0509920 × 10^6

Prime Factorization of 20509920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 3 × 3 × 14243

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 427290
Product of the distinct prime numbers

The prime factorization of 20509920 is 2 × 2 × 2 × 2 × 2 × 5 × 3 × 3 × 14243. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20509920)

Multiplication

n×y
n×2 41019840
n×3 61529760
n×4 82039680
n×5 102549600

Division

n÷y
n÷2 10254960
n÷3 6836640
n÷3 5127480
n÷5 4101984

Exponentiation

ny
n2 420656818406400
n3 8.6276376929698E+21
n4 1.7695215887179E+29
n5 3.6292746222878E+36

Nth Root

y√n
2√n 4528.787917313
3√n 273.72932226375
4√n 67.296269713209
5√n 28.999652463602

Divisors of 20509920

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20509919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20509920 can be divided by 72 positive divisors. The sum of these divisors (counting 20509920) is 1, the average is 0.013888888888889.

Base conversion 20509920

Base System Value
2 Binary 1001110001111010011100000
3 Ternary 1102121000022200
4 Quaternary 1032033103200
5 Quinary 20222304140
6 Senary 2011333200
8 Octal 116172340
10 Decimal 20509920
12 Duodecimal 6a51200
16 Hexadecimal 138f4e0
20 Vigesimal 683eg0
36 Base36 c7lk0

Cryptographic Hash Functions

md5 729e602d2b311edfd8b1d5afac83f2dd
sha1 397871708d6d272022df36ac19ccef14c674a47c
sha256 25ff535e9083f634375a651c7a9ccefdd5a6bd030726396efe083b4e6924e29b
sha512 fef419ff92d88354d9ae18afbab22f90f893086bcbe97723432b1c90036c22333666fa18f38cb800bc2709a9ca0dce9e793bea2451f5707060f961a361b0dc7a
ripemd-160 bf9458faf2066e56d7834c95d960296f4e4f3339

20509920 as geometric shapes

Circle

Radius = n
Diameter 41019840
Circumference 128867627.99543
Area 1.321532370388E+15

Sphere

Radius = n
Volume 3.6139364258758E+22
Surface area 5.286129481552E+15
Circumference 128867627.99543

Square

Length = n
Perimeter 82039680
Area 420656818406400
Diagonal 29005407.027187

Cube

Length = n
Surface area 2523940910438400
Volume 8.6276376929698E+21
Space diagonal 35524223.499173

Equilateral Triangle

Length = n
Perimeter 61529760
Area 1.8214974550754E+14
Altitude 17762111.749587

Triangular Pyramid

Length = n
Surface area 1.8214974550754E+14
Volume 1.0167768530533E+21
Height 9668469.0090624