20443645 (number)

20443645 is an odd 8-digits composite number following 20443644 and preceding 20443646. In scientific notation, it is written as 2.0443645 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16329936 positive integers (up to 20443645) that are relatively prime to 20443645.

Interesting facts

Basic properties

Name

Name twenty million four hundred forty-three thousand six hundred forty-five

Notation

Scientific notation 2.0443645 × 10^7
Engineering notation 2.0443645 × 10^6

Prime Factorization of 20443645

Prime Factorization 5 × 5503 × 743

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20443645
Product of the distinct prime numbers

The prime factorization of 20443645 is 5 × 5503 × 743. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 3, 78, 12, 687, 673, 9960, 2854, 8377, 1926, 625454, 165820, 6095740, 1501933, 51677526, 87604793, 729709503, 525390327, 3749707058, 2696172684

Basic calculations (n = 20443645)

Multiplication

n×y
n×2 40887290
n×3 61330935
n×4 81774580
n×5 102218225

Division

n÷y
n÷2 10221822.5
n÷3 6814548.3333333
n÷3 5110911.25
n÷5 4088729

Exponentiation

ny
n2 417942620886025
n3 8.5442705717635E+21
n4 1.7467603435308E+29
n5 3.5710148363222E+36

Nth Root

y√n
2√n 4521.4649174797
3√n 273.43416449809
4√n 67.241839039989
5√n 28.980886510304

Divisors of 20443645

1, 5, 743, 3715, 5503, 27515, 4088729, 20443645

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20443644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20443645 can be divided by 8 positive divisors. The sum of these divisors (counting 20443645) is 1, the average is 0.125.

Base conversion 20443645

Base System Value
2 Binary 1001101111111000111111101
3 Ternary 1102110122102001
4 Quaternary 1031333013331
5 Quinary 20213144040
6 Senary 2010102301
8 Octal 115770775
10 Decimal 20443645
12 Duodecimal 6a1a991
16 Hexadecimal 137f1fd
20 Vigesimal 67f925
36 Base36 c66f1

Cryptographic Hash Functions

md5 60ec16f535267026a03f889c52907afb
sha1 917806e1ad9a265260ae4f4c4b656ace054a899a
sha256 007d16e4b3f83d8e521499e32a03632ddffb8aa2fefe38e4e2025c4c2d7dbd2d
sha512 92a308ab214e973012cf34d75bf2eade44cf431b3a881e2253dc2ca100f83a6313723af8bd27b77d81da185b63f58f172f79b9dcf547a324ba09c0e553e14fad
ripemd-160 80fedb7e2a3606f45086ab550406a798ef270047

20443645 as geometric shapes

Circle

Radius = n
Diameter 40887290
Circumference 128451209.8892
Area 1.3130054673976E+15

Sphere

Radius = n
Volume 3.5790156878047E+22
Surface area 5.2520218695904E+15
Circumference 128451209.8892

Square

Length = n
Perimeter 81774580
Area 417942620886025
Diagonal 28911680.023341

Cube

Length = n
Surface area 2507655725316150
Volume 8.5442705717635E+21
Space diagonal 35409431.831901

Equilateral Triangle

Length = n
Perimeter 61330935
Area 1.8097446350577E+14
Altitude 17704715.915951

Triangular Pyramid

Length = n
Surface area 1.8097446350577E+14
Volume 1.0069519435978E+21
Height 9637226.674447