20045390 (number)

20045390 is an even 8-digits composite number following 20045389 and preceding 20045391. In scientific notation, it is written as 2.0045390 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 8018152 positive integers (up to 20045390) that are relatively prime to 20045390.

Interesting facts

Basic properties

Name

Name twenty million forty-five thousand three hundred ninety

Notation

Scientific notation 2.0045390 × 10^7
Engineering notation 2.0045390 × 10^6

Prime Factorization of 20045390

Prime Factorization 2 × 5 × 2004539

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20045390
Product of the distinct prime numbers

The prime factorization of 20045390 is 2 × 5 × 2004539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20045390)

Multiplication

n×y
n×2 40090780
n×3 60136170
n×4 80181560
n×5 100226950

Division

n÷y
n÷2 10022695
n÷3 6681796.6666667
n÷3 5011347.5
n÷5 4009078

Exponentiation

ny
n2 401817660252100
n3 8.0545917086408E+21
n4 1.6145743209047E+29
n5 3.236477194652E+36

Nth Root

y√n
2√n 4477.2078352473
3√n 271.64695220374
4√n 66.91194090181
5√n 28.867083074752

Divisors of 20045390

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 -20045389
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 20045390 can be divided by 8 positive divisors. The sum of these divisors (counting 20045390) is 1, the average is 0.125.

Base conversion 20045390

Base System Value
2 Binary 1001100011101111001001110
3 Ternary 1101201102002212
4 Quaternary 1030131321032
5 Quinary 20112423030
6 Senary 1553350422
8 Octal 114357116
10 Decimal 20045390
12 Duodecimal 6868412
16 Hexadecimal 131de4e
20 Vigesimal 655d9a
36 Base36 bxn4e

Cryptographic Hash Functions

md5 83ef3edc8d0f20fda5e04886e557dd85
sha1 a2f1c6ff5eaeed2ba5d43503d6ca8706680d635c
sha256 993f1d8f7e2fe0eea29765d084bab3365f5363d57bdd0729d8dc9d907d162603
sha512 ac341c5bf6941ec34691cfa02fb689c1de0d94ccdf7838ed80159deecb0ea4d8f2b92f6caec74987a74892d7ff2909b77fbe432216fa4522c3b9f1a86b340a0e
ripemd-160 1a12f4a4fc9e021c7dcd0169be358313d66cfc01

20045390 as geometric shapes

Circle

Radius = n
Diameter 40090780
Circumference 125948899.92468
Area 1.2623474095306E+15

Sphere

Radius = n
Volume 3.3738994852708E+22
Surface area 5.0493896381225E+15
Circumference 125948899.92468

Square

Length = n
Perimeter 80181560
Area 401817660252100
Diagonal 28348462.401058

Cube

Length = n
Surface area 2410905961512600
Volume 8.0545917086408E+21
Space diagonal 34719633.937533

Equilateral Triangle

Length = n
Perimeter 60136170
Area 1.7399215073377E+14
Altitude 17359816.968767

Triangular Pyramid

Length = n
Surface area 1.7399215073377E+14
Volume 9.4924273614481E+20
Height 9449487.4670193