20021745 (number)

20021745 is an odd 8-digits composite number following 20021744 and preceding 20021746. In scientific notation, it is written as 2.0021745 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 10309824 positive integers (up to 20021745) that are relatively prime to 20021745.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand seven hundred forty-five

Notation

Scientific notation 2.0021745 × 10^7
Engineering notation 2.0021745 × 10^6

Prime Factorization of 20021745

Prime Factorization 29 × 3 × 5 × 46027

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20021745
Product of the distinct prime numbers

The prime factorization of 20021745 is 29 × 3 × 5 × 46027. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 16, 95, 647, 764, 2171, 1614, 49780, 70902, 255437, 996890, 4766973, 6263062, 53177044, 92787586, 508001874, 969634892, 7256558646, 6789268451

Basic calculations (n = 20021745)

Multiplication

n×y
n×2 40043490
n×3 60065235
n×4 80086980
n×5 100108725

Division

n÷y
n÷2 10010872.5
n÷3 6673915
n÷3 5005436.25
n÷5 4004349

Exponentiation

ny
n2 400870272845025
n3 8.0261223809835E+21
n4 1.6069697565084E+29
n5 3.2174338687524E+36

Nth Root

y√n
2√n 4474.5664594461
3√n 271.54010104672
4√n 66.89220028857
5√n 28.86026969312

Divisors of 20021745

1, 3, 5, 15, 29, 87, 145, 435, 46027, 138081, 230135, 690405, 1334783, 4004349, 6673915, 20021745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20021744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20021745 can be divided by 16 positive divisors. The sum of these divisors (counting 20021745) is 1, the average is 0.0625.

Base conversion 20021745

Base System Value
2 Binary 1001100011000000111110001
3 Ternary 1101200012200010
4 Quaternary 1030120013301
5 Quinary 20111143440
6 Senary 1553045133
8 Octal 114300761
10 Decimal 20021745
12 Duodecimal 68567a9
16 Hexadecimal 13181f1
20 Vigesimal 652e75
36 Base36 bx4vl

Cryptographic Hash Functions

md5 306f1ac6fe6f7e3421bd329f474baa78
sha1 ce310069f9f0bf28dfde47b99c5ba46d5136c706
sha256 aa7b1075bd8f1b46b4388790711e40e5dd88d3da69ffaa5a70e26536f1af4aac
sha512 079dd63e63c6c3e8f272aaea798d0407d177f877f0463af2769d6f90151c2da49b5484d4047b00c1b5654e4cbc8312db98f6e76500601986cc5c50c7b01e24b3
ripemd-160 c141be18bb26bc709795ed6b1140aac4f6e5fdd4

20021745 as geometric shapes

Circle

Radius = n
Diameter 40043490
Circumference 125800334.0081
Area 1.2593711042125E+15

Sphere

Radius = n
Volume 3.3619742811881E+22
Surface area 5.0374844168499E+15
Circumference 125800334.0081

Square

Length = n
Perimeter 80086980
Area 400870272845025
Diagonal 28315023.321376

Cube

Length = n
Surface area 2405221637070150
Volume 8.0261223809835E+21
Space diagonal 34678679.596188

Equilateral Triangle

Length = n
Perimeter 60065235
Area 1.735819199529E+14
Altitude 17339339.798094

Triangular Pyramid

Length = n
Surface area 1.735819199529E+14
Volume 9.4588759370443E+20
Height 9438341.1071252