20187445 (number)

20187445 is an odd 8-digits composite number following 20187444 and preceding 20187446. In scientific notation, it is written as 2.0187445 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 15447696 positive integers (up to 20187445) that are relatively prime to 20187445.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0187445 × 10^7
Engineering notation 2.0187445 × 10^6

Prime Factorization of 20187445

Prime Factorization 5 × 23 × 175543

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20187445
Product of the distinct prime numbers

The prime factorization of 20187445 is 5 × 23 × 175543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187445)

Multiplication

n×y
n×2 40374890
n×3 60562335
n×4 80749780
n×5 100937225

Division

n÷y
n÷2 10093722.5
n÷3 6729148.3333333
n÷3 5046861.25
n÷5 4037489

Exponentiation

ny
n2 407532935628025
n3 8.2270487236793E+21
n4 1.660830936216E+29
n5 3.3527933179158E+36

Nth Root

y√n
2√n 4493.044068335
3√n 272.28713280801
4√n 67.030172820417
5√n 28.907881867015

Divisors of 20187445

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 -20187444
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 20187445 can be divided by 8 positive divisors. The sum of these divisors (counting 20187445) is 1, the average is 0.125.

Base conversion 20187445

Base System Value
2 Binary 1001101000000100100110101
3 Ternary 1101222121222011
4 Quaternary 1031000210311
5 Quinary 20131444240
6 Senary 2000404221
8 Octal 115004465
10 Decimal 20187445
12 Duodecimal 6916671
16 Hexadecimal 1340935
20 Vigesimal 6638c5
36 Base36 c0oqd

Cryptographic Hash Functions

md5 7615416e74b5371c38ec7e07dc799209
sha1 60c3d7dc76ddf4f8806c41d11c160f2213660b2c
sha256 e741942303916ef52ecf8d406c13b356de220e4cda4a85304e90e2b58f878326
sha512 791bf1b7b66beff0a1645e10559ac64b5d492e7512c2ea851e626a3b700c78065c6314e9c01e58e1b0411e2a976dcf6134f80f4d5823f272c941c5dc64d2b119
ripemd-160 a24fa285331ccfead5788367242fc8a05ab75728

20187445 as geometric shapes

Circle

Radius = n
Diameter 40374890
Circumference 126841457.8135
Area 1.2803024766649E+15

Sphere

Radius = n
Volume 3.4461381108048E+22
Surface area 5.1212099066595E+15
Circumference 126841457.8135

Square

Length = n
Perimeter 80749780
Area 407532935628025
Diagonal 28549358.508661

Cube

Length = n
Surface area 2445197613768150
Volume 8.2270487236793E+21
Space diagonal 34965680.415002

Equilateral Triangle

Length = n
Perimeter 60562335
Area 1.7646693756636E+14
Altitude 17482840.207501

Triangular Pyramid

Length = n
Surface area 1.7646693756636E+14
Volume 9.6956699027763E+20
Height 9516452.8362203