20028487 (number)

20028487 is an odd 8-digits composite number following 20028486 and preceding 20028488. In scientific notation, it is written as 2.0028487 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20018440 positive integers (up to 20028487) that are relatively prime to 20028487.

Interesting facts

Basic properties

Name

Name twenty million twenty-eight thousand four hundred eighty-seven

Notation

Scientific notation 2.0028487 × 10^7
Engineering notation 2.0028487 × 10^6

Prime Factorization of 20028487

Prime Factorization 7307 × 2741

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20028487
Product of the distinct prime numbers

The prime factorization of 20028487 is 7307 × 2741. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20028487)

Multiplication

n×y
n×2 40056974
n×3 60085461
n×4 80113948
n×5 100142435

Division

n÷y
n÷2 10014243.5
n÷3 6676162.3333333
n÷3 5007121.75
n÷5 4005697.4

Exponentiation

ny
n2 401140291509169
n3 8.0342331136676E+21
n4 1.6091353347206E+29
n5 3.2228546132692E+36

Nth Root

y√n
2√n 4475.3197651118
3√n 271.57057654408
4√n 66.897830795264
5√n 28.86221307753

Divisors of 20028487

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20028486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20028487 can be divided by 4 positive divisors. The sum of these divisors (counting 20028487) is 1, the average is 0.25.

Base conversion 20028487

Base System Value
2 Binary 1001100011001110001000111
3 Ternary 1101200112220211
4 Quaternary 1030121301013
5 Quinary 20111402422
6 Senary 1553140251
8 Octal 114316107
10 Decimal 20028487
12 Duodecimal 685a687
16 Hexadecimal 1319c47
20 Vigesimal 653b47
36 Base36 bxa2v

Cryptographic Hash Functions

md5 1f2ad02adb53c1be46285a187f906edf
sha1 8b007387a43538495cbd8be942e0f3328166efcc
sha256 af1c0ae11da03909e3d04a9309fa876bcbc6ab8aaec38d2a69214cd0849c4b5a
sha512 08f99cbea6476448c4ebdb5e058dcf24b3365aa68aa20ff70bb624acd4dbf19cacceaba9cf24e9c19029e276ad45490160df4853624df5a313742d77d9b16471
ripemd-160 93d540f79aa843aa7ac515067d185368f50b8de6

20028487 as geometric shapes

Circle

Radius = n
Diameter 40056974
Circumference 125842695.24344
Area 1.2602193928641E+15

Sphere

Radius = n
Volume 3.3653716969501E+22
Surface area 5.0408775714563E+15
Circumference 125842695.24344

Square

Length = n
Perimeter 80113948
Area 401140291509169
Diagonal 28324557.949213

Cube

Length = n
Surface area 2406841749055014
Volume 8.0342331136676E+21
Space diagonal 34690357.082733

Equilateral Triangle

Length = n
Perimeter 60085461
Area 1.7369884146422E+14
Altitude 17345178.541366

Triangular Pyramid

Length = n
Surface area 1.7369884146422E+14
Volume 9.4684345271798E+20
Height 9441519.3164044