20028638 (number)

20028638 is an even 8-digits composite number following 20028637 and preceding 20028639. In scientific notation, it is written as 2.0028638 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 8583696 positive integers (up to 20028638) that are relatively prime to 20028638.

Interesting facts

Basic properties

Name

Name twenty million twenty-eight thousand six hundred thirty-eight

Notation

Scientific notation 2.0028638 × 10^7
Engineering notation 2.0028638 × 10^6

Prime Factorization of 20028638

Prime Factorization 2 × 7 × 1430617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20028638
Product of the distinct prime numbers

The prime factorization of 20028638 is 2 × 7 × 1430617. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20028638)

Multiplication

n×y
n×2 40057276
n×3 60085914
n×4 80114552
n×5 100143190

Division

n÷y
n÷2 10014319
n÷3 6676212.6666667
n÷3 5007159.5
n÷5 4005727.6

Exponentiation

ny
n2 401146340135044
n3 8.0344148315897E+21
n4 1.6091838620374E+29
n5 3.2229761048189E+36

Nth Root

y√n
2√n 4475.3366353829
3√n 271.57125902289
4√n 66.897956884967
5√n 28.862256597352

Divisors of 20028638

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 -20028637
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 20028638 can be divided by 8 positive divisors. The sum of these divisors (counting 20028638) is 1, the average is 0.125.

Base conversion 20028638

Base System Value
2 Binary 1001100011001110011011110
3 Ternary 1101200120010102
4 Quaternary 1030121303132
5 Quinary 20111404023
6 Senary 1553141102
8 Octal 114316336
10 Decimal 20028638
12 Duodecimal 685a792
16 Hexadecimal 1319cde
20 Vigesimal 653bbi
36 Base36 bxa72

Cryptographic Hash Functions

md5 d9603dae51ad300b9f38d4615ad9bad3
sha1 c983b7439a92ce9b69a8881843ec7e1bf8575de4
sha256 ac7e149b362e50a69baddeb754a20568f7e02fa4dec6ecc4a5518b9aa3c71b02
sha512 700eca00f64c5dbe6dd289c18a04c45be75e47a7c5b09296cc279e92aff02916513365ef00766c0efd9b04a64c5b663c2031d73323ca98df8a4306698800d2c4
ripemd-160 08c2fd154443889336394755eca36c6a33922d57

20028638 as geometric shapes

Circle

Radius = n
Diameter 40057276
Circumference 125843644.00442
Area 1.2602383951827E+15

Sphere

Radius = n
Volume 3.3654478147753E+22
Surface area 5.0409535807307E+15
Circumference 125843644.00442

Square

Length = n
Perimeter 80114552
Area 401146340135044
Diagonal 28324771.495461

Cube

Length = n
Surface area 2406878040810264
Volume 8.0344148315897E+21
Space diagonal 34690618.622405

Equilateral Triangle

Length = n
Perimeter 60085914
Area 1.7370146059605E+14
Altitude 17345309.311202

Triangular Pyramid

Length = n
Surface area 1.7370146059605E+14
Volume 9.4686486838047E+20
Height 9441590.498487