20028081 (number)

20028081 is an odd 8-digits composite number following 20028080 and preceding 20028082. In scientific notation, it is written as 2.0028081 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13125632 positive integers (up to 20028081) that are relatively prime to 20028081.

Interesting facts

Basic properties

Name

Name twenty million twenty-eight thousand eighty-one

Notation

Scientific notation 2.0028081 × 10^7
Engineering notation 2.0028081 × 10^6

Prime Factorization of 20028081

Prime Factorization 3 × 59 × 113153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20028081
Product of the distinct prime numbers

The prime factorization of 20028081 is 3 × 59 × 113153. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20028081)

Multiplication

n×y
n×2 40056162
n×3 60084243
n×4 80112324
n×5 100140405

Division

n÷y
n÷2 10014040.5
n÷3 6676027
n÷3 5007020.25
n÷5 4005616.2

Exponentiation

ny
n2 401124028542561
n3 8.0337445346967E+21
n4 1.6090048627421E+29
n5 3.2225279720393E+36

Nth Root

y√n
2√n 4475.2744049946
3√n 271.56874151782
4√n 66.897491769084
5√n 28.862096062664

Divisors of 20028081

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 -20028080
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 20028081 can be divided by 8 positive divisors. The sum of these divisors (counting 20028081) is 1, the average is 0.125.

Base conversion 20028081

Base System Value
2 Binary 1001100011001101010110001
3 Ternary 1101200112100210
4 Quaternary 1030121222301
5 Quinary 20111344311
6 Senary 1553134333
8 Octal 114315261
10 Decimal 20028081
12 Duodecimal 685a3a9
16 Hexadecimal 1319ab1
20 Vigesimal 653a41
36 Base36 bx9rl

Cryptographic Hash Functions

md5 00b7eba6c1856fc1ba15eb7151ac2bfd
sha1 1a191cf8ff9678dab2e1c25b065649a24bac14e0
sha256 b345541271b58d520a4e37046c8d8803daa901688634ce7f44e0ac742dbb4b67
sha512 d2a127308477b2ef1107762c412afdac4363a9cdf7dcee5733e24eebc5c9fbcb998950909380db82f64c3272d7da744d5a6a46fb4d86d394cc72f1c7fc6742f0
ripemd-160 78e1f6c3b22f76f96d94f9e4711edd21ab6d78e8

20028081 as geometric shapes

Circle

Radius = n
Diameter 40056162
Circumference 125840144.2702
Area 1.2601683012477E+15

Sphere

Radius = n
Volume 3.3651670414694E+22
Surface area 5.0406732049906E+15
Circumference 125840144.2702

Square

Length = n
Perimeter 80112324
Area 401124028542561
Diagonal 28323983.778507

Cube

Length = n
Surface area 2406744171255366
Volume 8.0337445346967E+21
Space diagonal 34689653.870105

Equilateral Triangle

Length = n
Perimeter 60084243
Area 1.7369179939311E+14
Altitude 17344826.935052

Triangular Pyramid

Length = n
Surface area 1.7369179939311E+14
Volume 9.4678587313407E+20
Height 9441327.926169