20130728 (number)

20130728 is an even 8-digits composite number following 20130727 and preceding 20130729. In scientific notation, it is written as 2.0130728 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors. There are 9535536 positive integers (up to 20130728) that are relatively prime to 20130728.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand seven hundred twenty-eight

Notation

Scientific notation 2.0130728 × 10^7
Engineering notation 2.0130728 × 10^6

Prime Factorization of 20130728

Prime Factorization 2 × 2 × 2 × 19 × 132439

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5032682
Product of the distinct prime numbers

The prime factorization of 20130728 is 2 × 2 × 2 × 19 × 132439. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 1, 15, 39, 381, 308, 8269, 6282, 28561, 4230, 619383, 627901, 7042240, 6945142, 6559164, 34844121, 383527514, 893340935, 3657632875, 907259399

Basic calculations (n = 20130728)

Multiplication

n×y
n×2 40261456
n×3 60392184
n×4 80522912
n×5 100653640

Division

n÷y
n÷2 10065364
n÷3 6710242.6666667
n÷3 5032682
n÷5 4026145.6

Exponentiation

ny
n2 405246209809984
n3 8.1579012227157E+21
n4 1.6422449056536E+29
n5 3.3059585505098E+36

Nth Root

y√n
2√n 4486.7279837316
3√n 272.03189504873
4√n 66.983042508769
5√n 28.891620135953

Divisors of 20130728

1, 2, 4, 8, 19, 38, 76, 152, 132439, 264878, 529756, 1059512, 2516341, 5032682, 10065364, 20130728

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 -20130727
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 20130728 can be divided by 16 positive divisors. The sum of these divisors (counting 20130728) is 1, the average is 0.0625.

Base conversion 20130728

Base System Value
2 Binary 1001100110010101110101000
3 Ternary 1101212202011112
4 Quaternary 1030302232220
5 Quinary 20123140403
6 Senary 1555245452
8 Octal 114625650
10 Decimal 20130728
12 Duodecimal 68a9888
16 Hexadecimal 1332ba8
20 Vigesimal 65g6g8
36 Base36 bzgyw

Cryptographic Hash Functions

md5 52efc37aa14942488a8588d257e9aabc
sha1 f347f0e8639b88ab60e3fa6fd7e0a9fe77305926
sha256 9f311c2e06dc1096f66a46e40109e8b2c84e6444b572f29363017bcfee90baad
sha512 625ff035bd8a7296b898cd1d9be245542fb4e889db088de505c49abbebdc5b70d9ee33550220ffe2621bb70f3546bc00d5add8251c46e760754c00206b3ece10
ripemd-160 99a9a91b1b08b1c3e02e9a0bc5db7540f680c36e

20130728 as geometric shapes

Circle

Radius = n
Diameter 40261456
Circumference 126485094.39243
Area 1.2731185156342E+15

Sphere

Radius = n
Volume 3.4171736733327E+22
Surface area 5.0924740625366E+15
Circumference 126485094.39243

Square

Length = n
Perimeter 80522912
Area 405246209809984
Diagonal 28469148.558044

Cube

Length = n
Surface area 2431477258859904
Volume 8.1579012227157E+21
Space diagonal 34867443.689349

Equilateral Triangle

Length = n
Perimeter 60392184
Area 1.754767562414E+14
Altitude 17433721.844675

Triangular Pyramid

Length = n
Surface area 1.754767562414E+14
Volume 9.6141787913872E+20
Height 9489716.1860146