20128732 (number)

20128732 is an even 8-digits composite number following 20128731 and preceding 20128733. In scientific notation, it is written as 2.0128732 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 9249216 positive integers (up to 20128732) that are relatively prime to 20128732.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128732 × 10^7
Engineering notation 2.0128732 × 10^6

Prime Factorization of 20128732

Prime Factorization 2 × 2 × 13 × 1439 × 269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10064366
Product of the distinct prime numbers

The prime factorization of 20128732 is 2 × 2 × 13 × 1439 × 269. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128732)

Multiplication

n×y
n×2 40257464
n×3 60386196
n×4 80514928
n×5 100643660

Division

n÷y
n÷2 10064366
n÷3 6709577.3333333
n÷3 5032183
n÷5 4025746.4

Exponentiation

ny
n2 405165851927824
n3 8.1554748490069E+21
n4 1.641593675684E+29
n5 3.3043199150738E+36

Nth Root

y√n
2√n 4486.5055444076
3√n 272.02290392482
4√n 66.981382072988
5√n 28.891047181403

Divisors of 20128732

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128731
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128732 can be divided by 24 positive divisors. The sum of these divisors (counting 20128732) is 1, the average is 0.041666666666667.

Base conversion 20128732

Base System Value
2 Binary 1001100110010001111011100
3 Ternary 1101212122102121
4 Quaternary 1030302033130
5 Quinary 20123104412
6 Senary 1555232324
8 Octal 114621734
10 Decimal 20128732
12 Duodecimal 68a86a4
16 Hexadecimal 13323dc
20 Vigesimal 65g1gc
36 Base36 bzffg

Cryptographic Hash Functions

md5 b94fd56f19e4041f9a1bdf09996c7ff0
sha1 04f6cbb3fd65c78d5a49ad67269d71d7ab2c9fd2
sha256 2138e23a193053341f6fdc14b3ccbd4a146f072afc682c090ced4590aebd8b2d
sha512 8b754165b105f978937341a907ccc7e3dcedf5759fc1f40b079add0c0f8d17ee5f938bfecb7b418e47eaa315442e57f3e1759658400c775ac91bfde85ef8f10a
ripemd-160 57438c2544d1bdee14d0dbb7955e2897426320bb

20128732 as geometric shapes

Circle

Radius = n
Diameter 40257464
Circumference 126472553.15456
Area 1.2728660639019E+15

Sphere

Radius = n
Volume 3.4161573162902E+22
Surface area 5.0914642556076E+15
Circumference 126472553.15456

Square

Length = n
Perimeter 80514928
Area 405165851927824
Diagonal 28466325.787773

Cube

Length = n
Surface area 2430995111566944
Volume 8.1554748490069E+21
Space diagonal 34863986.515937

Equilateral Triangle

Length = n
Perimeter 60386196
Area 1.7544196025773E+14
Altitude 17431993.257969

Triangular Pyramid

Length = n
Surface area 1.7544196025773E+14
Volume 9.6113192825485E+20
Height 9488775.2625911