20128768 (number)

20128768 is an even 8-digits composite number following 20128767 and preceding 20128769. In scientific notation, it is written as 2.0128768 × 10^7. The sum of its digits is 34. It has a total of 12 prime factors and 44 positive divisors. There are 9144320 positive integers (up to 20128768) that are relatively prime to 20128768.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128768 × 10^7
Engineering notation 2.0128768 × 10^6

Prime Factorization of 20128768

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 1787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 39314
Product of the distinct prime numbers

The prime factorization of 20128768 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 1787. Since it has a total of 12 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128768)

Multiplication

n×y
n×2 40257536
n×3 60386304
n×4 80515072
n×5 100643840

Division

n÷y
n÷2 10064384
n÷3 6709589.3333333
n÷3 5032192
n÷5 4025753.6

Exponentiation

ny
n2 405167301197824
n3 8.1555186069971E+21
n4 1.6416054195993E+29
n5 3.3043494638657E+36

Nth Root

y√n
2√n 4486.5095564369
3√n 272.02306609465
4√n 66.981412021821
5√n 28.891057515655

Divisors of 20128768

44 divisors

τ Total Divisors 44
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.022727272727273
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 44
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128768 can be divided by 44 positive divisors. The sum of these divisors (counting 20128768) is 1, the average is 0.022727272727273.

Base conversion 20128768

Base System Value
2 Binary 1001100110010010000000000
3 Ternary 1101212122110221
4 Quaternary 1030302100000
5 Quinary 20123110033
6 Senary 1555232424
8 Octal 114622000
10 Decimal 20128768
12 Duodecimal 68a8714
16 Hexadecimal 1332400
20 Vigesimal 65g1i8
36 Base36 bzfgg

Cryptographic Hash Functions

md5 03f672c326bc54dd8e33a58989216c6f
sha1 2537ef484e9193dbf13ce89e07c1db4397942158
sha256 160e81b19fd9650d76aa30385075128b4ecf4ebb049e91c636dca0da7d968e6e
sha512 e7dd77a229b0503953d042e598836959cc076fe8d4a244cb67e60639ffef1d41d09486b8aba8e3e270b4aa825f982bafcc3e1ad62eab478b2e5e1a2e7e69f04e
ripemd-160 8fbe0946f52dad161552af4130714962d84b6106

20128768 as geometric shapes

Circle

Radius = n
Diameter 40257536
Circumference 126472779.34923
Area 1.2728706169179E+15

Sphere

Radius = n
Volume 3.4161756455943E+22
Surface area 5.0914824676715E+15
Circumference 126472779.34923

Square

Length = n
Perimeter 80515072
Area 405167301197824
Diagonal 28466376.699462

Cube

Length = n
Surface area 2431003807186944
Volume 8.1555186069971E+21
Space diagonal 34864048.869767

Equilateral Triangle

Length = n
Perimeter 60386304
Area 1.7544258781005E+14
Altitude 17432024.434883

Triangular Pyramid

Length = n
Surface area 1.7544258781005E+14
Volume 9.6113708518346E+20
Height 9488792.2331539