20128828 (number)

20128828 is an even 8-digits composite number following 20128827 and preceding 20128829. In scientific notation, it is written as 2.0128828 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 9416880 positive integers (up to 20128828) that are relatively prime to 20128828.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128828 × 10^7
Engineering notation 2.0128828 × 10^6

Prime Factorization of 20128828

Prime Factorization 2 × 2 × 19 × 83 × 3191

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10064414
Product of the distinct prime numbers

The prime factorization of 20128828 is 2 × 2 × 19 × 83 × 3191. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128828)

Multiplication

n×y
n×2 40257656
n×3 60386484
n×4 80515312
n×5 100644140

Division

n÷y
n÷2 10064414
n÷3 6709609.3333333
n÷3 5032207
n÷5 4025765.6

Exponentiation

ny
n2 405169716653584
n3 8.1555915373287E+21
n4 1.6416249929315E+29
n5 3.3043987123218E+36

Nth Root

y√n
2√n 4486.5162431446
3√n 272.02333637726
4√n 66.981461936453
5√n 28.891074739376

Divisors of 20128828

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 -20128827
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 20128828 can be divided by 24 positive divisors. The sum of these divisors (counting 20128828) is 1, the average is 0.041666666666667.

Base conversion 20128828

Base System Value
2 Binary 1001100110010010000111100
3 Ternary 1101212122120011
4 Quaternary 1030302100330
5 Quinary 20123110303
6 Senary 1555233004
8 Octal 114622074
10 Decimal 20128828
12 Duodecimal 68a8764
16 Hexadecimal 133243c
20 Vigesimal 65g218
36 Base36 bzfi4

Cryptographic Hash Functions

md5 a85473a871c8bab674fa3a40142b92c1
sha1 62ecf0f8a2c632279fe0a1431060e18094064636
sha256 4d2cab12275cfd40f4ebc27b1ba930df5b31f3865f4f9fda505d1db96f1cf8b5
sha512 e692e66e79ce5a426ae95d032a77d64267a374da406a10e06c5e858a247962b8d6c7d34acf3a63e17a1604331221787c20b6a372eeb840b31c7e6b9520feee26
ripemd-160 63337a3b0cafa1bdf1edb5ab51b743f49f078990

20128828 as geometric shapes

Circle

Radius = n
Diameter 40257656
Circumference 126473156.34035
Area 1.272878205296E+15

Sphere

Radius = n
Volume 3.4162061945801E+22
Surface area 5.0915128211838E+15
Circumference 126473156.34035

Square

Length = n
Perimeter 80515312
Area 405169716653584
Diagonal 28466461.552275

Cube

Length = n
Surface area 2431018299921504
Volume 8.1555915373287E+21
Space diagonal 34864152.792815

Equilateral Triangle

Length = n
Perimeter 60386484
Area 1.7544363373307E+14
Altitude 17432076.396408

Triangular Pyramid

Length = n
Surface area 1.7544363373307E+14
Volume 9.6114568010546E+20
Height 9488820.5174251