20128750 (number)

20128750 is an even 8-digits composite number following 20128749 and preceding 20128751. In scientific notation, it is written as 2.0128750 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors. There are 8051000 positive integers (up to 20128750) that are relatively prime to 20128750.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128750 × 10^7
Engineering notation 2.0128750 × 10^6

Prime Factorization of 20128750

Prime Factorization 2 × 5 × 5 × 5 × 5 × 16103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 161030
Product of the distinct prime numbers

The prime factorization of 20128750 is 2 × 5 × 5 × 5 × 5 × 16103. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 4, 42, 62, 103, 510, 7270, 6488, 50141, 31653, 206433, 90517, 9657977, 6851126, 67593443, 45433502, 362756302, 960960100, 3555285652, 4729127263

Basic calculations (n = 20128750)

Multiplication

n×y
n×2 40257500
n×3 60386250
n×4 80515000
n×5 100643750

Division

n÷y
n÷2 10064375
n÷3 6709583.3333333
n÷3 5032187.5
n÷5 4025750

Exponentiation

ny
n2 405166576562500
n3 8.1554967279824E+21
n4 1.6415995476338E+29
n5 3.3043346894433E+36

Nth Root

y√n
2√n 4486.5075504227
3√n 272.02298500976
4√n 66.981397047409
5√n 28.891052348531

Divisors of 20128750

1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16103, 32206, 80515, 161030, 402575, 805150, 2012875, 4025750, 10064375, 20128750

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128749
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128750 can be divided by 20 positive divisors. The sum of these divisors (counting 20128750) is 1, the average is 0.05.

Base conversion 20128750

Base System Value
2 Binary 1001100110010001111101110
3 Ternary 1101212122110021
4 Quaternary 1030302033232
5 Quinary 20123110000
6 Senary 1555232354
8 Octal 114621756
10 Decimal 20128750
12 Duodecimal 68a86ba
16 Hexadecimal 13323ee
20 Vigesimal 65g1ha
36 Base36 bzffy

Cryptographic Hash Functions

md5 0150ea2aef1d7349c30d125be34d188f
sha1 ede5b0b8d758fefeb3411dd1dd67586fb6092e28
sha256 1c185cf2f675428e83bb796733e1066890217a76479687f986d4b0441526ed20
sha512 4745546e23ed1c722b735ce8e4d53da106fa86f614701eb4f17dea94ec9c67f9ffac83236048168c93a2c8627af732def5a9d80aa60daa6d2282ee173747c85c
ripemd-160 7b801e9ace8067ec25e3b143e965ac801358a0c5

20128750 as geometric shapes

Circle

Radius = n
Diameter 40257500
Circumference 126472666.25189
Area 1.2728683404089E+15

Sphere

Radius = n
Volume 3.416166480934E+22
Surface area 5.0914733616355E+15
Circumference 126472666.25189

Square

Length = n
Perimeter 80515000
Area 405166576562500
Diagonal 28466351.243617

Cube

Length = n
Surface area 2430999459375000
Volume 8.1554967279824E+21
Space diagonal 34864017.692852

Equilateral Triangle

Length = n
Perimeter 60386250
Area 1.7544227403375E+14
Altitude 17432008.846426

Triangular Pyramid

Length = n
Surface area 1.7544227403375E+14
Volume 9.6113450671685E+20
Height 9488783.7478725