20128900 (number)

20128900 is an even 8-digits composite number following 20128899 and preceding 20128901. In scientific notation, it is written as 2.0128900 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 36 positive divisors. There are 7056000 positive integers (up to 20128900) that are relatively prime to 20128900.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand nine hundred

Notation

Scientific notation 2.0128900 × 10^7
Engineering notation 2.0128900 × 10^6

Prime Factorization of 20128900

Prime Factorization 2 × 2 × 5 × 319 × 5 × 631

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2012890
Product of the distinct prime numbers

The prime factorization of 20128900 is 2 × 2 × 5 × 319 × 5 × 631. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 5, 15, 49, 493, 887, 2622, 9510, 20225, 92577, 571734, 532498, 6592263, 3003971, 40517937, 62067523, 124653572, 50592619, 6754472404, 5696432344

Basic calculations (n = 20128900)

Multiplication

n×y
n×2 40257800
n×3 60386700
n×4 80515600
n×5 100644500

Division

n÷y
n÷2 10064450
n÷3 6709633.3333333
n÷3 5032225
n÷5 4025780

Exponentiation

ny
n2 405172615210000
n3 8.1556790543006E+21
n4 1.6416484811611E+29
n5 3.3044578112444E+36

Nth Root

y√n
2√n 4486.5242671806
3√n 272.02366071568
4√n 66.981521833865
5√n 28.891095407786

Divisors of 20128900

1, 2, 4, 5, 10, 20, 25, 50, 100, 319, 631, 638, 1262, 1276, 1595, 2524, 3155, 3190, 6310, 6380, 7975, 12620, 15775, 15950, 31550, 31900, 63100, 201289, 402578, 805156, 1006445, 2012890, 4025780, 5032225, 10064450, 20128900

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128900 can be divided by 36 positive divisors. The sum of these divisors (counting 20128900) is 1, the average is 0.027777777777778.

Base conversion 20128900

Base System Value
2 Binary 1001100110010010010000100
3 Ternary 1101212122122211
4 Quaternary 1030302102010
5 Quinary 20123111100
6 Senary 1555233204
8 Octal 114622204
10 Decimal 20128900
12 Duodecimal 68a8804
16 Hexadecimal 1332484
20 Vigesimal 65g250
36 Base36 bzfk4

Cryptographic Hash Functions

md5 f890562203f4a133a1ef792d863b6fd7
sha1 b2f4954648d5094c5ffee388e9871db8a3ce3777
sha256 57bde98a9d5f39d394f1da701a790d3acce119ea703e19555157afe821509448
sha512 eec3cafaeb0237710feb966bb6c239040729b7cde704c472834415844f0cde85b8bf5ea53f2bccc0621b76250a96e95c372f0069a9ff555c73a2bf8c5e46f1d9
ripemd-160 251f50e57645adc8b3b86a027a0f4e743219e849

20128900 as geometric shapes

Circle

Radius = n
Diameter 40257800
Circumference 126473608.72969
Area 1.2728873113795E+15

Sphere

Radius = n
Volume 3.4162428536036E+22
Surface area 5.091549245518E+15
Circumference 126473608.72969

Square

Length = n
Perimeter 80515600
Area 405172615210000
Diagonal 28466563.375652

Cube

Length = n
Surface area 2431035691260000
Volume 8.1556790543006E+21
Space diagonal 34864277.500473

Equilateral Triangle

Length = n
Perimeter 60386700
Area 1.7544488884482E+14
Altitude 17432138.750237

Triangular Pyramid

Length = n
Surface area 1.7544488884482E+14
Volume 9.611559940795E+20
Height 9488854.4585506