20128946 (number)

20128946 is an even 8-digits composite number following 20128945 and preceding 20128947. In scientific notation, it is written as 2.0128946 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10064472 positive integers (up to 20128946) that are relatively prime to 20128946.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand nine hundred forty-six

Notation

Scientific notation 2.0128946 × 10^7
Engineering notation 2.0128946 × 10^6

Prime Factorization of 20128946

Prime Factorization 2 × 10064473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20128946
Product of the distinct prime numbers

The prime factorization of 20128946 is 2 × 10064473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128946)

Multiplication

n×y
n×2 40257892
n×3 60386838
n×4 80515784
n×5 100644730

Division

n÷y
n÷2 10064473
n÷3 6709648.6666667
n÷3 5032236.5
n÷5 4025789.2

Exponentiation

ny
n2 405174467070916
n3 8.1557349682492E+21
n4 1.641663487662E+29
n5 3.304495569332E+36

Nth Root

y√n
2√n 4486.5293936405
3√n 272.02386793149
4√n 66.981560101572
5√n 28.891108612573

Divisors of 20128946

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128946 can be divided by 4 positive divisors. The sum of these divisors (counting 20128946) is 1, the average is 0.25.

Base conversion 20128946

Base System Value
2 Binary 1001100110010010010110010
3 Ternary 1101212122201112
4 Quaternary 1030302102302
5 Quinary 20123111241
6 Senary 1555233322
8 Octal 114622262
10 Decimal 20128946
12 Duodecimal 68a8842
16 Hexadecimal 13324b2
20 Vigesimal 65g276
36 Base36 bzfle

Cryptographic Hash Functions

md5 d81f907d4cc8350e803925683bf6d5c0
sha1 2cc21c2c4e6d2bf9d70a15fe0333fa0892d2a9b5
sha256 8bb11c7891d503bfc5a2e0616167b2d3302bebb85a2e13238117387abc64da67
sha512 1779a19ecdfb67d7f19bf19747744c620ec5cc805385e4f025c6e35ac36c0acc87fc1e2befd927d432f70edb43bde2c3de7310c39ab5386520ce2e0007edf6f0
ripemd-160 1dc9bc8f31dc58d5cf0d35d823574f88efab2af3

20128946 as geometric shapes

Circle

Radius = n
Diameter 40257892
Circumference 126473897.75621
Area 1.2728931291721E+15

Sphere

Radius = n
Volume 3.4162662747836E+22
Surface area 5.0915725166886E+15
Circumference 126473897.75621

Square

Length = n
Perimeter 80515784
Area 405174467070916
Diagonal 28466628.429476

Cube

Length = n
Surface area 2431046802425496
Volume 8.1557349682492E+21
Space diagonal 34864357.17481

Equilateral Triangle

Length = n
Perimeter 60386838
Area 1.7544569072412E+14
Altitude 17432178.587405

Triangular Pyramid

Length = n
Surface area 1.7544569072412E+14
Volume 9.6116258360155E+20
Height 9488876.1431586