20728306 (number)

20728306 is an even 8-digits composite number following 20728305 and preceding 20728307. In scientific notation, it is written as 2.0728306 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10357620 positive integers (up to 20728306) that are relatively prime to 20728306.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty-eight thousand three hundred six

Notation

Scientific notation 2.0728306 × 10^7
Engineering notation 2.0728306 × 10^6

Prime Factorization of 20728306

Prime Factorization 2 × 2711 × 3823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20728306
Product of the distinct prime numbers

The prime factorization of 20728306 is 2 × 2711 × 3823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20728306)

Multiplication

n×y
n×2 41456612
n×3 62184918
n×4 82913224
n×5 103641530

Division

n÷y
n÷2 10364153
n÷3 6909435.3333333
n÷3 5182076.5
n÷5 4145661.2

Exponentiation

ny
n2 429662669629636
n3 8.90617929286E+21
n4 1.8461000967327E+29
n5 3.8266527711704E+36

Nth Root

y√n
2√n 4552.834941001
3√n 274.69743472157
4√n 67.474698524714
5√n 29.061147735998

Divisors of 20728306

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20728305
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20728306 can be divided by 8 positive divisors. The sum of these divisors (counting 20728306) is 1, the average is 0.125.

Base conversion 20728306

Base System Value
2 Binary 1001111000100100111110010
3 Ternary 1110000002220001
4 Quaternary 1033010213302
5 Quinary 20301301211
6 Senary 2020140214
8 Octal 117044762
10 Decimal 20728306
12 Duodecimal 6b3766a
16 Hexadecimal 13c49f2
20 Vigesimal 69b0f6
36 Base36 cca2a

Cryptographic Hash Functions

md5 d39acf2e18acfad7473ded7f7c30814f
sha1 e6145fc4f1d91523bc0d583f32d546c7224848d5
sha256 6eb6c82393285fc307408437f3065dfc41f0210c1587dbecec660123d0a1cf68
sha512 3b9395c24ffc6a3898b66ce47de407310b82f984e5df826b3990d94f67fffe3f69342a3b162aea803f63e240ee05be095a0cf771b9dbe14a915ed57018a608e5
ripemd-160 e017e5fcc351d4c0e2f6158b67a426384d6b452f

20728306 as geometric shapes

Circle

Radius = n
Diameter 41456612
Circumference 130239787.70192
Area 1.3498250864302E+15

Sphere

Radius = n
Volume 3.7306116584003E+22
Surface area 5.399300345721E+15
Circumference 130239787.70192

Square

Length = n
Perimeter 82913224
Area 429662669629636
Diagonal 29314251.47022

Cube

Length = n
Surface area 2577976017777816
Volume 8.90617929286E+21
Space diagonal 35902479.146835

Equilateral Triangle

Length = n
Perimeter 62184918
Area 1.8604939347855E+14
Altitude 17951239.573417

Triangular Pyramid

Length = n
Surface area 1.8604939347855E+14
Volume 1.0496032954074E+21
Height 9771417.1567399