20728246 (number)

20728246 is an even 8-digits composite number following 20728245 and preceding 20728247. In scientific notation, it is written as 2.0728246 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8030400 positive integers (up to 20728246) that are relatively prime to 20728246.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty-eight thousand two hundred forty-six

Notation

Scientific notation 2.0728246 × 10^7
Engineering notation 2.0728246 × 10^6

Prime Factorization of 20728246

Prime Factorization 2 × 77 × 479 × 281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20728246
Product of the distinct prime numbers

The prime factorization of 20728246 is 2 × 77 × 479 × 281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 5, 5, 762, 561, 2590, 5006, 53208, 1575, 251043, 509763, 2505033, 6958100, 56783298, 62016169, 377354353, 862772461, 6316604565, 4296355849

Basic calculations (n = 20728246)

Multiplication

n×y
n×2 41456492
n×3 62184738
n×4 82912984
n×5 103641230

Division

n÷y
n÷2 10364123
n÷3 6909415.3333333
n÷3 5182061.5
n÷5 4145649.2

Exponentiation

ny
n2 429660182236516
n3 8.9061019538033E+21
n4 1.8460787219952E+29
n5 3.8265973884881E+36

Nth Root

y√n
2√n 4552.8283516952
3√n 274.6971696756
4√n 67.474649696721
5√n 29.061130911942

Divisors of 20728246

1, 2, 77, 154, 281, 479, 562, 958, 21637, 36883, 43274, 73766, 134599, 269198, 10364123, 20728246

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20728245
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20728246 can be divided by 16 positive divisors. The sum of these divisors (counting 20728246) is 1, the average is 0.0625.

Base conversion 20728246

Base System Value
2 Binary 1001111000100100110110110
3 Ternary 1110000002210211
4 Quaternary 1033010212312
5 Quinary 20301300441
6 Senary 2020140034
8 Octal 117044666
10 Decimal 20728246
12 Duodecimal 6b3761a
16 Hexadecimal 13c49b6
20 Vigesimal 69b0c6
36 Base36 cca0m

Cryptographic Hash Functions

md5 438fe08939c5c70483a5118dfb320906
sha1 7d16155cf57693a37f28d360135c1845ef4e9a4c
sha256 a15bba9e0a4dae045a9c52a5c26cde10f445dae735ada080f0e7cfadb6a117fa
sha512 f0a9bef946321e1e7ff4889d3839de339ec2b38e144ddd808b27c9426feae81ab19e7772e20d5035e0c0f49b8ec28eb62d8ac4a85b8d5a0e7ddd3fe9fa53a14b
ripemd-160 3edd43aa0209540644be3672a2efbad8a5bafc8f

20728246 as geometric shapes

Circle

Radius = n
Diameter 41456492
Circumference 130239410.7108
Area 1.3498172720543E+15

Sphere

Radius = n
Volume 3.730579262692E+22
Surface area 5.3992690882172E+15
Circumference 130239410.7108

Square

Length = n
Perimeter 82912984
Area 429660182236516
Diagonal 29314166.617406

Cube

Length = n
Surface area 2577961093419096
Volume 8.9061019538033E+21
Space diagonal 35902375.223786

Equilateral Triangle

Length = n
Perimeter 62184738
Area 1.8604831640574E+14
Altitude 17951187.611893

Triangular Pyramid

Length = n
Surface area 1.8604831640574E+14
Volume 1.0495941809122E+21
Height 9771388.8724686