20789728 (number)

20789728 is an even 8-digits composite number following 20789727 and preceding 20789729. In scientific notation, it is written as 2.0789728 × 10^7. The sum of its digits is 43. It has a total of 7 prime factors and 24 positive divisors. There are 10356480 positive integers (up to 20789728) that are relatively prime to 20789728.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-nine thousand seven hundred twenty-eight

Notation

Scientific notation 2.0789728 × 10^7
Engineering notation 2.0789728 × 10^6

Prime Factorization of 20789728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 311 × 2089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1299358
Product of the distinct prime numbers

The prime factorization of 20789728 is 2 × 2 × 2 × 2 × 2 × 311 × 2089. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 6, 29, 4, 582, 613, 7227, 484, 20712, 97298, 645535, 271922, 9203710, 6203235, 35011194, 45679513, 348101192, 433937683, 5124550303, 7137468190

Basic calculations (n = 20789728)

Multiplication

n×y
n×2 41579456
n×3 62369184
n×4 83158912
n×5 103948640

Division

n÷y
n÷2 10394864
n÷3 6929909.3333333
n÷3 5197432
n÷5 4157945.6

Exponentiation

ny
n2 432212790313984
n3 8.9855863487488E+21
n4 1.86807896111E+29
n5 3.8836853483999E+36

Nth Root

y√n
2√n 4559.5754188301
3√n 274.96849446231
4√n 67.524628239111
5√n 29.078350124428

Divisors of 20789728

1, 2, 4, 8, 16, 32, 311, 622, 1244, 2089, 2488, 4178, 4976, 8356, 9952, 16712, 33424, 66848, 649679, 1299358, 2598716, 5197432, 10394864, 20789728

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20789727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20789728 can be divided by 24 positive divisors. The sum of these divisors (counting 20789728) is 1, the average is 0.041666666666667.

Base conversion 20789728

Base System Value
2 Binary 1001111010011100111100000
3 Ternary 1110010020010221
4 Quaternary 1033103213200
5 Quinary 20310232403
6 Senary 2021332424
8 Octal 117234740
10 Decimal 20789728
12 Duodecimal 6b67114
16 Hexadecimal 13d39e0
20 Vigesimal 69ie68
36 Base36 cdlgg

Cryptographic Hash Functions

md5 f9afacd3dd98fff82dd90c54dee72d47
sha1 515a39d51d16f7a1f0ed5bf2c2aed790cc2e38af
sha256 de358eec9db1e3c1c6f6254a2a26499b37563d6f835fbf5622e3ae077aefa476
sha512 73273f298d9238b8360b49c0540dcbe0ca976ddeea55b007fb67903fb88e6132bd0228f247a74332ac4739e8e3499c80d0999ed89f2b6b430c61b751d78707a4
ripemd-160 7680a33b42f28ede2e1521a49156dad942ac279e

20789728 as geometric shapes

Circle

Radius = n
Diameter 41579456
Circumference 130625713.50986
Area 1.357836526838E+15

Sphere

Radius = n
Volume 3.7638736081901E+22
Surface area 5.4313461073518E+15
Circumference 130625713.50986

Square

Length = n
Perimeter 83158912
Area 432212790313984
Diagonal 29401115.295648

Cube

Length = n
Surface area 2593276741883904
Volume 8.9855863487488E+21
Space diagonal 36008865.171537

Equilateral Triangle

Length = n
Perimeter 62369184
Area 1.8715362812623E+14
Altitude 18004432.585769

Triangular Pyramid

Length = n
Surface area 1.8715362812623E+14
Volume 1.0589615066896E+21
Height 9800371.7652159