20705428 (number)

20705428 is an even 8-digits composite number following 20705427 and preceding 20705429. In scientific notation, it is written as 2.0705428 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 9763776 positive integers (up to 20705428) that are relatively prime to 20705428.

Interesting facts

Basic properties

Name

Name twenty million seven hundred five thousand four hundred twenty-eight

Notation

Scientific notation 2.0705428 × 10^7
Engineering notation 2.0705428 × 10^6

Prime Factorization of 20705428

Prime Factorization 2 × 2 × 23 × 73 × 3083

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10352714
Product of the distinct prime numbers

The prime factorization of 20705428 is 2 × 2 × 23 × 73 × 3083. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 61, 4, 52, 917, 7164, 272, 36463, 77947, 768421, 225971, 3785850, 7592806, 62027187, 44302260, 812733559, 414490050, 7167591563, 5400549347

Basic calculations (n = 20705428)

Multiplication

n×y
n×2 41410856
n×3 62116284
n×4 82821712
n×5 103527140

Division

n÷y
n÷2 10352714
n÷3 6901809.3333333
n÷3 5176357
n÷5 4141085.6

Exponentiation

ny
n2 428714748663184
n3 8.8767223609837E+21
n4 1.8379633572134E+29
n5 3.805581795942E+36

Nth Root

y√n
2√n 4550.3217468658
3√n 274.59633558649
4√n 67.456072720444
5√n 29.054729896958

Divisors of 20705428

1, 2, 4, 23, 46, 73, 92, 146, 292, 1679, 3083, 3358, 6166, 6716, 12332, 70909, 141818, 225059, 283636, 450118, 900236, 5176357, 10352714, 20705428

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 -20705427
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 20705428 can be divided by 24 positive divisors. The sum of these divisors (counting 20705428) is 1, the average is 0.041666666666667.

Base conversion 20705428

Base System Value
2 Binary 1001110111111000010010100
3 Ternary 1102221221111201
4 Quaternary 1032333002110
5 Quinary 20300033203
6 Senary 2015442244
8 Octal 116770224
10 Decimal 20705428
12 Duodecimal 6b26384
16 Hexadecimal 13bf094
20 Vigesimal 6983b8
36 Base36 cbses

Cryptographic Hash Functions

md5 aed88add51b194b8892247d39d30c2ab
sha1 7d43252aa4cf2e5ba10d6188fb27ea3f16120955
sha256 5dcc328082e38135141279bb04efb66140e452a7e210fb94876582285e523066
sha512 d5f7c2199d49b4e474bb313151a61e7b100716a9189d8140252b85e1e272d341da5bf28fa1ce1b9b0c02ad9f3bcf28082c8bb4f16c1b0033a98b910b3494c321
ripemd-160 f0f1416d6aeae56a2eec6356d69f66aa2a67a97d

20705428 as geometric shapes

Circle

Radius = n
Diameter 41410856
Circumference 130096040.98846
Area 1.3468471048859E+15

Sphere

Radius = n
Volume 3.7182727676297E+22
Surface area 5.3873884195434E+15
Circumference 130096040.98846

Square

Length = n
Perimeter 82821712
Area 428714748663184
Diagonal 29281897.09234

Cube

Length = n
Surface area 2572288491979104
Volume 8.8767223609837E+21
Space diagonal 35862853.288459

Equilateral Triangle

Length = n
Perimeter 62116284
Area 1.8563893165969E+14
Altitude 17931426.64423

Triangular Pyramid

Length = n
Surface area 1.8563893165969E+14
Volume 1.0461317626936E+21
Height 9760632.3641132