20085728 (number)

20085728 is an even 8-digits composite number following 20085727 and preceding 20085729. In scientific notation, it is written as 2.0085728 × 10^7. The sum of its digits is 32. It has a total of 8 prime factors and 48 positive divisors. There are 9085440 positive integers (up to 20085728) that are relatively prime to 20085728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0085728 × 10^7
Engineering notation 2.0085728 × 10^6

Prime Factorization of 20085728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 13 × 53 × 911

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1255358
Product of the distinct prime numbers

The prime factorization of 20085728 is 2 × 2 × 2 × 2 × 2 × 13 × 53 × 911. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 9, 75, 96, 151, 387, 3181, 1133, 80537, 34570, 410624, 450543, 4245350, 8868991, 92066135, 54025643, 438745198, 723097828, 1195533961, 2269239362

Basic calculations (n = 20085728)

Multiplication

n×y
n×2 40171456
n×3 60257184
n×4 80342912
n×5 100428640

Division

n÷y
n÷2 10042864
n÷3 6695242.6666667
n÷3 5021432
n÷5 4017145.6

Exponentiation

ny
n2 403436469289984
n3 8.103315187439E+21
n4 1.6276098475317E+29
n5 3.2691728687643E+36

Nth Root

y√n
2√n 4481.7103877872
3√n 271.82904482432
4√n 66.94557780606
5√n 28.87869177112

Divisors of 20085728

1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 911, 1378, 1696, 1822, 2756, 3644, 5512, 7288, 11024, 11843, 14576, 22048, 23686, 29152, 47372, 48283, 94744, 96566, 189488, 193132, 378976, 386264, 627679, 772528, 1255358, 1545056, 2510716, 5021432, 10042864, 20085728

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20085727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20085728 can be divided by 48 positive divisors. The sum of these divisors (counting 20085728) is 1, the average is 0.020833333333333.

Base conversion 20085728

Base System Value
2 Binary 1001100100111101111100000
3 Ternary 1101210110102212
4 Quaternary 1030213233200
5 Quinary 20120220403
6 Senary 1554301252
8 Octal 114475740
10 Decimal 20085728
12 Duodecimal 6887828
16 Hexadecimal 1327be0
20 Vigesimal 65ae68
36 Base36 byi8w

Cryptographic Hash Functions

md5 b2614ce561fead4b6d73402e4b568c2c
sha1 854141fbaabffbec089439393f022b2b9b4d245a
sha256 4642528f839602b7c8516656ba0f7c09dd697c391cf973625a67b916cef1e447
sha512 ba2655876c6fe7ac5a737a92e24623ffa5312d439431c1f90fa79493f2f417d19a399c6b11a0ad9c9299f6c70bf19ca5ff1a4181a5b9eac71d0706fa2cafee86
ripemd-160 f89c1c5b5a534fe4ead7b0f53ea49eb1e1a6b0e2

20085728 as geometric shapes

Circle

Radius = n
Diameter 40171456
Circumference 126202351.05361
Area 1.2674330481116E+15

Sphere

Radius = n
Volume 3.3943087283441E+22
Surface area 5.0697321924465E+15
Circumference 126202351.05361

Square

Length = n
Perimeter 80342912
Area 403436469289984
Diagonal 28405508.947737

Cube

Length = n
Surface area 2420618815739904
Volume 8.103315187439E+21
Space diagonal 34789501.403009

Equilateral Triangle

Length = n
Perimeter 60257184
Area 1.7469311560911E+14
Altitude 17394750.701504

Triangular Pyramid

Length = n
Surface area 1.7469311560911E+14
Volume 9.5498485318834E+20
Height 9468502.982579