20081728 (number)

20081728 is an even 8-digits composite number following 20081727 and preceding 20081729. In scientific notation, it is written as 2.0081728 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 14 positive divisors. There are 10040832 positive integers (up to 20081728) that are relatively prime to 20081728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081728 × 10^7
Engineering notation 2.0081728 × 10^6

Prime Factorization of 20081728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 313777

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 627554
Product of the distinct prime numbers

The prime factorization of 20081728 is 2 × 2 × 2 × 2 × 2 × 2 × 313777. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081728)

Multiplication

n×y
n×2 40163456
n×3 60245184
n×4 80326912
n×5 100408640

Division

n÷y
n÷2 10040864
n÷3 6693909.3333333
n÷3 5020432
n÷5 4016345.6

Exponentiation

ny
n2 403275799465984
n3 8.0984749138584E+21
n4 1.6263137043493E+29
n5 3.2659189453415E+36

Nth Root

y√n
2√n 4481.2641073697
3√n 271.81099903636
4√n 66.942244564772
5√n 28.877541462105

Divisors of 20081728

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081728 can be divided by 14 positive divisors. The sum of these divisors (counting 20081728) is 1, the average is 0.071428571428571.

Base conversion 20081728

Base System Value
2 Binary 1001100100110110001000000
3 Ternary 1101210020221201
4 Quaternary 1030212301000
5 Quinary 20120103403
6 Senary 1554230544
8 Octal 114466100
10 Decimal 20081728
12 Duodecimal 6885454
16 Hexadecimal 1326c40
20 Vigesimal 65a468
36 Base36 byf5s

Cryptographic Hash Functions

md5 eae77f8f1585804477ab4ff62eaced93
sha1 4adff9fccaf90cd39117bdb62b77d9682aa86deb
sha256 ddff33a517d32e3b0c1dbc36fb814e2c368c0626db488ed16f4512e15dc20a3f
sha512 b9c06cf3d8c0fb4bf5597b7f3b97b2651073ec4627653d7c616d44034f8336a040ea765fea54334e5e6fdac772ec2f80130457ec1c67eb51ea28e5ce3caf7f09
ripemd-160 bd7dc08c6a48e52b60dd4b9f2d2445903eedc17f

20081728 as geometric shapes

Circle

Radius = n
Diameter 40163456
Circumference 126177218.31238
Area 1.2669282889729E+15

Sphere

Radius = n
Volume 3.3922812392879E+22
Surface area 5.0677131558915E+15
Circumference 126177218.31238

Square

Length = n
Perimeter 80326912
Area 403275799465984
Diagonal 28399852.093488

Cube

Length = n
Surface area 2419654796795904
Volume 8.0984749138584E+21
Space diagonal 34782573.199779

Equilateral Triangle

Length = n
Perimeter 60245184
Area 1.7462354353451E+14
Altitude 17391286.599889

Triangular Pyramid

Length = n
Surface area 1.7462354353451E+14
Volume 9.5441442147641E+20
Height 9466617.3644958