20791728 (number)

20791728 is an even 8-digits composite number following 20791727 and preceding 20791729. In scientific notation, it is written as 2.0791728 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 100 positive divisors. There are 6791040 positive integers (up to 20791728) that are relatively prime to 20791728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0791728 × 10^7
Engineering notation 2.0791728 × 10^6

Prime Factorization of 20791728

Prime Factorization 2 × 2 × 2 × 2 × 9 × 3 × 3 × 61 × 263

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 866322
Product of the distinct prime numbers

The prime factorization of 20791728 is 2 × 2 × 2 × 2 × 9 × 3 × 3 × 61 × 263. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20791728)

Multiplication

n×y
n×2 41583456
n×3 62375184
n×4 83166912
n×5 103958640

Division

n÷y
n÷2 10395864
n÷3 6930576
n÷3 5197932
n÷5 4158345.6

Exponentiation

ny
n2 432295953225984
n3 8.9881798749754E+21
n4 1.8687979117556E+29
n5 3.8855537868191E+36

Nth Root

y√n
2√n 4559.7947322221
3√n 274.97731162681
4√n 67.526252170708
5√n 29.078909578236

Divisors of 20791728

100 divisors

τ Total Divisors 100
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20791727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.01
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 100
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20791728 can be divided by 100 positive divisors. The sum of these divisors (counting 20791728) is 1, the average is 0.01.

Base conversion 20791728

Base System Value
2 Binary 1001111010100000110110000
3 Ternary 1110010022220000
4 Quaternary 1033110012300
5 Quinary 20310313403
6 Senary 2021350000
8 Octal 117240660
10 Decimal 20791728
12 Duodecimal 6b68300
16 Hexadecimal 13d41b0
20 Vigesimal 69ij68
36 Base36 cdn00

Cryptographic Hash Functions

md5 938720cc0578da5ad589706819b6b075
sha1 3f14a98e006507815d57b0b1ba875c05551af46f
sha256 ba53300db9e43bf4ad1c11d2899d6608fae79427ceb9237b7338fffcaf93b50a
sha512 91ddf7b8ae7542c5ccda4ae35cf90072f3a2c1de670a48af7d1f32235b5e78fd8e265e4551968cde746dbf7ff1046d9628549b591cda00ecc326d3aa6dd2f7a9
ripemd-160 025e06ea224a21b15213fc517b49d7d3da249273

20791728 as geometric shapes

Circle

Radius = n
Diameter 41583456
Circumference 130638279.88047
Area 1.3580977908313E+15

Sphere

Radius = n
Volume 3.7649599819155E+22
Surface area 5.4323911633254E+15
Circumference 130638279.88047

Square

Length = n
Perimeter 83166912
Area 432295953225984
Diagonal 29403943.722772

Cube

Length = n
Surface area 2593775719355904
Volume 8.9881798749754E+21
Space diagonal 36012329.273152

Equilateral Triangle

Length = n
Perimeter 62375184
Area 1.8718963872346E+14
Altitude 18006164.636576

Triangular Pyramid

Length = n
Surface area 1.8718963872346E+14
Volume 1.0592671566866E+21
Height 9801314.5742575