20731644 (number)

20731644 is an even 8-digits composite number following 20731643 and preceding 20731645. In scientific notation, it is written as 2.0731644 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6866208 positive integers (up to 20731644) that are relatively prime to 20731644.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand six hundred forty-four

Notation

Scientific notation 2.0731644 × 10^7
Engineering notation 2.0731644 × 10^6

Prime Factorization of 20731644

Prime Factorization 2 × 2 × 9 × 163 × 3533

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10365822
Product of the distinct prime numbers

The prime factorization of 20731644 is 2 × 2 × 9 × 163 × 3533. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731644)

Multiplication

n×y
n×2 41463288
n×3 62194932
n×4 82926576
n×5 103658220

Division

n÷y
n÷2 10365822
n÷3 6910548
n÷3 5182911
n÷5 4146328.8

Exponentiation

ny
n2 429801062942736
n3 8.9104826277504E+21
n4 1.8472895370671E+29
n5 3.8297349047399E+36

Nth Root

y√n
2√n 4553.201511025
3√n 274.71217930677
4√n 67.477414821738
5√n 29.062083652934

Divisors of 20731644

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 -20731643
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 20731644 can be divided by 24 positive divisors. The sum of these divisors (counting 20731644) is 1, the average is 0.041666666666667.

Base conversion 20731644

Base System Value
2 Binary 1001111000101011011111100
3 Ternary 1110000021110200
4 Quaternary 1033011123330
5 Quinary 20301403034
6 Senary 2020203500
8 Octal 117053374
10 Decimal 20731644
12 Duodecimal 6b39590
16 Hexadecimal 13c56fc
20 Vigesimal 69b924
36 Base36 cccn0

Cryptographic Hash Functions

md5 87fc9d9976309646614f582edc2ace81
sha1 f69d996c191f760ff594dc1f6c2dc0043c605b34
sha256 0e4e305dcc13022b50ddb7f258c77e4c067b6afa3d4ed02c2131ed895f37a569
sha512 0a3ff70f1faaf8793f72df9f24aad4397f5fccd91c9e976bb86bffa9fa2ab944d85d857161c2e57a7404661c00ac1f91fe0ae9d30b0db4997a61fbe1683afdaa
ripemd-160 e68e019f0cffeb03f8586164004e041132bcfa16

20731644 as geometric shapes

Circle

Radius = n
Diameter 41463288
Circumference 130260760.97448
Area 1.350259861846E+15

Sphere

Radius = n
Volume 3.732414235104E+22
Surface area 5.4010394473839E+15
Circumference 130260760.97448

Square

Length = n
Perimeter 82926576
Area 429801062942736
Diagonal 29318972.115091

Cube

Length = n
Surface area 2578806377656416
Volume 8.9104826277504E+21
Space diagonal 35908260.73243

Equilateral Triangle

Length = n
Perimeter 62194932
Area 1.8610931954098E+14
Altitude 17954130.366215

Triangular Pyramid

Length = n
Surface area 1.8610931954098E+14
Volume 1.0501104482879E+21
Height 9772990.7050303