20131918 (number)

20131918 is an even 8-digits composite number following 20131917 and preceding 20131919. In scientific notation, it is written as 2.0131918 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 10059504 positive integers (up to 20131918) that are relatively prime to 20131918.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand nine hundred eighteen

Notation

Scientific notation 2.0131918 × 10^7
Engineering notation 2.0131918 × 10^6

Prime Factorization of 20131918

Prime Factorization 2 × 3823 × 2633

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20131918
Product of the distinct prime numbers

The prime factorization of 20131918 is 2 × 3823 × 2633. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131918)

Multiplication

n×y
n×2 40263836
n×3 60395754
n×4 80527672
n×5 100659590

Division

n÷y
n÷2 10065959
n÷3 6710639.3333333
n÷3 5032979.5
n÷5 4026383.6

Exponentiation

ny
n2 405294122358724
n3 8.1593480372078E+21
n4 1.6426332561853E+29
n5 3.3069358017595E+36

Nth Root

y√n
2√n 4486.8605951155
3√n 272.03725520554
4√n 66.984032389186
5√n 28.891961705469

Divisors of 20131918

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131918 can be divided by 8 positive divisors. The sum of these divisors (counting 20131918) is 1, the average is 0.125.

Base conversion 20131918

Base System Value
2 Binary 1001100110011000001001110
3 Ternary 1101212210210121
4 Quaternary 1030303001032
5 Quinary 20123210133
6 Senary 1555255154
8 Octal 114630116
10 Decimal 20131918
12 Duodecimal 68aa4ba
16 Hexadecimal 133304e
20 Vigesimal 65g9fi
36 Base36 bzhvy

Cryptographic Hash Functions

md5 61d07eb005a4e9eca6de77ea4a37a089
sha1 0fab0d5b9a21c6959f67c2629cf563b0eefa27c4
sha256 c6a6c1e9a1e8cbeca919fd1ce35c2d96c1d5312bfbe80465b706ea6c2e0e5854
sha512 188d759b987d46603c0fd8a0cfc6d7bc84d32b94eb8859866d41370f1432563be36d6cee8e21326aa1783f67dda29aa8a3462ebcec0dc3ebfd0ede525a21607a
ripemd-160 8cf6fb480db62cb716adb977bfc74547d70a8c7e

20131918 as geometric shapes

Circle

Radius = n
Diameter 40263836
Circumference 126492571.38294
Area 1.2732690373453E+15

Sphere

Radius = n
Volume 3.4177797135699E+22
Surface area 5.0930761493812E+15
Circumference 126492571.38294

Square

Length = n
Perimeter 80527672
Area 405294122358724
Diagonal 28470831.472183

Cube

Length = n
Surface area 2431764734152344
Volume 8.1593480372078E+21
Space diagonal 34869504.82981

Equilateral Triangle

Length = n
Perimeter 60395754
Area 1.7549750298359E+14
Altitude 17434752.414905

Triangular Pyramid

Length = n
Surface area 1.7549750298359E+14
Volume 9.615883878618E+20
Height 9490277.1573943