20130818 (number)

20130818 is an even 8-digits composite number following 20130817 and preceding 20130819. In scientific notation, it is written as 2.0130818 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 10065408 positive integers (up to 20130818) that are relatively prime to 20130818.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand eight hundred eighteen

Notation

Scientific notation 2.0130818 × 10^7
Engineering notation 2.0130818 × 10^6

Prime Factorization of 20130818

Prime Factorization 2 × 10065409

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20130818
Product of the distinct prime numbers

The prime factorization of 20130818 is 2 × 10065409. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20130818)

Multiplication

n×y
n×2 40261636
n×3 60392454
n×4 80523272
n×5 100654090

Division

n÷y
n÷2 10065409
n÷3 6710272.6666667
n÷3 5032704.5
n÷5 4026163.6

Exponentiation

ny
n2 405249833349124
n3 8.1580106396815E+21
n4 1.6422742742949E+29
n5 3.3060324521913E+36

Nth Root

y√n
2√n 4486.738013301
3√n 272.03230044612
4√n 66.983117375209
5√n 28.891645969507

Divisors of 20130818

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20130817
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20130818 can be divided by 4 positive divisors. The sum of these divisors (counting 20130818) is 1, the average is 0.25.

Base conversion 20130818

Base System Value
2 Binary 1001100110010110000000010
3 Ternary 1101212202021212
4 Quaternary 1030302300002
5 Quinary 20123141233
6 Senary 1555250122
8 Octal 114626002
10 Decimal 20130818
12 Duodecimal 68a9942
16 Hexadecimal 1332c02
20 Vigesimal 65g70i
36 Base36 bzh1e

Cryptographic Hash Functions

md5 e48e34cc2663af7430ffad22ad5e01f2
sha1 f9b3dd648774bdfed407588eda6f0a194864db4b
sha256 fadf5e69d8a950e2e8d6c7d2eddc47d0efe5a4effa2cd93687326d56078e784c
sha512 ff19f05f199f539effc34b8b1d95d97d3e5c95eea4baca42b898bd72e905a18e64a14c911020f97d32753ef60ce8bbc891cf74fbc905321fae971c05e514645a
ripemd-160 8518bce5ed181da494999ce6ec89cf6afa64f4ed

20130818 as geometric shapes

Circle

Radius = n
Diameter 40261636
Circumference 126485659.87911
Area 1.2731298993181E+15

Sphere

Radius = n
Volume 3.4172195058041E+22
Surface area 5.0925195972724E+15
Circumference 126485659.87911

Square

Length = n
Perimeter 80523272
Area 405249833349124
Diagonal 28469275.837264

Cube

Length = n
Surface area 2431499000094744
Volume 8.1580106396815E+21
Space diagonal 34867599.573922

Equilateral Triangle

Length = n
Perimeter 60392454
Area 1.7547832527988E+14
Altitude 17433799.786961

Triangular Pyramid

Length = n
Surface area 1.7547832527988E+14
Volume 9.614307740518E+20
Height 9489758.6124215