20130815 (number)

20130815 is an odd 8-digits composite number following 20130814 and preceding 20130816. In scientific notation, it is written as 2.0130815 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 15944800 positive integers (up to 20130815) that are relatively prime to 20130815.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand eight hundred fifteen

Notation

Scientific notation 2.0130815 × 10^7
Engineering notation 2.0130815 × 10^6

Prime Factorization of 20130815

Prime Factorization 5 × 101 × 39863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20130815
Product of the distinct prime numbers

The prime factorization of 20130815 is 5 × 101 × 39863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20130815)

Multiplication

n×y
n×2 40261630
n×3 60392445
n×4 80523260
n×5 100654075

Division

n÷y
n÷2 10065407.5
n÷3 6710271.6666667
n÷3 5032703.75
n÷5 4026163

Exponentiation

ny
n2 405249712564225
n3 8.1580069924336E+21
n4 1.6422732953339E+29
n5 3.3060299887806E+36

Nth Root

y√n
2√n 4486.7376789824
3√n 272.0322869329
4√n 66.983114879665
5√n 28.89164510839

Divisors of 20130815

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 -20130814
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 20130815 can be divided by 8 positive divisors. The sum of these divisors (counting 20130815) is 1, the average is 0.125.

Base conversion 20130815

Base System Value
2 Binary 1001100110010101111111111
3 Ternary 1101212202021202
4 Quaternary 1030302233333
5 Quinary 20123141230
6 Senary 1555250115
8 Octal 114625777
10 Decimal 20130815
12 Duodecimal 68a993b
16 Hexadecimal 1332bff
20 Vigesimal 65g70f
36 Base36 bzh1b

Cryptographic Hash Functions

md5 7a3b937f86e84e0ef033aa159a290afe
sha1 a63785376a99a4cd4035b9628b942f96c5dd4daa
sha256 966095fd177f954c69d9186196c3615fc29fa8e119f3548d7433edaacd01b716
sha512 d3e3a3f09d1d9f6460f9fdc92be47a9039946bd6402002bd67a74a3badaeabd9d9f80820f223a0a5f92f9c2326963d92f646d493a1ac761e7ae09e0ad4239fe5
ripemd-160 a73d384d9816d80668f3658ad6d0d87d579efd6d

20130815 as geometric shapes

Circle

Radius = n
Diameter 40261630
Circumference 126485641.02955
Area 1.2731295198611E+15

Sphere

Radius = n
Volume 3.4172179780485E+22
Surface area 5.0925180794446E+15
Circumference 126485641.02955

Square

Length = n
Perimeter 80523260
Area 405249712564225
Diagonal 28469271.594624

Cube

Length = n
Surface area 2431498275385350
Volume 8.1580069924336E+21
Space diagonal 34867594.37777

Equilateral Triangle

Length = n
Perimeter 60392445
Area 1.7547827297848E+14
Altitude 17433797.188885

Triangular Pyramid

Length = n
Surface area 1.7547827297848E+14
Volume 9.6143034421951E+20
Height 9489757.1982079