20131815 (number)

20131815 is an odd 8-digits composite number following 20131814 and preceding 20131816. In scientific notation, it is written as 2.0131815 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 9760800 positive integers (up to 20131815) that are relatively prime to 20131815.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand eight hundred fifteen

Notation

Scientific notation 2.0131815 × 10^7
Engineering notation 2.0131815 × 10^6

Prime Factorization of 20131815

Prime Factorization 165 × 122011

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20131815
Product of the distinct prime numbers

The prime factorization of 20131815 is 165 × 122011. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131815)

Multiplication

n×y
n×2 40263630
n×3 60395445
n×4 80527260
n×5 100659075

Division

n÷y
n÷2 10065907.5
n÷3 6710605
n÷3 5032953.75
n÷5 4026363

Exponentiation

ny
n2 405289975194225
n3 8.1592228019647E+21
n4 1.6425996399294E+29
n5 3.3068512070124E+36

Nth Root

y√n
2√n 4486.8491171422
3√n 272.03679126755
4√n 66.983946712195
5√n 28.891932141687

Divisors of 20131815

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 -20131814
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 20131815 can be divided by 4 positive divisors. The sum of these divisors (counting 20131815) is 1, the average is 0.25.

Base conversion 20131815

Base System Value
2 Binary 1001100110010111111100111
3 Ternary 1101212210122210
4 Quaternary 1030302333213
5 Quinary 20123204230
6 Senary 1555254503
8 Octal 114627747
10 Decimal 20131815
12 Duodecimal 68aa433
16 Hexadecimal 1332fe7
20 Vigesimal 65g9af
36 Base36 bzht3

Cryptographic Hash Functions

md5 e3a1b8ab9b1f472b7a5c6ac3bd898097
sha1 4a88b59dc28cf1b11499677ce3835be16316b6d5
sha256 c2387b6bcf94408a00d0b0c455bbb710c4e5095ffc52ab47d0e41f25c266b227
sha512 93aed438bfee6f1bcb894d54599d2b0564669b4bd7ed687b747923d1e385cd8249e6f069761064d0c5b00f6a8781f2bc7179b2e66a78af4fbf94c2dad96b05e1
ripemd-160 1c31a24bc5df51637868dcab80a640769b87120e

20131815 as geometric shapes

Circle

Radius = n
Diameter 40263630
Circumference 126491924.21486
Area 1.2732560086438E+15

Sphere

Radius = n
Volume 3.417727255154E+22
Surface area 5.0930240345751E+15
Circumference 126491924.21486

Square

Length = n
Perimeter 80527260
Area 405289975194225
Diagonal 28470685.808186

Cube

Length = n
Surface area 2431739851165350
Volume 8.1592228019647E+21
Space diagonal 34869326.428577

Equilateral Triangle

Length = n
Perimeter 60395445
Area 1.7549570720868E+14
Altitude 17434663.214289

Triangular Pyramid

Length = n
Surface area 1.7549570720868E+14
Volume 9.6157362874686E+20
Height 9490228.6027287