20081813 (number)

20081813 is an odd 8-digits composite number following 20081812 and preceding 20081814. In scientific notation, it is written as 2.0081813 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19874688 positive integers (up to 20081813) that are relatively prime to 20081813.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand eight hundred thirteen

Notation

Scientific notation 2.0081813 × 10^7
Engineering notation 2.0081813 × 10^6

Prime Factorization of 20081813

Prime Factorization 97 × 207029

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20081813
Product of the distinct prime numbers

The prime factorization of 20081813 is 97 × 207029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081813)

Multiplication

n×y
n×2 40163626
n×3 60245439
n×4 80327252
n×5 100409065

Division

n÷y
n÷2 10040906.5
n÷3 6693937.6666667
n÷3 5020453.25
n÷5 4016362.6

Exponentiation

ny
n2 403279213366969
n3 8.0985777496226E+21
n4 1.6263412393388E+29
n5 3.265988064259E+36

Nth Root

y√n
2√n 4481.2735912908
3√n 271.81138253427
4√n 66.942315401327
5√n 28.877565908078

Divisors of 20081813

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 -20081812
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 20081813 can be divided by 4 positive divisors. The sum of these divisors (counting 20081813) is 1, the average is 0.25.

Base conversion 20081813

Base System Value
2 Binary 1001100100110110010010101
3 Ternary 1101210021001212
4 Quaternary 1030212302111
5 Quinary 20120104223
6 Senary 1554231205
8 Octal 114466225
10 Decimal 20081813
12 Duodecimal 6885505
16 Hexadecimal 1326c95
20 Vigesimal 65a4ad
36 Base36 byf85

Cryptographic Hash Functions

md5 985678756be6ba73491c9d9dba9a42bb
sha1 114c6f9faa97f730660d71f3cab16ebe8a7bbc15
sha256 6e329fe01bc9780195d714ae01fc85861a20ba9f6b77dde5b3c078ce7c29434b
sha512 6b3b75c7de1865bf3c3957f8d8f4d96903877406d220cd4e2e1bc022576455b97864878ff6b25cdb2a47fbd8ccd70d30e2fd6f30cf3af12a8bfc72e251336ad2
ripemd-160 9063da06d6244e791a8d01749b6f448524555ed2

20081813 as geometric shapes

Circle

Radius = n
Diameter 40163626
Circumference 126177752.38313
Area 1.2669390140591E+15

Sphere

Radius = n
Volume 3.392324315032E+22
Surface area 5.0677560562366E+15
Circumference 126177752.38313

Square

Length = n
Perimeter 80327252
Area 403279213366969
Diagonal 28399972.30164

Cube

Length = n
Surface area 2419675280201814
Volume 8.0985777496226E+21
Space diagonal 34782720.424097

Equilateral Triangle

Length = n
Perimeter 60245439
Area 1.74625021797E+14
Altitude 17391360.212049

Triangular Pyramid

Length = n
Surface area 1.74625021797E+14
Volume 9.5442654078744E+20
Height 9466657.4338801