20105813 (number)

20105813 is an odd 8-digits composite number following 20105812 and preceding 20105814. In scientific notation, it is written as 2.0105813 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 15754176 positive integers (up to 20105813) that are relatively prime to 20105813.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand eight hundred thirteen

Notation

Scientific notation 2.0105813 × 10^7
Engineering notation 2.0105813 × 10^6

Prime Factorization of 20105813

Prime Factorization 13 × 7 × 109 × 2027

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20105813
Product of the distinct prime numbers

The prime factorization of 20105813 is 13 × 7 × 109 × 2027. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 29, 30, 223, 478, 9255, 3674, 6053, 58634, 814431, 828101, 7085503, 190194, 65356944, 47586187, 646988831, 774207097, 3589866431, 3656528950

Basic calculations (n = 20105813)

Multiplication

n×y
n×2 40211626
n×3 60317439
n×4 80423252
n×5 100529065

Division

n÷y
n÷2 10052906.5
n÷3 6701937.6666667
n÷3 5026453.25
n÷5 4021162.6

Exponentiation

ny
n2 404243716390969
n3 8.1276485681819E+21
n4 1.6341298224158E+29
n5 3.2855508627216E+36

Nth Root

y√n
2√n 4483.9506018688
3√n 271.91962103754
4√n 66.962307321872
5√n 28.884464991392

Divisors of 20105813

1, 7, 13, 91, 109, 763, 1417, 2027, 9919, 14189, 26351, 184457, 220943, 1546601, 2872259, 20105813

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105812
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105813 can be divided by 16 positive divisors. The sum of these divisors (counting 20105813) is 1, the average is 0.0625.

Base conversion 20105813

Base System Value
2 Binary 1001100101100101001010101
3 Ternary 1101211110222202
4 Quaternary 1030230221111
5 Quinary 20121341223
6 Senary 1554534245
8 Octal 114545125
10 Decimal 20105813
12 Duodecimal 6897385
16 Hexadecimal 132ca55
20 Vigesimal 65d4ad
36 Base36 byxqt

Cryptographic Hash Functions

md5 2802debf0e87f1a492711883f145e92a
sha1 781dbf278f874a4c86125d71bbcd16e7c3a44da8
sha256 3acaa1ddc087edc5fd5f01598353234b62b49ff85d2107b47b382e079d31cafe
sha512 fd45f22fef9e3953e6feb18c810bb8dc0f67a5df9d2d9876fb2f38a68f19bacf6f62a750a8a2ae7aae78537fedec6f41373b9e7541026c363d17976464f5e2ff
ripemd-160 32e18faebb345b8f0b92d36a9135780d1b13071d

20105813 as geometric shapes

Circle

Radius = n
Diameter 40211626
Circumference 126328548.8305
Area 1.2699690896737E+15

Sphere

Radius = n
Volume 3.4045014710346E+22
Surface area 5.0798763586948E+15
Circumference 126328548.8305

Square

Length = n
Perimeter 80423252
Area 404243716390969
Diagonal 28433913.427137

Cube

Length = n
Surface area 2425462298345814
Volume 8.1276485681819E+21
Space diagonal 34824289.643479

Equilateral Triangle

Length = n
Perimeter 60317439
Area 1.7504266385741E+14
Altitude 17412144.821739

Triangular Pyramid

Length = n
Surface area 1.7504266385741E+14
Volume 9.5785256961042E+20
Height 9477971.1423791