20105909 (number)

20105909 is an odd 8-digits composite number following 20105908 and preceding 20105910. In scientific notation, it is written as 2.0105909 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 19910604 positive integers (up to 20105909) that are relatively prime to 20105909.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand nine hundred nine

Notation

Scientific notation 2.0105909 × 10^7
Engineering notation 2.0105909 × 10^6

Prime Factorization of 20105909

Prime Factorization 103 × 195203

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20105909
Product of the distinct prime numbers

The prime factorization of 20105909 is 103 × 195203. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105909)

Multiplication

n×y
n×2 40211818
n×3 60317727
n×4 80423636
n×5 100529545

Division

n÷y
n÷2 10052954.5
n÷3 6701969.6666667
n÷3 5026477.25
n÷5 4021181.8

Exponentiation

ny
n2 404247576716281
n3 8.1277649909281E+21
n4 1.6341610328099E+29
n5 3.2856293017021E+36

Nth Root

y√n
2√n 4483.9613067019
3√n 271.92005381855
4√n 66.962387253606
5√n 28.884492574493

Divisors of 20105909

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 -20105908
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 20105909 can be divided by 4 positive divisors. The sum of these divisors (counting 20105909) is 1, the average is 0.25.

Base conversion 20105909

Base System Value
2 Binary 1001100101100101010110101
3 Ternary 1101211111010022
4 Quaternary 1030230222311
5 Quinary 20121342114
6 Senary 1554534525
8 Octal 114545265
10 Decimal 20105909
12 Duodecimal 6897445
16 Hexadecimal 132cab5
20 Vigesimal 65d4f9
36 Base36 byxth

Cryptographic Hash Functions

md5 0526d724f6c3f96006373bbf77d754ce
sha1 e07c4df492f54f4d3b7040637df17aca7c3ad5e0
sha256 0fbff281311f3fb4b38408999607b0960243c590b12d4c61eaa32195c18be8f7
sha512 2bc110b0734eca7e0e0346597f84f8a1d246b409d0b5536067e67c3d9d5aea95db31d0ca016011d9b461291f7604fb02546ee50978cb7a5b3e5084524cde9cd6
ripemd-160 d449e25138f202c33708b8c5377d068a97a0e56c

20105909 as geometric shapes

Circle

Radius = n
Diameter 40211818
Circumference 126329152.01629
Area 1.2699812172433E+15

Sphere

Radius = n
Volume 3.4045502380805E+22
Surface area 5.0799248689734E+15
Circumference 126329152.01629

Square

Length = n
Perimeter 80423636
Area 404247576716281
Diagonal 28434049.191639

Cube

Length = n
Surface area 2425485460297686
Volume 8.1277649909281E+21
Space diagonal 34824455.920356

Equilateral Triangle

Length = n
Perimeter 60317727
Area 1.750443354273E+14
Altitude 17412227.960178

Triangular Pyramid

Length = n
Surface area 1.750443354273E+14
Volume 9.5786629016264E+20
Height 9478016.3972131