20109905 (number)

20109905 is an odd 8-digits composite number following 20109904 and preceding 20109906. In scientific notation, it is written as 2.0109905 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 15449280 positive integers (up to 20109905) that are relatively prime to 20109905.

Interesting facts

Basic properties

Name

Name twenty million one hundred nine thousand nine hundred five

Notation

Scientific notation 2.0109905 × 10^7
Engineering notation 2.0109905 × 10^6

Prime Factorization of 20109905

Prime Factorization 5 × 29 × 419 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20109905
Product of the distinct prime numbers

The prime factorization of 20109905 is 5 × 29 × 419 × 331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20109905)

Multiplication

n×y
n×2 40219810
n×3 60329715
n×4 80439620
n×5 100549525

Division

n÷y
n÷2 10054952.5
n÷3 6703301.6666667
n÷3 5027476.25
n÷5 4021981

Exponentiation

ny
n2 404408279109025
n3 8.132612074096E+21
n4 1.6354605621192E+29
n5 3.2888956535464E+36

Nth Root

y√n
2√n 4484.406872709
3√n 271.93806710604
4√n 66.965714158135
5√n 28.885640627609

Divisors of 20109905

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 -20109904
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 20109905 can be divided by 16 positive divisors. The sum of these divisors (counting 20109905) is 1, the average is 0.0625.

Base conversion 20109905

Base System Value
2 Binary 1001100101101101001010001
3 Ternary 1101211200121022
4 Quaternary 1030231221101
5 Quinary 20122004110
6 Senary 1555005225
8 Octal 114555121
10 Decimal 20109905
12 Duodecimal 6899815
16 Hexadecimal 132da51
20 Vigesimal 65def5
36 Base36 bz0wh

Cryptographic Hash Functions

md5 0677c61e5d3c7d207d8479836320287f
sha1 928f88a135a9520c6484b4f694d55f6240a32629
sha256 1edd91de2667f28769ca950c521608311a85539035bd92d9cdbc0e8f4777af43
sha512 1b162d4540839d520db50949dbb22b8bbde205023400fa5d3d2f91fafdf7d8152e3a09085ac0164cb61d177822bbe10083cbededd03d554407ff8f23903509f1
ripemd-160 057be58edd4cf08bbc4593ba77d248ed6095031c

20109905 as geometric shapes

Circle

Radius = n
Diameter 40219810
Circumference 126354259.62478
Area 1.2704860786998E+15

Sphere

Radius = n
Volume 3.4065805795301E+22
Surface area 5.0819443147992E+15
Circumference 126354259.62478

Square

Length = n
Perimeter 80439620
Area 404408279109025
Diagonal 28439700.389035

Cube

Length = n
Surface area 2426449674654150
Volume 8.132612074096E+21
Space diagonal 34831377.195383

Equilateral Triangle

Length = n
Perimeter 60329715
Area 1.7511392160458E+14
Altitude 17415688.597692

Triangular Pyramid

Length = n
Surface area 1.7511392160458E+14
Volume 9.5843752439214E+20
Height 9479900.1296782