209423905 is an odd 9-digits composite number following 209423904
and preceding 209423906 . In scientific notation, it is written as 2.09423905 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 167539120 positive integers (up to 209423905) that are relatively prime to 209423905.
209423905 has 4 divisors, whose sum is 251308692
The reverse of 209423905 is 509324902
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred nine million four hundred twenty-three thousand nine hundred five
Scientific notation
2.09423905 × 10^8
Engineering notation
2.09423905 × 10^6
Prime Factorization
5 × 41884781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209423905
Product of the distinct prime numbers
The prime factorization of 209423905 is 5 × 41884781.
Since it has a total of 2 prime factors.
6 , 7 , 34 , 84 , 108 , 680 , 9259 , 5216 , 67080 , 59337 , 931930 , 121610 , 4640912 , 8065739 , 66859336 , 82939460 , 346123514 , 314761227 , 691743603 , 8812418544
n×2
418847810
n×3
628271715
n×4
837695620
n×5
1047119525
n÷2
104711952.5
n÷3
69807968.333333
n÷3
52355976.25
n÷5
41884781
n2
43858371985449025
n3
9.1849915281353E+24
n4
1.923556793214E+33
n5
4.0283877512416E+41
2 √n
14471.485929233
3 √n
593.84816356677
4 √n
120.29748928898
5 √n
46.153564806537
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
-209423904
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 209423905 can be divided by 4 positive divisors.
The sum of these divisors (counting 209423905) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011110111000111000100001
3
Ternary
112121001211120221
4
Quaternary
30132320320201
5
Quinary
412103031110
6
Senary
32440403041
8
Octal
1436707041
10
Decimal
209423905
12
Duodecimal
5a176481
16
Hexadecimal
c7b8e21
20
Vigesimal
358hjf5
36
Base36
3gooip
md5
8cd038a80eed112a6e3785ac1bac8e57
sha1
929a399dc5e433c362392f98ad0ee167c31c1f09
sha256
569a7da65e1c2bac556118b6655783593ed5474641fd180385a70630948c40ff
sha512
3da06c91a364150895abc4785f82b5fe66df9c9765f09888d5381e7c597a7c2d2de39bf778f0d12f3d68dd185c3980689155594e4ab1b5345f504042a3192954
ripemd-160
dd39f0550858c6be5520e8b06a42b12e20f4f1e2
Diameter
418847810
Circumference
1315849202.8682
Area
1.377851392279E+17
Volume
3.8474002544099E+25
Surface area
5.5114055691158E+17
Circumference
1315849202.8682
Perimeter
837695620
Area
43858371985449025
Diagonal
296170126.73613
Surface area
263150231912694150
Volume
9.1849915281353E+24
Space diagonal
362732843.77948
Perimeter
628271715
Area
1.8991232154013E+16
Altitude
181366421.88974
Surface area
1.8991232154013E+16
Volume
1.0824616324476E+24
Height
98723375.578712