209439668 is an even 9-digits composite number following 209439667
and preceding 209439669 . In scientific notation, it is written as 2.09439668 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 104719832 positive integers (up to 209439668) that are relatively prime to 209439668.
209439668 has 6 divisors, whose sum is 366519426
The reverse of 209439668 is 866934902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred nine million four hundred thirty-nine thousand six hundred sixty-eight
Scientific notation
2.09439668 × 10^8
Engineering notation
2.09439668 × 10^6
Prime Factorization
2 × 2 × 52359917
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
104719834
Product of the distinct prime numbers
The prime factorization of 209439668 is 2 × 2 × 52359917.
Since it has a total of 3 prime factors.
1 , 7 , 37 , 77 , 353 , 28 , 6934 , 4798 , 30370 , 59904 , 698256 , 491971 , 4981445 , 3156460 , 36192967 , 57567622 , 94016992 , 902233182 , 4257089112 , 243342890
n×2
418879336
n×3
628319004
n×4
837758672
n×5
1047198340
n÷2
104719834
n÷3
69813222.666667
n÷3
52359917
n÷5
41887933.6
n2
43864974531950224
n3
9.1870657028001E+24
n4
1.9241359906886E+33
n5
4.0299040307668E+41
2 √n
14472.030541704
3 √n
593.86306252455
4 √n
120.29975287466
5 √n
46.154259566516
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209439667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209439668 can be divided by 6 positive divisors.
The sum of these divisors (counting 209439668) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1100011110111100101110110100
3
Ternary
112121002122012202
4
Quaternary
30132330232310
5
Quinary
412104032133
6
Senary
32441004032
8
Octal
1436745664
10
Decimal
209439668
12
Duodecimal
5a183618
16
Hexadecimal
c7bcbb4
20
Vigesimal
358jj38
36
Base36
3gp0ok
md5
6a097342b9cf8f7786cf069768c3859d
sha1
b491b12ed580a8d3e1920876fdbeafa03515bdee
sha256
eacc2f1f1b9ff1795dce143f5c1ee38a396b9c032e1899711ec8c032b536c959
sha512
8db7d073625dcae133b1e6204b05d5622bc08798bbea7dc12d332b596177c0cb1a4540a77a6e6f6c3757eb82987380d8237189b700a20ec3cb5a3b403a6d1ebc
ripemd-160
01bbe350b8a67ca0c26aad8cdd6593d495fa7889
Diameter
418879336
Circumference
1315948244.7182
Area
1.3780588173948E+17
Volume
3.8482690826618E+25
Surface area
5.5122352695791E+17
Circumference
1315948244.7182
Perimeter
837758672
Area
43864974531950224
Diagonal
296192418.98452
Surface area
263189847191701344
Volume
9.1870657028001E+24
Space diagonal
362760146.09636
Perimeter
628319004
Area
1.8994091140513E+16
Altitude
181380073.04818
Surface area
1.8994091140513E+16
Volume
1.0827060762761E+24
Height
98730806.328173