208042909 is an odd 9-digits composite number following 208042908
and preceding 208042910 . In scientific notation, it is written as 2.08042909 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 204516700 positive integers (up to 208042909) that are relatively prime to 208042909.
208042909 has 4 divisors, whose sum is 211569120
The reverse of 208042909 is 909240802
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred eight million forty-two thousand nine hundred nine
Scientific notation
2.08042909 × 10^8
Engineering notation
2.08042909 × 10^6
Prime Factorization
59 × 3526151
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
208042909
Product of the distinct prime numbers
The prime factorization of 208042909 is 59 × 3526151.
Since it has a total of 2 prime factors.
9 , 3 , 21 , 49 , 268 , 903 , 4057 , 6972 , 41359 , 51044 , 797658 , 463963 , 5622572 , 6274412 , 19043886 , 41032598 , 981662991 , 268262383 , 2160707161 , 1926752389
n×2
416085818
n×3
624128727
n×4
832171636
n×5
1040214545
n÷2
104021454.5
n÷3
69347636.333333
n÷3
52010727.25
n÷5
41608581.8
n2
43281851985182281
n3
9.0044823939047E+24
n4
1.8733187112672E+33
n5
3.8973067417617E+41
2 √n
14423.692627063
3 √n
592.53995374674
4 √n
120.09867870657
5 √n
46.092533876592
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
-208042908
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 208042909 can be divided by 4 positive divisors.
The sum of these divisors (counting 208042909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011001100111101110011101
3
Ternary
112111110200012221
4
Quaternary
30121213232131
5
Quinary
411224333114
6
Senary
32351025341
8
Octal
1431475635
10
Decimal
208042909
12
Duodecimal
5980b251
16
Hexadecimal
c667b9d
20
Vigesimal
3505759
36
Base36
3fv2xp
md5
ee749d52bf209a7d07cd77bf8087a986
sha1
80d40dd2f35b85fd186f434237c8157121e83e09
sha256
5c4b25d02f3066e5e50b59ed51656d1307c5205873ebc6f7d56241e7902ac118
sha512
09231e81b72c0e3a659f65a6fcc039515e1d6e6528a3f698c1182ce599c9135a3e059c4d33305cf22211b7d4aee5c9192678b9dfb0200ece5e3e07a7f397dfb9
ripemd-160
bd54f03324485708a6903892a81f16676f0c5b9c
Diameter
416085818
Circumference
1307172149.0917
Area
1.3597394823041E+17
Volume
3.771788765076E+25
Surface area
5.4389579292164E+17
Circumference
1307172149.0917
Perimeter
832171636
Area
43281851985182281
Diagonal
294217103.46335
Surface area
259691111911093686
Volume
9.0044823939047E+24
Space diagonal
360340888.54243
Perimeter
624128727
Area
1.8741591671003E+16
Altitude
180170444.27121
Surface area
1.8741591671003E+16
Volume
1.0611884269675E+24
Height
98072367.821117