208889309 is an odd 9-digits composite number following 208889308
and preceding 208889310 . In scientific notation, it is written as 2.08889309 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 203243616 positive integers (up to 208889309) that are relatively prime to 208889309.
208889309 has 4 divisors, whose sum is 214535004
The reverse of 208889309 is 903988802
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred eight million eight hundred eighty-nine thousand three hundred nine
Scientific notation
2.08889309 × 10^8
Engineering notation
2.08889309 × 10^6
Prime Factorization
37 × 5645657
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
208889309
Product of the distinct prime numbers
The prime factorization of 208889309 is 37 × 5645657.
Since it has a total of 2 prime factors.
7 , 9 , 78 , 10 , 991 , 282 , 8555 , 9149 , 11698 , 85445 , 375788 , 252182 , 7357508 , 593268 , 92148265 , 92336951 , 576019884 , 317739420 , 3339002695 , 6335350390
n×2
417778618
n×3
626667927
n×4
835557236
n×5
1044446545
n÷2
104444654.5
n÷3
69629769.666667
n÷3
52222327.25
n÷5
41777861.8
n2
43634743414497481
n3
9.1148314002467E+24
n4
1.903990832849E+33
n5
3.9772332941617E+41
2 √n
14453.003459489
3 √n
593.34242797012
4 √n
120.22064489716
5 √n
46.129977486458
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
-208889308
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 208889309 can be divided by 4 positive divisors.
The sum of these divisors (counting 208889309) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011100110110010111011101
3
Ternary
112120001200021002
4
Quaternary
30130312113131
5
Quinary
411433424214
6
Senary
32421120045
8
Octal
1434662735
10
Decimal
208889309
12
Duodecimal
59b59025
16
Hexadecimal
c7365dd
20
Vigesimal
355b359
36
Base36
3gd80t
md5
6e5017b9630e2724300f0e671ecb8931
sha1
a716e7598e91a8ab9256982e4fde58b9692b20a5
sha256
a92e2f675e433d7f1e8dda0761382a9dbfccbf3bd6ff50c3e750135e3100c1ba
sha512
0c0f8a5fbe928f5aed1ee343fba32d7741dfac1fcc7a043d6b5cb74ca273feb0e3127068cedeba59d6ad0d5177398ce8882412551333abb13d243b8646dc3864
ripemd-160
0e6f419fc406a539f8b2f9bde89461ca4a4a71c8
Diameter
417778618
Circumference
1312490237.1357
Area
1.3708258935226E+17
Volume
3.8180116487633E+25
Surface area
5.4833035740904E+17
Circumference
1312490237.1357
Perimeter
835557236
Area
43634743414497481
Diagonal
295414093.82254
Surface area
261808460486984886
Volume
9.1148314002467E+24
Space diagonal
361806896.34595
Perimeter
626667927
Area
1.8894398142285E+16
Altitude
180903448.17298
Surface area
1.8894398142285E+16
Volume
1.0741931820811E+24
Height
98471364.607515