208031209 is an odd 9-digits composite number following 208031208
and preceding 208031210 . In scientific notation, it is written as 2.08031209 × 10^8.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 197082180 positive integers (up to 208031209) that are relatively prime to 208031209.
208031209 has 4 divisors, whose sum is 218980240
The reverse of 208031209 is 902130802
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
two hundred eight million thirty-one thousand two hundred nine
Scientific notation
2.08031209 × 10^8
Engineering notation
2.08031209 × 10^6
Prime Factorization
19 × 10949011
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
208031209
Product of the distinct prime numbers
The prime factorization of 208031209 is 19 × 10949011.
Since it has a total of 2 prime factors.
6 , 3 , 45 , 91 , 439 , 808 , 9896 , 4375 , 10690 , 42898 , 938100 , 32536 , 7831549 , 6203987 , 69992295 , 91674333 , 494888604 , 760527238 , 6094438588 , 8831005871
n×2
416062418
n×3
624093627
n×4
832124836
n×5
1040156045
n÷2
104015604.5
n÷3
69343736.333333
n÷3
52007802.25
n÷5
41606241.8
n2
43276983918001681
n3
9.0029632863354E+24
n4
1.872897337039E+33
n5
3.896210973571E+41
2 √n
14423.287038675
3 √n
592.52884570584
4 √n
120.09699013162
5 √n
46.092015430872
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
-208031208
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 208031209 can be divided by 4 positive divisors.
The sum of these divisors (counting 208031209) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011001100100110111101001
3
Ternary
112111110002011121
4
Quaternary
30121210313221
5
Quinary
411223444314
6
Senary
32350455241
8
Octal
1431446751
10
Decimal
208031209
12
Duodecimal
59804521
16
Hexadecimal
c664de9
20
Vigesimal
3503i09
36
Base36
3futwp
md5
cb7fa45e1fffa1bd796e845334272b02
sha1
b7c2bfd67603e7d3a773d249eac46aedc2845fa4
sha256
39378243e82feed8512c32b4991967379d8cd17cb919c87c07ffa14a76e6560f
sha512
109aed77bcc534edbb2e1fdbd8172ed3d62420e3378847a13717d0c781667655787991aba36422cdf12bc7c96bc03aa473de2c5356dbd50b61d7f5798bebba60
ripemd-160
37a384409ee247c01679a5798cdb4609502f2c8b
Diameter
416062418
Circumference
1307098635.8236
Area
1.3595865474632E+17
Volume
3.7711524427853E+25
Surface area
5.4383461898527E+17
Circumference
1307098635.8236
Perimeter
832124836
Area
43276983918001681
Diagonal
294200557.16467
Surface area
259661903508010086
Volume
9.0029632863354E+24
Space diagonal
360320623.54798
Perimeter
624093627
Area
1.873948373608E+16
Altitude
180160311.77399
Surface area
1.873948373608E+16
Volume
1.0610093984236E+24
Height
98066852.388224