208066991 is an odd 9-digits composite number following 208066990
and preceding 208066992 . In scientific notation, it is written as 2.08066991 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 186487000 positive integers (up to 208066991) that are relatively prime to 208066991.
208066991 has 8 divisors, whose sum is 230179968
The reverse of 208066991 is 199660802
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred eight million sixty-six thousand nine hundred ninety-one
Scientific notation
2.08066991 × 10^8
Engineering notation
2.08066991 × 10^6
Prime Factorization
11 × 71 × 266411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
208066991
Product of the distinct prime numbers
The prime factorization of 208066991 is 11 × 71 × 266411.
Since it has a total of 3 prime factors.
7 , 8 , 40 , 75 , 760 , 97 , 8842 , 2634 , 68186 , 93474 , 456886 , 86325 , 5764570 , 5026585 , 11594507 , 3003496 , 36372837 , 162569764 , 714577302 , 1998999730
n×2
416133982
n×3
624200973
n×4
832267964
n×5
1040334955
n÷2
104033495.5
n÷3
69355663.666667
n÷3
52016747.75
n÷5
41613398.2
n2
43291872743794081
n3
9.0076096965561E+24
n4
1.8741862456649E+33
n5
3.8995629270907E+41
2 √n
14424.527409936
3 √n
592.56281601215
4 √n
120.10215406035
5 √n
46.093600915132
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-208066990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 208066991 can be divided by 8 positive divisors.
The sum of these divisors (counting 208066991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011001101101100110101111
3
Ternary
112111111220020212
4
Quaternary
30121231212233
5
Quinary
411231120431
6
Senary
32351333035
8
Octal
1431554657
10
Decimal
208066991
12
Duodecimal
5982117b
16
Hexadecimal
c66d9af
20
Vigesimal
350879b
36
Base36
3fvlin
md5
27abb19030a46bf3181e9185e03266c7
sha1
73289705ffb5ab99e751fdf4338a8046e4d09701
sha256
f2c0f4f743a11cb0a160ec0473d79cbed492f91bcced8a4ed23b7d4cb48c7d18
sha512
c420fc41110e81f3da716d21032541f6efd9d455beb227bd54f7fd68cdb37f4242e641e8feccbdc9fbe43119495efa0a262cbd83e5962f47f5f2fab976f6eae8
ripemd-160
672c0e5a8e817879ef8da2f70a09294254139699
Diameter
416133982
Circumference
1307323460.7603
Area
1.3600542937205E+17
Volume
3.7730987265473E+25
Surface area
5.4402171748819E+17
Circumference
1307323460.7603
Perimeter
832267964
Area
43291872743794081
Diagonal
294251160.55436
Surface area
259751236462764486
Volume
9.0076096965561E+24
Space diagonal
360382599.78998
Perimeter
624200973
Area
1.8745930786764E+16
Altitude
180191299.89499
Surface area
1.8745930786764E+16
Volume
1.0615569831194E+24
Height
98083720.184787