19986209 is an odd 8-digits composite number following 19986208
and preceding 19986210 . In scientific notation, it is written as 1.9986209 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 19652400 positive integers (up to 19986209) that are relatively prime to 19986209.
19986209 has 8 divisors, whose sum is 20323008
The reverse of 19986209 is 90268991
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million nine hundred eighty-six thousand two hundred nine
Scientific notation
1.9986209 × 10^7
Engineering notation
1.9986209 × 10^6
Prime Factorization
151 × 107 × 1237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19986209
Product of the distinct prime numbers
The prime factorization of 19986209 is 151 × 107 × 1237.
Since it has a total of 3 prime factors.
5 , 4 , 97 , 56 , 170 , 515 , 161 , 8650 , 96318 , 50118 , 226620 , 31686 , 9276456 , 6376337 , 93281154 , 21684543 , 892341437 , 225875093 , 3686535061 , 7541533624
n×2
39972418
n×3
59958627
n×4
79944836
n×5
99931045
n÷2
9993104.5
n÷3
6662069.6666667
n÷3
4996552.25
n÷5
3997241.8
n2
399448550191681
n3
7.9834622088779E+21
n4
1.5955914425024E+29
n5
3.1889824048464E+36
2 √n
4470.5938084331
3 √n
271.37935642453
4 √n
66.862499268522
5 √n
28.850017765251
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
-19986208
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 19986209 can be divided by 8 positive divisors.
The sum of these divisors (counting 19986209) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001111011100100001
3
Ternary
1101121101220222
4
Quaternary
1030033130201
5
Quinary
20104024314
6
Senary
1552212425
8
Octal
114173441
10
Decimal
19986209
12
Duodecimal
683a115
16
Hexadecimal
130f721
20
Vigesimal
64i5a9
36
Base36
bwdgh
md5
17f77bae0c5cb25a35578e65aa1e7c63
sha1
6d37a222d93e525ac38371b689c1819b36c18dcf
sha256
a6ebd39c6e430dcf3bd1d51cc575c156f00ba36e1d15a3b5baeef481c20aec28
sha512
84e7bfd6c9e171111c3c336fb5388035d3d3fce8661f70c70c0ff61bd216de4e4ba5ebb2315ee5393cba17c1e7fb6d067f2be64f8d40cbbcdf2297d6e235272b
ripemd-160
fd1231cea16b3365ae08064381d1b7590a84d0af
Diameter
39972418
Circumference
125577054.73502
Area
1.2549046307693E+15
Volume
3.344104830083E+22
Surface area
5.0196185230771E+15
Circumference
125577054.73502
Perimeter
79944836
Area
399448550191681
Diagonal
28264767.828223
Surface area
2396691301150086
Volume
7.9834622088779E+21
Space diagonal
34617129.43869
Perimeter
59958627
Area
1.7296629598543E+14
Altitude
17308564.719345
Surface area
1.7296629598543E+14
Volume
9.4086004420735E+20
Height
9421589.2760744