20190809 is an odd 8-digits composite number following 20190808
and preceding 20190810 . In scientific notation, it is written as 2.0190809 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 19990800 positive integers (up to 20190809) that are relatively prime to 20190809.
20190809 has 4 divisors, whose sum is 20390820
The reverse of 20190809 is 90809102
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred ninety thousand eight hundred nine
Scientific notation
2.0190809 × 10^7
Engineering notation
2.0190809 × 10^6
Prime Factorization
101 × 199909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20190809
Product of the distinct prime numbers
The prime factorization of 20190809 is 101 × 199909.
Since it has a total of 2 prime factors.
2 , 1 , 3 , 63 , 898 , 268 , 9619 , 3582 , 44272 , 42810 , 683561 , 214740 , 3602049 , 597523 , 40868339 , 67568830 , 477549544 , 989674759 , 1840189327 , 6708559843
n×2
40381618
n×3
60572427
n×4
80763236
n×5
100954045
n÷2
10095404.5
n÷3
6730269.6666667
n÷3
5047702.25
n÷5
4038161.8
n2
407668768074481
n3
8.2311622314571E+21
n4
1.6619382446336E+29
n5
3.3555877667193E+36
2 √n
4493.4184091847
3 √n
272.30225644947
4 √n
67.032965093189
5 √n
28.908845234427
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
-20190808
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 20190809 can be divided by 4 positive divisors.
The sum of these divisors (counting 20190809) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001011001011001
3
Ternary
1101222210120202
4
Quaternary
1031001121121
5
Quinary
20132101214
6
Senary
2000431545
8
Octal
115013131
10
Decimal
20190809
12
Duodecimal
69185b5
16
Hexadecimal
1341659
20
Vigesimal
663h09
36
Base36
c0rbt
md5
45e116d30291161cd277ea07c30385a0
sha1
b1690ec07d90f65eb1de2d1001ac70a4587960e5
sha256
b8ea01ef8961706dca50c5341db2461684044d84a515ad8c41cebf6cd95531bf
sha512
b3f927bb69abbe9879bb237fa7e07613b7347dc61d9bce20c25c918633bfd00bdbf6f40cbf536448c5084a303476de18630570de701d9de6023372e9adfe58ea
ripemd-160
7ff32b2f6768f04f487bb17998bb3fa600cce8b5
Diameter
40381618
Circumference
126862594.44887
Area
1.2807292068808E+15
Volume
3.4478611729135E+22
Surface area
5.1229168275232E+15
Circumference
126862594.44887
Perimeter
80763236
Area
407668768074481
Diagonal
28554115.923085
Surface area
2446012608446886
Volume
8.2311622314571E+21
Space diagonal
34971507.033919
Perimeter
60572427
Area
1.76525754741E+14
Altitude
17485753.516959
Surface area
1.76525754741E+14
Volume
9.7005177181832E+20
Height
9518038.6410283