20189809 is an odd 8-digits composite number following 20189808
and preceding 20189810 . In scientific notation, it is written as 2.0189809 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20124580 positive integers (up to 20189809) that are relatively prime to 20189809.
20189809 has 4 divisors, whose sum is 20255040
The reverse of 20189809 is 90898102
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred eighty-nine thousand eight hundred nine
Scientific notation
2.0189809 × 10^7
Engineering notation
2.0189809 × 10^6
Prime Factorization
311 × 64919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20189809
Product of the distinct prime numbers
The prime factorization of 20189809 is 311 × 64919.
Since it has a total of 2 prime factors.
6 , 4 , 7 , 23 , 726 , 702 , 2980 , 2673 , 93016 , 86777 , 156260 , 968567 , 7946795 , 7210868 , 10529719 , 32619882 , 723441554 , 640261388 , 3123772628 , 2608026577
n×2
40379618
n×3
60569427
n×4
80759236
n×5
100949045
n÷2
10094904.5
n÷3
6729936.3333333
n÷3
5047452.25
n÷5
4037961.8
n2
407628387456481
n3
8.2299392857243E+21
n4
1.6616090226037E+29
n5
3.3547568799046E+36
2 √n
4493.3071339493
3 √n
272.29776089324
4 √n
67.032135084222
5 √n
28.908558872271
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
-20189808
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 20189809 can be divided by 4 positive divisors.
The sum of these divisors (counting 20189809) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001001001110001
3
Ternary
1101222202012201
4
Quaternary
1031001021301
5
Quinary
20132033214
6
Senary
2000423201
8
Octal
115011161
10
Decimal
20189809
12
Duodecimal
6917b01
16
Hexadecimal
1341271
20
Vigesimal
663ea9
36
Base36
c0qk1
md5
a63cca791833b5bcec0becb724f18ec9
sha1
126e1373b9884dea1a696f74ee8d4f3b3024507c
sha256
9152e55de931267751386342f777b0738a1a9e917b2c9e2aff44b78930dcdc68
sha512
c7ccfc1e6ed4ac37bca9f79caecd2344bca90b3d1117a6fca45a202c9c47c8caa59df750a5c7fc31f834a34923c27fe4a018c53f0ed6c256a549103d41280948
ripemd-160
d80c90dbb95ce95896c0106a1398e7ca172dc36b
Diameter
40379618
Circumference
126856311.26356
Area
1.2806023474279E+15
Volume
3.4473489066029E+22
Surface area
5.1224093897117E+15
Circumference
126856311.26356
Perimeter
80759236
Area
407628387456481
Diagonal
28552701.709522
Surface area
2445770324738886
Volume
8.2299392857243E+21
Space diagonal
34969774.983111
Perimeter
60569427
Area
1.765082694205E+14
Altitude
17484887.491556
Surface area
1.765082694205E+14
Volume
9.6990764628154E+20
Height
9517567.2365075