20109818 is an even 8-digits composite number following 20109817
and preceding 20109819 . In scientific notation, it is written as 2.0109818 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 9708160 positive integers (up to 20109818) that are relatively prime to 20109818.
20109818 has 8 divisors, whose sum is 31204980
The reverse of 20109818 is 81890102
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred nine thousand eight hundred eighteen
Scientific notation
2.0109818 × 10^7
Engineering notation
2.0109818 × 10^6
Prime Factorization
2 × 29 × 346721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20109818
Product of the distinct prime numbers
The prime factorization of 20109818 is 2 × 29 × 346721.
Since it has a total of 3 prime factors.
7 , 7 , 51 , 41 , 20 , 849 , 3479 , 3984 , 15254 , 16714 , 105706 , 624579 , 1501678 , 2309635 , 28699303 , 60137201 , 180399508 , 281678214 , 92363846 , 6678022475
n×2
40219636
n×3
60329454
n×4
80439272
n×5
100549090
n÷2
10054909
n÷3
6703272.6666667
n÷3
5027454.5
n÷5
4021963.6
n2
404404779993124
n3
8.1325065239918E+21
n4
1.6354322608129E+29
n5
3.2888245116275E+36
2 √n
4484.3971724191
3 √n
271.93767495027
4 √n
66.965641730809
5 √n
28.885615634402
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
-20109817
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 20109818 can be divided by 8 positive divisors.
The sum of these divisors (counting 20109818) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101101100111111010
3
Ternary
1101211200111002
4
Quaternary
1030231213322
5
Quinary
20122003233
6
Senary
1555005002
8
Octal
114554772
10
Decimal
20109818
12
Duodecimal
6899762
16
Hexadecimal
132d9fa
20
Vigesimal
65deai
36
Base36
bz0u2
md5
380a74d1920325011bc2c2707ddc6d51
sha1
7cfa33797a44cbd862d095bb79fcb8dab2a5895c
sha256
3538fb1b2051281189bff06e5b32a1b18a645514a3ce6b8f0fe2b239800838a1
sha512
eed7ba56f9827511c67b79b897307eb6f6d7c3116c7f2d47544df0a467e5edbc75f571441271a5137f2a71ef7fe532f48d4e80b394961724d94b5427370810b0
ripemd-160
bbc99717d2506f63c136c7aa05bf0378bf77b5fd
Diameter
40219636
Circumference
126353712.98766
Area
1.270475085903E+15
Volume
3.4065363668058E+22
Surface area
5.081900343612E+15
Circumference
126353712.98766
Perimeter
80439272
Area
404404779993124
Diagonal
28439577.352455
Surface area
2426428679958744
Volume
8.1325065239918E+21
Space diagonal
34831226.506963
Perimeter
60329454
Area
1.7511240644295E+14
Altitude
17415613.253482
Surface area
1.7511240644295E+14
Volume
9.5842508519307E+20
Height
9479859.1174849