20402686 is an even 8-digits composite number following 20402685
and preceding 20402687 . In scientific notation, it is written as 2.0402686 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 9574144 positive integers (up to 20402686) that are relatively prime to 20402686.
20402686 has 16 divisors, whose sum is 32495904
The reverse of 20402686 is 68620402
Previous prime number is 503
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred two thousand six hundred eighty-six
Scientific notation
2.0402686 × 10^7
Engineering notation
2.0402686 × 10^6
Prime Factorization
2 × 17 × 503 × 1193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20402686
Product of the distinct prime numbers
The prime factorization of 20402686 is 2 × 17 × 503 × 1193.
Since it has a total of 4 prime factors.
5 , 2 , 23 , 73 , 338 , 955 , 5463 , 7732 , 18534 , 33984 , 439995 , 788245 , 4955077 , 1710443 , 34873252 , 6617802 , 124976312 , 647543882 , 5031439790 , 1051465179
n×2
40805372
n×3
61208058
n×4
81610744
n×5
102013430
n÷2
10201343
n÷3
6800895.3333333
n÷3
5100671.5
n÷5
4080537.2
n2
416269596014596
n3
8.4930178588327E+21
n4
1.7328037656615E+29
n5
3.535385113041E+36
2 √n
4516.9332516653
3 √n
273.25143325865
4 √n
67.208133820731
5 √n
28.969264506853
1 , 2 , 17 , 34 , 503 , 1006 , 1193 , 2386 , 8551 , 17102 , 20281 , 40562 , 600079 , 1200158 , 10201343 , 20402686
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402685
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402686 can be divided by 16 positive divisors.
The sum of these divisors (counting 20402686) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101000111111110
3
Ternary
1102101120020001
4
Quaternary
1031311013332
5
Quinary
20210341221
6
Senary
2005144514
8
Octal
115650776
10
Decimal
20402686
12
Duodecimal
69bb13a
16
Hexadecimal
13751fe
20
Vigesimal
67a6e6
36
Base36
c5ata
md5
1e31022ced058a5b7e77fec32bcbd0fd
sha1
09cab5b1fa42a2cfcafa944fc10da88de9f4427d
sha256
2cea5465a889602e37f68cde5dd6a97fa2975a3d5170fefe04a6e244812eb49d
sha512
94d57c231a92a6d34f9fc658fff8175a338f7ee2b8e84f7696f2c3aeb20b3afb80dd9663ab94174e13c6dbf3c7ec02073b45ee1367d8ed4dc8ee9a6f66733139
ripemd-160
5c283bacc4bd6b635c080b6093601c26ef7ae338
Diameter
40805372
Circumference
128193856.9022
Area
1.3077495047522E+15
Volume
3.5575470016154E+22
Surface area
5.230998019009E+15
Circumference
128193856.9022
Perimeter
81610744
Area
416269596014596
Diagonal
28853755.25004
Surface area
2497617576087576
Volume
8.4930178588327E+21
Space diagonal
35338488.762874
Perimeter
61208058
Area
1.8025002248586E+14
Altitude
17669244.381437
Surface area
1.8025002248586E+14
Volume
1.0009117534532E+21
Height
9617918.4166799