20686509 is an odd 8-digits composite number following 20686508
and preceding 20686510 . In scientific notation, it is written as 2.0686509 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 13452480 positive integers (up to 20686509) that are relatively prime to 20686509.
20686509 has 16 divisors, whose sum is 29305920
The reverse of 20686509 is 90568602
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-six thousand five hundred nine
Scientific notation
2.0686509 × 10^7
Engineering notation
2.0686509 × 10^6
Prime Factorization
27 × 3 × 41 × 6229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20686509
Product of the distinct prime numbers
The prime factorization of 20686509 is 27 × 3 × 41 × 6229.
Since it has a total of 4 prime factors.
3 , 5 , 41 , 17 , 189 , 569 , 6830 , 594 , 57344 , 23785 , 947763 , 387748 , 4703968 , 737863 , 70334255 , 8986768 , 386944710 , 53405822 , 3546364498 , 7816798339
n×2
41373018
n×3
62059527
n×4
82746036
n×5
103432545
n÷2
10343254.5
n÷3
6895503
n÷3
5171627.25
n÷5
4137301.8
n2
427931654607081
n3
8.8524120244143E+21
n4
1.8312550101475E+29
n5
3.7882273248712E+36
2 √n
4548.2424077879
3 √n
274.5126752187
4 √n
67.440658417514
5 √n
29.049418367544
1 , 3 , 27 , 41 , 81 , 123 , 1107 , 3321 , 6229 , 18687 , 168183 , 255389 , 504549 , 766167 , 6895503 , 20686509
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
-20686508
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 20686509 can be divided by 16 positive divisors.
The sum of these divisors (counting 20686509) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010011010101101
3
Ternary
1102220222120000
4
Quaternary
1032322122231
5
Quinary
20243432014
6
Senary
2015214513
8
Octal
116723255
10
Decimal
20686509
12
Duodecimal
6b17439
16
Hexadecimal
13ba6ad
20
Vigesimal
695g59
36
Base36
cbdt9
md5
2563b54769bd328e8e53c10031f81309
sha1
97e7f82236cd73264e188df3f6217da2707d3279
sha256
2c9742b500761751e0645c8060db735ac19ef865fcd2a6ff4fbc78c95089158d
sha512
bc527139668ffda707682dc4e25432893decd43e1fa71dd273de96f811d1c1edec14023f9beea415fbf571ac058b41aa2c527317edd96ef0ed3cd440544750d6
ripemd-160
247ea64802d6ec479a3c7c196c0adc6be6f3f40a
Diameter
41373018
Circumference
129977169.40564
Area
1.3443869423521E+15
Volume
3.70808967766E+22
Surface area
5.3775477694085E+15
Circumference
129977169.40564
Perimeter
82746036
Area
427931654607081
Diagonal
29255141.585953
Surface area
2567589927642486
Volume
8.8524120244143E+21
Space diagonal
35830084.619231
Perimeter
62059527
Area
1.8529984198662E+14
Altitude
17915042.309615
Surface area
1.8529984198662E+14
Volume
1.0432667620534E+21
Height
9751713.8619844