20686507 is an odd 8-digits composite number following 20686506
and preceding 20686508 . In scientific notation, it is written as 2.0686507 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20623680 positive integers (up to 20686507) that are relatively prime to 20686507.
20686507 has 4 divisors, whose sum is 20749336
The reverse of 20686507 is 70568602
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred eighty-six thousand five hundred seven
Scientific notation
2.0686507 × 10^7
Engineering notation
2.0686507 × 10^6
Prime Factorization
331 × 62497
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20686507
Product of the distinct prime numbers
The prime factorization of 20686507 is 331 × 62497.
Since it has a total of 2 prime factors.
6 , 4 , 36 , 10 , 568 , 24 , 3809 , 4367 , 89467 , 82006 , 248466 , 916986 , 3291754 , 3434263 , 44132561 , 26640033 , 258563825 , 61542094 , 4249281244 , 7400801747
n×2
41373014
n×3
62059521
n×4
82746028
n×5
103432535
n÷2
10343253.5
n÷3
6895502.3333333
n÷3
5171626.75
n÷5
4137301.4
n2
427931571861049
n3
8.8524094568246E+21
n4
1.8312543019547E+29
n5
3.7882254936166E+36
2 √n
4548.2421879227
3 √n
274.51266637195
4 √n
67.440656787451
5 √n
29.049417805836
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
-20686506
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 20686507 can be divided by 4 positive divisors.
The sum of these divisors (counting 20686507) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010011010101011
3
Ternary
1102220222112221
4
Quaternary
1032322122223
5
Quinary
20243432012
6
Senary
2015214511
8
Octal
116723253
10
Decimal
20686507
12
Duodecimal
6b17437
16
Hexadecimal
13ba6ab
20
Vigesimal
695g57
36
Base36
cbdt7
md5
d65da0db89fa98a71aabfe28f96aaf59
sha1
82c6f0e49c29833fc0ea1b91e5d0ec7a3f10e3c8
sha256
05606b483f03375a7c0f904d55d8b7439c589ca8a3d4cc00b5e80082899465ee
sha512
beede3bb95cf0e42614c58580d1d8587cac3447c0db40d4830806b8a5aa795b9fb2d5b5dc5fadcc4fd794d1a5f27e71e8aad3d15ab3caafb14259f02343924bd
ripemd-160
1070a79646b7aab3660c76c9d4060f2ad5ade17a
Diameter
41373014
Circumference
129977156.83927
Area
1.3443866823978E+15
Volume
3.7080886021505E+22
Surface area
5.3775467295912E+15
Circumference
129977156.83927
Perimeter
82746028
Area
427931571861049
Diagonal
29255138.757526
Surface area
2567589431166294
Volume
8.8524094568246E+21
Space diagonal
35830081.155129
Perimeter
62059521
Area
1.8529980615654E+14
Altitude
17915040.577565
Surface area
1.8529980615654E+14
Volume
1.0432664594601E+21
Height
9751712.9191753