20131686 is an even 8-digits composite number following 20131685
and preceding 20131687 . In scientific notation, it is written as 2.0131686 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 6710544 positive integers (up to 20131686) that are relatively prime to 20131686.
20131686 has 16 divisors, whose sum is 44737200
The reverse of 20131686 is 68613102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred thirty-one thousand six hundred eighty-six
Scientific notation
2.0131686 × 10^7
Engineering notation
2.0131686 × 10^6
Prime Factorization
2 × 3 × 3 × 3 × 372809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2236854
Product of the distinct prime numbers
The prime factorization of 20131686 is 2 × 3 × 3 × 3 × 372809.
Since it has a total of 5 prime factors.
7 , 5 , 6 , 85 , 18 , 166 , 1837 , 2810 , 37998 , 81811 , 470859 , 441962 , 2382657 , 2227128 , 14547669 , 93426144 , 391741882 , 98003505 , 9890153586 , 664027913
n×2
40263372
n×3
60395058
n×4
80526744
n×5
100658430
n÷2
10065843
n÷3
6710562
n÷3
5032921.5
n÷5
4026337.2
n2
405284781202596
n3
8.1590659557494E+21
n4
1.6425575387444E+29
n5
3.3067452606934E+36
2 √n
4486.8347417751
3 √n
272.03621021676
4 √n
66.98383940754
5 √n
28.891895115032
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 372809 , 745618 , 1118427 , 2236854 , 3355281 , 6710562 , 10065843 , 20131686
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
-20131685
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 20131686 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131686) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010111101100110
3
Ternary
1101212210111000
4
Quaternary
1030302331212
5
Quinary
20123203221
6
Senary
1555254130
8
Octal
114627546
10
Decimal
20131686
12
Duodecimal
68aa346
16
Hexadecimal
1332f66
20
Vigesimal
65g946
36
Base36
bzhpi
md5
215d40c983a852053cb9dca6dabaa23a
sha1
9513afab36ec980404c1b47851a79a5d7471a40b
sha256
383a5d672850791af4e6a995e0c9210fa5ceeee84edb498d615100c3a105ebe2
sha512
4ffeb06f86ca8173f203f9365a2687f1ededf422973355ebcfb39232eb558e7d0430b98f6426a517d322d715e9824449b9e09771f31b936cf4f139f440ff19a1
ripemd-160
7c8a5bf10203178de787461354bc3f2c7d94789e
Diameter
40263372
Circumference
126491113.68395
Area
1.2732396912378E+15
Volume
3.4176615555649E+22
Surface area
5.0929587649513E+15
Circumference
126491113.68395
Perimeter
80526744
Area
405284781202596
Diagonal
28470503.374637
Surface area
2431708687215576
Volume
8.1590659557494E+21
Space diagonal
34869102.994023
Perimeter
60395058
Area
1.7549345814433E+14
Altitude
17434551.497012
Surface area
1.7549345814433E+14
Volume
9.6155514424311E+20
Height
9490167.7915455