20131688 is an even 8-digits composite number following 20131687
and preceding 20131689 . In scientific notation, it is written as 2.0131688 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 9997696 positive integers (up to 20131688) that are relatively prime to 20131688.
20131688 has 16 divisors, whose sum is 38002500
The reverse of 20131688 is 88613102
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred thirty-one thousand six hundred eighty-eight
Scientific notation
2.0131688 × 10^7
Engineering notation
2.0131688 × 10^6
Prime Factorization
2 × 2 × 2 × 149 × 16889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5032922
Product of the distinct prime numbers
The prime factorization of 20131688 is 2 × 2 × 2 × 149 × 16889.
Since it has a total of 5 prime factors.
4 , 1 , 9 , 67 , 835 , 119 , 1923 , 8071 , 99055 , 59478 , 800727 , 660548 , 5306895 , 5569238 , 74861681 , 11225614 , 897551143 , 730668304 , 8139821542 , 4391821630
n×2
40263376
n×3
60395064
n×4
80526752
n×5
100658440
n÷2
10065844
n÷3
6710562.6666667
n÷3
5032922
n÷5
4026337.6
n2
405284861729344
n3
8.1590683874583E+21
n4
1.6425581914697E+29
n5
3.3067469032513E+36
2 √n
4486.8349646494
3 √n
272.03621922532
4 √n
66.983841071182
5 √n
28.891895689091
1 , 2 , 4 , 8 , 149 , 298 , 596 , 1192 , 16889 , 33778 , 67556 , 135112 , 2516461 , 5032922 , 10065844 , 20131688
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
-20131687
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 20131688 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131688) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010111101101000
3
Ternary
1101212210111002
4
Quaternary
1030302331220
5
Quinary
20123203223
6
Senary
1555254132
8
Octal
114627550
10
Decimal
20131688
12
Duodecimal
68aa348
16
Hexadecimal
1332f68
20
Vigesimal
65g948
36
Base36
bzhpk
md5
610951bd9e925ae3e9dc3c05885dc672
sha1
7ecade9599858198402c4438fb28f95d459dc73a
sha256
8b662ecb7674b957cfb96d22ca902265ae0f3823ac817cf6398329716fe9deab
sha512
0024a5e531cef810fb7820ad88c34bf52f2b69857fb85369b0eb847b988835e833fb275f2275aae3c6ce2a9a7860652b9f0273269cf59810c9fd31a43f33d588
ripemd-160
884f7205f1d05ca973c80b541dab8be45eb60252
Diameter
40263376
Circumference
126491126.25032
Area
1.2732399442201E+15
Volume
3.4176625741568E+22
Surface area
5.0929597768802E+15
Circumference
126491126.25032
Perimeter
80526752
Area
405284861729344
Diagonal
28470506.203064
Surface area
2431709170376064
Volume
8.1590683874583E+21
Space diagonal
34869106.458125
Perimeter
60395064
Area
1.7549349301344E+14
Altitude
17434553.229062
Surface area
1.7549349301344E+14
Volume
9.6155543082276E+20
Height
9490168.7343546