20731279 is an odd 8-digits composite number following 20731278
and preceding 20731280 . In scientific notation, it is written as 2.0731279 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 19511776 positive integers (up to 20731279) that are relatively prime to 20731279.
20731279 has 4 divisors, whose sum is 21950784
The reverse of 20731279 is 97213702
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred thirty-one thousand two hundred seventy-nine
Scientific notation
2.0731279 × 10^7
Engineering notation
2.0731279 × 10^6
Prime Factorization
17 × 1219487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20731279
Product of the distinct prime numbers
The prime factorization of 20731279 is 17 × 1219487.
Since it has a total of 2 prime factors.
3 , 5 , 61 , 40 , 2 , 485 , 5921 , 3932 , 68902 , 53182 , 620481 , 732074 , 188590 , 6560293 , 44551735 , 63201321 , 596654158 , 503877527 , 5660236352 , 1505367698
n×2
41462558
n×3
62193837
n×4
82925116
n×5
103656395
n÷2
10365639.5
n÷3
6910426.3333333
n÷3
5182819.75
n÷5
4146255.8
n2
429785928975841
n3
8.9100120038723E+21
n4
1.8471594474563E+29
n5
3.8293977862702E+36
2 √n
4553.1614291611
3 √n
274.71056710895
4 √n
67.477117819014
5 √n
29.061981319176
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
-20731278
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 20731279 can be divided by 4 positive divisors.
The sum of these divisors (counting 20731279) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000101010110001111
3
Ternary
1110000020222011
4
Quaternary
1033011112033
5
Quinary
20301400104
6
Senary
2020202051
8
Octal
117052617
10
Decimal
20731279
12
Duodecimal
6b39327
16
Hexadecimal
13c558f
20
Vigesimal
69b83j
36
Base36
ccccv
md5
df7a82f94ece0731de1b2951383ff654
sha1
e82da9421c38286902f931b765bfcbecc898aac2
sha256
7b8f6eebd51952be49590ddaed86df87cefc22a92385e6a593dc046fea545334
sha512
9a4f31d6e703ecfa244ac615f1446a314b69ffec1df5a301de85e5b4a33fb57cc7b5a2c1e3029e5e3e99c7605d532a703851230dd56ebda37cb258140bd86843
ripemd-160
0d105a720ddc1d5ef904dc6c0ec27d8635cd1ab0
Diameter
41462558
Circumference
130258467.61184
Area
1.3502123170868E+15
Volume
3.732217100635E+22
Surface area
5.4008492683471E+15
Circumference
130258467.61184
Perimeter
82925116
Area
429785928975841
Diagonal
29318455.927141
Surface area
2578715573855046
Volume
8.9100120038723E+21
Space diagonal
35907628.533886
Perimeter
62193837
Area
1.8610276634109E+14
Altitude
17953814.266943
Surface area
1.8610276634109E+14
Volume
1.0500549847319E+21
Height
9772818.6423802