20831427 is an odd 8-digits composite number following 20831426
and preceding 20831428 . In scientific notation, it is written as 2.0831427 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 13887612 positive integers (up to 20831427) that are relatively prime to 20831427.
20831427 has 4 divisors, whose sum is 23146040
The reverse of 20831427 is 72413802
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred thirty-one thousand four hundred twenty-seven
Scientific notation
2.0831427 × 10^7
Engineering notation
2.0831427 × 10^6
Prime Factorization
9 × 2314603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20831427
Product of the distinct prime numbers
The prime factorization of 20831427 is 9 × 2314603.
Since it has a total of 2 prime factors.
7 , 5 , 87 , 56 , 10 , 342 , 1634 , 8356 , 65199 , 5570 , 420496 , 398518 , 4516667 , 2952213 , 88096356 , 16556699 , 795308771 , 45373737 , 629402881 , 6503521723
n×2
41662854
n×3
62494281
n×4
83325708
n×5
104157135
n÷2
10415713.5
n÷3
6943809
n÷3
5207856.75
n÷5
4166285.4
n2
433948350856329
n3
9.039763392634E+21
n4
1.8831117121093E+29
n5
3.9227904163649E+36
2 √n
4564.1458127452
3 √n
275.15221105324
4 √n
67.558462184579
5 √n
29.09000555803
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
-20831426
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 20831427 can be divided by 4 positive divisors.
The sum of these divisors (counting 20831427) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011101110011000011
3
Ternary
1110012100100100
4
Quaternary
1033131303003
5
Quinary
20313101202
6
Senary
2022253443
8
Octal
117356303
10
Decimal
20831427
12
Duodecimal
6b87283
16
Hexadecimal
13ddcc3
20
Vigesimal
6a3ib7
36
Base36
cehmr
md5
b532545db28a1e53e06b1ed6d6160854
sha1
7340f8a57d3cd0b5a3d9baaa1a31baf2e1945990
sha256
d5342b0d3c21ef3cdc7ca3953e0f408e7a7f5d17870e71e04d31b7baf94e7e91
sha512
c3a13e9d95da4e0b1c4ca9cd6cdd03573cc4673ab689e55128d6a1f1c2e224d0074b1c006e854f43b479ccb9720d63db9c27d58cbfd0b042eb314a6367dce173
ripemd-160
3469fc1c6e1eae713e74435593367f8da7153038
Diameter
41662854
Circumference
130887716.05398
Area
1.3632889510876E+15
Volume
3.7865672352652E+22
Surface area
5.4531558043506E+15
Circumference
130887716.05398
Perimeter
83325708
Area
433948350856329
Diagonal
29460086.586985
Surface area
2603690105137974
Volume
9.039763392634E+21
Space diagonal
36081089.958162
Perimeter
62494281
Area
1.8790514788597E+14
Altitude
18040544.979081
Surface area
1.8790514788597E+14
Volume
1.0653463325422E+21
Height
9820028.8623284