20831438 is an even 8-digits composite number following 20831437
and preceding 20831439 . In scientific notation, it is written as 2.0831438 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10219144 positive integers (up to 20831438) that are relatively prime to 20831438.
20831438 has 8 divisors, whose sum is 31836888
The reverse of 20831438 is 83413802
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million eight hundred thirty-one thousand four hundred thirty-eight
Scientific notation
2.0831438 × 10^7
Engineering notation
2.0831438 × 10^6
Prime Factorization
2 × 53 × 196523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20831438
Product of the distinct prime numbers
The prime factorization of 20831438 is 2 × 53 × 196523.
Since it has a total of 3 prime factors.
6 , 1 , 32 , 81 , 891 , 152 , 149 , 3022 , 13439 , 87716 , 556627 , 367808 , 285820 , 3943676 , 2924942 , 55954141 , 302878314 , 510663332 , 5877158396 , 9949144250
n×2
41662876
n×3
62494314
n×4
83325752
n×5
104157190
n÷2
10415719
n÷3
6943812.6666667
n÷3
5207859.5
n÷5
4166287.6
n2
433948809147844
n3
9.0397777129371E+21
n4
1.8831156896083E+29
n5
3.9228007734903E+36
2 √n
4564.1470177899
3 √n
275.15225948446
4 √n
67.558471103111
5 √n
29.090008630215
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20831437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20831438 can be divided by 8 positive divisors.
The sum of these divisors (counting 20831438) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111011101110011001110
3
Ternary
1110012100100202
4
Quaternary
1033131303032
5
Quinary
20313101223
6
Senary
2022253502
8
Octal
117356316
10
Decimal
20831438
12
Duodecimal
6b87292
16
Hexadecimal
13ddcce
20
Vigesimal
6a3ibi
36
Base36
cehn2
md5
769afaaae234743c5f326745a02a5c36
sha1
e579ada16265b05dca306e1803a1ad6e4a9b9ab1
sha256
b192cb59d4dc995c71e65fc4062d98a7a94b181dc7327673b02bfd070ac7cb0f
sha512
4e628454698ac98bb12dd8bfa296f4a49832f16b2071c112988e887c9901b3f685172590dcc3954b9c32f321fa2ee59d59c7c93280b7ed0bc731b08c7576582d
ripemd-160
4edfea5e655948c2b1648096bc842f648d14dbb8
Diameter
41662876
Circumference
130887785.16902
Area
1.3632903908529E+15
Volume
3.7865732337397E+22
Surface area
5.4531615634116E+15
Circumference
130887785.16902
Perimeter
83325752
Area
433948809147844
Diagonal
29460102.143334
Surface area
2603692854887064
Volume
9.0397777129371E+21
Space diagonal
36081109.010721
Perimeter
62494314
Area
1.8790534633202E+14
Altitude
18040554.50536
Surface area
1.8790534633202E+14
Volume
1.0653480202061E+21
Height
9820034.0477781