20188431 is an odd 8-digits composite number following 20188430
and preceding 20188432 . In scientific notation, it is written as 2.0188431 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 12750480 positive integers (up to 20188431) that are relatively prime to 20188431.
20188431 has 12 divisors, whose sum is 30696120
The reverse of 20188431 is 13488102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighty-eight thousand four hundred thirty-one
Scientific notation
2.0188431 × 10^7
Engineering notation
2.0188431 × 10^6
Prime Factorization
3 × 19 × 3 × 118061
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6729477
Product of the distinct prime numbers
The prime factorization of 20188431 is 3 × 19 × 3 × 118061.
Since it has a total of 4 prime factors.
2 , 3 , 80 , 32 , 512 , 293 , 5990 , 3889 , 1466 , 69747 , 581156 , 584345 , 5479456 , 8807746 , 18331965 , 81185238 , 310147519 , 74427565 , 3473526002 , 2035681146
n×2
40376862
n×3
60565293
n×4
80753724
n×5
100942155
n÷2
10094215.5
n÷3
6729477
n÷3
5047107.75
n÷5
4037686.2
n2
407572746241761
n3
8.2282542649823E+21
n4
1.6611554347905E+29
n5
3.3536121875543E+36
2 √n
4493.1537921598
3 √n
272.29156577352
4 √n
67.030991281345
5 √n
28.908164246629
1 , 3 , 9 , 19 , 57 , 171 , 118061 , 354183 , 1062549 , 2243159 , 6729477 , 20188431
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20188430
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20188431 can be divided by 12 positive divisors.
The sum of these divisors (counting 20188431) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000000110100001111
3
Ternary
1101222200022200
4
Quaternary
1031000310033
5
Quinary
20132012211
6
Senary
2000412543
8
Octal
115006417
10
Decimal
20188431
12
Duodecimal
6917153
16
Hexadecimal
1340d0f
20
Vigesimal
663b1b
36
Base36
c0phr
md5
2cb3e6ef6aeb638cb0b56e753373c785
sha1
ced0d19d0a6fe2c436c23a850c6074eae72c4029
sha256
6ef685810d0009efed6298d5c8ebf02a5d52df1702630a8c7eae16e8baf22c56
sha512
015576ac722b8b2bbafadf3b4e548abbb7036dfd21dcb1d779f495458a6e3548bd4780d918bc6cc79e5866632e1d40f2a7d68b86f23e88fdfcebeb1eefddf057
ripemd-160
c0e6a2794a3a13d0c2482a9f0b9b4b8b0de0eee7
Diameter
40376862
Circumference
126847653.03421
Area
1.2804275453965E+15
Volume
3.446643086765E+22
Surface area
5.1217101815861E+15
Circumference
126847653.03421
Perimeter
80753724
Area
407572746241761
Diagonal
28550752.923233
Surface area
2445436477450566
Volume
8.2282542649823E+21
Space diagonal
34967388.217099
Perimeter
60565293
Area
1.7648417606778E+14
Altitude
17483694.108549
Surface area
1.7648417606778E+14
Volume
9.6970906468269E+20
Height
9516917.6410778