20188903 is an odd 8-digits composite number following 20188902
and preceding 20188904 . In scientific notation, it is written as 2.0188903 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 17304768 positive integers (up to 20188903) that are relatively prime to 20188903.
20188903 has 4 divisors, whose sum is 23073040
The reverse of 20188903 is 30988102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty-eight thousand nine hundred three
Scientific notation
2.0188903 × 10^7
Engineering notation
2.0188903 × 10^6
Prime Factorization
7 × 2884129
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20188903
Product of the distinct prime numbers
The prime factorization of 20188903 is 7 × 2884129.
Since it has a total of 2 prime factors.
6 , 2 , 48 , 9 , 236 , 594 , 8409 , 8097 , 84271 , 31205 , 623499 , 192463 , 4458239 , 7911669 , 79085769 , 81929060 , 228931267 , 198091746 , 6739136817 , 6790625307
n×2
40377806
n×3
60566709
n×4
80755612
n×5
100944515
n÷2
10094451.5
n÷3
6729634.3333333
n÷3
5047225.75
n÷5
4037780.6
n2
407591804343409
n3
8.2288314014841E+21
n4
1.6613107896792E+29
n5
3.3540042385686E+36
2 √n
4493.2063162067
3 √n
272.29368779111
4 √n
67.031383069475
5 √n
28.908299418361
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
-20188902
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 20188903 can be divided by 4 positive divisors.
The sum of these divisors (counting 20188903) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000111011100111
3
Ternary
1101222200222011
4
Quaternary
1031000323213
5
Quinary
20132021103
6
Senary
2000415051
8
Octal
115007347
10
Decimal
20188903
12
Duodecimal
6917487
16
Hexadecimal
1340ee7
20
Vigesimal
663c53
36
Base36
c0puv
md5
fe643209b1fbff7b9fbd4b0c7cf5f26b
sha1
f0361a13f7d2149ef378e4bdb0f52886b70655a5
sha256
3018b5645dd6458231c977744cce499b93452284383c798cf7588d2ca79e52ea
sha512
03e3773b78c2df1689e7c3413fee41a3ba8dacc2a5429f73e20b14575535843c1c5cf268238417d817468fcdc2f8bd172996aa0bbeb7d9c3842b3e1878572b81
ripemd-160
623c2c7dc70499c6eb643b65bad8d0d81850c7a3
Diameter
40377806
Circumference
126850618.69767
Area
1.2804874181887E+15
Volume
3.4468848371375E+22
Surface area
5.1219496727546E+15
Circumference
126850618.69767
Perimeter
80755612
Area
407591804343409
Diagonal
28551420.432035
Surface area
2445550826060454
Volume
8.2288314014841E+21
Space diagonal
34968205.74508
Perimeter
60566709
Area
1.7649242846786E+14
Altitude
17484102.87254
Surface area
1.7649242846786E+14
Volume
9.697770808717E+20
Height
9517140.1440116