20381838 is an even 8-digits composite number following 20381837
and preceding 20381839 . In scientific notation, it is written as 2.0381838 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6397440 positive integers (up to 20381838) that are relatively prime to 20381838.
20381838 has 16 divisors, whose sum is 31689504
The reverse of 20381838 is 83818302
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million three hundred eighty-one thousand eight hundred thirty-eight
Scientific notation
2.0381838 × 10^7
Engineering notation
2.0381838 × 10^6
Prime Factorization
2 × 87 × 41 × 2857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20381838
Product of the distinct prime numbers
The prime factorization of 20381838 is 2 × 87 × 41 × 2857.
Since it has a total of 4 prime factors.
5 , 7 , 86 , 84 , 785 , 178 , 7239 , 9964 , 52539 , 50893 , 799107 , 123663 , 9196540 , 9559576 , 61279164 , 22322885 , 734320271 , 551599114 , 1183750992 , 8550065079
n×2
40763676
n×3
61145514
n×4
81527352
n×5
101909190
n÷2
10190919
n÷3
6793946
n÷3
5095459.5
n÷5
4076367.6
n2
415419320258244
n3
8.4670092875736E+21
n4
1.7257321164382E+29
n5
3.5173592428641E+36
2 √n
4514.6249013622
3 √n
273.15832971101
4 √n
67.190958479264
5 √n
28.963341774609
1 , 2 , 41 , 82 , 87 , 174 , 2857 , 3567 , 5714 , 7134 , 117137 , 234274 , 248559 , 497118 , 10190919 , 20381838
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20381837
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20381838 can be divided by 16 positive divisors.
The sum of these divisors (counting 20381838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110000000010001110
3
Ternary
1102100111121220
4
Quaternary
1031300002032
5
Quinary
20204204323
6
Senary
2004504210
8
Octal
115600216
10
Decimal
20381838
12
Duodecimal
69ab066
16
Hexadecimal
137008e
20
Vigesimal
677ebi
36
Base36
c4uq6
md5
c7ea5ac94787e272eb9d59f96ba0a752
sha1
a83532c365ff1b077221d8d9d78bfb54712e5637
sha256
d2b5b03fb55b2cdfa9c491f6423566f34e5dadc46b0f2bf58ebb1746ced4a84b
sha512
9bf9dcd910a2efc94a1975f3274e9893faead39c74acb3754861ce85267e72017c5855575aac5144ea310089bc7d4633b536c48ce3dafdb483e852592769f5a9
ripemd-160
c75abd2eb1d028fc06f0374f8da95e37334ce311
Diameter
40763676
Circumference
128062865.05491
Area
1.3050782846826E+15
Volume
3.5466525567624E+22
Surface area
5.2203131387303E+15
Circumference
128062865.05491
Perimeter
81527352
Area
415419320258244
Diagonal
28824271.725691
Surface area
2492515921549464
Volume
8.4670092875736E+21
Space diagonal
35302378.967638
Perimeter
61145514
Area
1.7988184228325E+14
Altitude
17651189.483819
Surface area
1.7988184228325E+14
Volume
9.9784661393547E+20
Height
9608090.5752304