20138238 is an even 8-digits composite number following 20138237
and preceding 20138239 . In scientific notation, it is written as 2.0138238 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 6414912 positive integers (up to 20138238) that are relatively prime to 20138238.
20138238 has 32 divisors, whose sum is 35078400
The reverse of 20138238 is 83283102
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred thirty-eight thousand two hundred thirty-eight
Scientific notation
2.0138238 × 10^7
Engineering notation
2.0138238 × 10^6
Prime Factorization
2 × 9 × 29 × 173 × 223
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20138238
Product of the distinct prime numbers
The prime factorization of 20138238 is 2 × 9 × 29 × 173 × 223.
Since it has a total of 5 prime factors.
1 , 8 , 89 , 9 , 251 , 337 , 5392 , 5812 , 72935 , 13000 , 536326 , 657411 , 237281 , 6409076 , 63722316 , 25933022 , 770052746 , 367329249 , 9747824909 , 5820850807
n×2
40276476
n×3
60414714
n×4
80552952
n×5
100691190
n÷2
10069119
n÷3
6712746
n÷3
5034559.5
n÷5
4027647.6
n2
405548629744644
n3
8.1670348263715E+21
n4
1.6446969108776E+29
n5
3.3121297829118E+36
2 √n
4487.5648184734
3 √n
272.06571905375
4 √n
66.989288833913
5 √n
28.893775484695
1 , 2 , 9 , 18 , 29 , 58 , 173 , 223 , 261 , 346 , 446 , 522 , 1557 , 2007 , 3114 , 4014 , 5017 , 6467 , 10034 , 12934 , 38579 , 45153 , 58203 , 77158 , 90306 , 116406 , 347211 , 694422 , 1118791 , 2237582 , 10069119 , 20138238
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138238 can be divided by 32 positive divisors.
The sum of these divisors (counting 20138238) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110100100011111110
3
Ternary
1101220010110200
4
Quaternary
1030310203332
5
Quinary
20123410423
6
Senary
1555344330
8
Octal
114644376
10
Decimal
20138238
12
Duodecimal
68b20a6
16
Hexadecimal
13348fe
20
Vigesimal
65h5bi
36
Base36
bzmri
md5
a83244eeba225b616c81dc8cb3002522
sha1
f529a3d5ff0d0e212204fe0e776c534c3eca048a
sha256
c3559831b448168da8b0e77ed00b16d6f1d0f31dcf9c22e50388a2d5b3465bea
sha512
510d98e16b8ebc869dfbd4a45484b215496b271b7eee0d240e2208e485a93e8eb205364cafdfd7fe23b9d940b2e6940ad3bd19fc243c13a28d4001deea4eaa9f
ripemd-160
ad1e0231fa809b35c489ed98e4b2cc61104a87bc
Diameter
40276476
Circumference
126532281.11409
Area
1.2740685958792E+15
Volume
3.4209995482854E+22
Surface area
5.0962743835167E+15
Circumference
126532281.11409
Perimeter
80552952
Area
405548629744644
Diagonal
28479769.301897
Surface area
2433291778467864
Volume
8.1670348263715E+21
Space diagonal
34880451.390914
Perimeter
60414714
Area
1.7560770791442E+14
Altitude
17440225.695457
Surface area
1.7560770791442E+14
Volume
9.6249428465233E+20
Height
9493256.4339657