20538238 is an even 8-digits composite number following 20538237
and preceding 20538239 . In scientific notation, it is written as 2.0538238 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8802096 positive integers (up to 20538238) that are relatively prime to 20538238.
20538238 has 8 divisors, whose sum is 35208432
The reverse of 20538238 is 83283502
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million five hundred thirty-eight thousand two hundred thirty-eight
Scientific notation
2.0538238 × 10^7
Engineering notation
2.0538238 × 10^6
Prime Factorization
2 × 7 × 1467017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20538238
Product of the distinct prime numbers
The prime factorization of 20538238 is 2 × 7 × 1467017.
Since it has a total of 3 prime factors.
8 , 10 , 6 , 33 , 826 , 888 , 1365 , 9399 , 52307 , 32863 , 401383 , 629490 , 327026 , 4542354 , 5714861 , 34723586 , 920997368 , 503731495 , 9365517987 , 3093057322
n×2
41076476
n×3
61614714
n×4
82152952
n×5
102691190
n÷2
10269119
n÷3
6846079.3333333
n÷3
5134559.5
n÷5
4107647.6
n2
421819220144644
n3
8.6634235363051E+21
n4
1.7793145448344E+29
n5
3.654398559867E+36
2 √n
4531.913282489
3 √n
273.85524347983
4 √n
67.319486647545
5 √n
29.007655995507
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
-20538237
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 20538238 can be divided by 8 positive divisors.
The sum of these divisors (counting 20538238) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010110001101111110
3
Ternary
1102122110011111
4
Quaternary
1032112031332
5
Quinary
20224210423
6
Senary
2012112234
8
Octal
116261576
10
Decimal
20538238
12
Duodecimal
6a6567a
16
Hexadecimal
139637e
20
Vigesimal
6875bi
36
Base36
c87em
md5
9a3a1b634d7bbdfdd8006f5a6ca28841
sha1
42888c56934d85454598357052fd8836d5d05e4a
sha256
0ad96db8d4d9ee19ba4bd05c18101604444ab6bbf463baca9b0a1901e93113b1
sha512
0cf60c09013613e9e52ef84d97f250c42b17ff2a1450e2cee5021564176709b8cbc6d95fae0d7c60655dd9520d40e72e6c0bde0ac0c75b8576c5cff98d0d3b09
ripemd-160
4a31e5dccad86bf50fa763b63c19862c26c4f0bd
Diameter
41076476
Circumference
129045555.23696
Area
1.3251841631494E+15
Volume
3.6289263648791E+22
Surface area
5.3007366525976E+15
Circumference
129045555.23696
Perimeter
82152952
Area
421819220144644
Diagonal
29045454.726846
Surface area
2530915320867864
Volume
8.6634235363051E+21
Space diagonal
35573271.713942
Perimeter
61614714
Area
1.826530802249E+14
Altitude
17786635.856971
Surface area
1.826530802249E+14
Volume
1.0209942551354E+21
Height
9681818.2422822