20538894 is an even 8-digits composite number following 20538893
and preceding 20538895 . In scientific notation, it is written as 2.0538894 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6759480 positive integers (up to 20538894) that are relatively prime to 20538894.
20538894 has 16 divisors, whose sum is 41598720
The reverse of 20538894 is 49883502
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million five hundred thirty-eight thousand eight hundred ninety-four
Scientific notation
2.0538894 × 10^7
Engineering notation
2.0538894 × 10^6
Prime Factorization
2 × 3 × 79 × 43331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20538894
Product of the distinct prime numbers
The prime factorization of 20538894 is 2 × 3 × 79 × 43331.
Since it has a total of 4 prime factors.
10 , 5 , 81 , 19 , 824 , 147 , 772 , 7484 , 23011 , 26062 , 223519 , 731876 , 5053763 , 5812998 , 27407931 , 23691241 , 579095567 , 213502173 , 4753373290 , 9494308904
n×2
41077788
n×3
61616682
n×4
82155576
n×5
102694470
n÷2
10269447
n÷3
6846298
n÷3
5134723.5
n÷5
4107778.8
n2
421846166743236
n3
8.6642537030456E+21
n4
1.7795418839596E+29
n5
3.6549822123207E+36
2 √n
4531.9856575236
3 √n
273.85815913285
4 √n
67.320024194319
5 √n
29.007841296498
1 , 2 , 3 , 6 , 79 , 158 , 237 , 474 , 43331 , 86662 , 129993 , 259986 , 3423149 , 6846298 , 10269447 , 20538894
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
-20538893
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 20538894 can be divided by 16 positive divisors.
The sum of these divisors (counting 20538894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110010110011000001110
3
Ternary
1102122111001210
4
Quaternary
1032112120032
5
Quinary
20224221034
6
Senary
2012115250
8
Octal
116263016
10
Decimal
20538894
12
Duodecimal
6a65b26
16
Hexadecimal
139660e
20
Vigesimal
68774e
36
Base36
c87wu
md5
f3a5bdd50484872d3e9a0c4b3bfa25a6
sha1
d7407cec47a644f51148aacfb3e6d01a719cac30
sha256
4e99fd29ee2387df7cb75843bf49a72f38d19a71658d2469e0604b3910efb10d
sha512
7e3a6ec831b8bbfc08ee6d11b9a40e1458e75c8e269a8d955dcadf44b208617480759baa8f263813e15a2cfb9e4920ab6d54b3acd8910c4178721c81be60f8ea
ripemd-160
972a26c2354d0ac515322872a35cadd67311eaeb
Diameter
41077788
Circumference
129049677.00652
Area
1.3252688183856E+15
Volume
3.6292741043102E+22
Surface area
5.3010752735423E+15
Circumference
129049677.00652
Perimeter
82155576
Area
421846166743236
Diagonal
29046382.450943
Surface area
2531077000459416
Volume
8.6642537030456E+21
Space diagonal
35574407.939272
Perimeter
61616682
Area
1.8266474844436E+14
Altitude
17787203.969636
Surface area
1.8266474844436E+14
Volume
1.021092091224E+21
Height
9682127.4836478