20565291 is an odd 8-digits composite number following 20565290
and preceding 20565292 . In scientific notation, it is written as 2.0565291 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12903680 positive integers (up to 20565291) that are relatively prime to 20565291.
20565291 has 8 divisors, whose sum is 29033424
The reverse of 20565291 is 19256502
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred sixty-five thousand two hundred ninety-one
Scientific notation
2.0565291 × 10^7
Engineering notation
2.0565291 × 10^6
Prime Factorization
3 × 17 × 403241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20565291
Product of the distinct prime numbers
The prime factorization of 20565291 is 3 × 17 × 403241.
Since it has a total of 3 prime factors.
9 , 4 , 77 , 93 , 970 , 25 , 7507 , 8105 , 36275 , 18334 , 326557 , 22427 , 7859595 , 3415633 , 79319425 , 7995656 , 290133123 , 897023469 , 8883854347 , 9885801991
n×2
41130582
n×3
61695873
n×4
82261164
n×5
102826455
n÷2
10282645.5
n÷3
6855097
n÷3
5141322.75
n÷5
4113058.2
n2
422931193914681
n3
8.6977030758328E+21
n4
1.788707947861E+29
n5
3.6785299461774E+36
2 √n
4534.8970219841
3 √n
273.97543157978
4 √n
67.341644039807
5 √n
29.015293758568
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
-20565290
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 20565291 can be divided by 8 positive divisors.
The sum of these divisors (counting 20565291) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011100110100101011
3
Ternary
1102200211021110
4
Quaternary
1032130310223
5
Quinary
20231042131
6
Senary
2012441403
8
Octal
116346453
10
Decimal
20565291
12
Duodecimal
6a79263
16
Hexadecimal
139cd2b
20
Vigesimal
68ad4b
36
Base36
c8sa3
md5
aa726ab66f6e065b060b9f767bd0cb44
sha1
fbd51a4af7e5b3344505b179e4e9fc896ad901a8
sha256
064b805fc32260fb4766a09bfb054b0b93c8a5bf91be84f9e064937e0aff526c
sha512
c8fb1e46a1319f948dcd5b5839cc29ddbeab162c6e6d8bef8391b8b950500bf4d52abf119e661bbbca79f738f7f066eeaf95b958b37439a65c8c0a043142f6dc
ripemd-160
5e941c370f41b78ae0cbb807297d767bc7bdc4cd
Diameter
41130582
Circumference
129215534.24907
Area
1.3286775317763E+15
Volume
3.6432853448189E+22
Surface area
5.3147101271053E+15
Circumference
129215534.24907
Perimeter
82261164
Area
422931193914681
Diagonal
29083713.446349
Surface area
2537587163488086
Volume
8.6977030758328E+21
Space diagonal
35620128.884439
Perimeter
61695873
Area
1.831345789915E+14
Altitude
17810064.442219
Surface area
1.831345789915E+14
Volume
1.0250341376114E+21
Height
9694571.1487831