20565390 is an even 8-digits composite number following 20565389
and preceding 20565391 . In scientific notation, it is written as 2.0565390 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5484096 positive integers (up to 20565390) that are relatively prime to 20565390.
20565390 has 16 divisors, whose sum is 49357008
The reverse of 20565390 is 09356502
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred sixty-five thousand three hundred ninety
Scientific notation
2.0565390 × 10^7
Engineering notation
2.0565390 × 10^6
Prime Factorization
2 × 5 × 3 × 685513
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20565390
Product of the distinct prime numbers
The prime factorization of 20565390 is 2 × 5 × 3 × 685513.
Since it has a total of 4 prime factors.
2 , 6 , 13 , 88 , 285 , 889 , 586 , 8217 , 89809 , 68251 , 392302 , 481657 , 9520606 , 2694456 , 51250115 , 10451789 , 238742187 , 276169988 , 6073077802 , 628337583
n×2
41130780
n×3
61696170
n×4
82261560
n×5
102826950
n÷2
10282695
n÷3
6855130
n÷3
5141347.5
n÷5
4113078
n2
422935265852100
n3
8.6978286870021E+21
n4
1.7887423910139E+29
n5
3.6786184880733E+36
2 √n
4534.9079373235
3 √n
273.97587121249
4 √n
67.341725084256
5 √n
29.015321694069
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 685513 , 1371026 , 2056539 , 3427565 , 4113078 , 6855130 , 10282695 , 20565390
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
-20565389
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 20565390 can be divided by 16 positive divisors.
The sum of these divisors (counting 20565390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110011100110110001110
3
Ternary
1102200211102010
4
Quaternary
1032130312032
5
Quinary
20231043030
6
Senary
2012442050
8
Octal
116346616
10
Decimal
20565390
12
Duodecimal
6a79326
16
Hexadecimal
139cd8e
20
Vigesimal
68ad9a
36
Base36
c8scu
md5
03fd0c129a6ff5ef3fe7367a9d759ac9
sha1
bab4e2e958d45909fc236191b2cda53427ede170
sha256
82bab849f53fcd324320561b8a765ef140babd82591213f7dbf6a194ae65fdf3
sha512
44dfc7d97e42ef5a99fdaee2396794399b625d08d5e4c5176b25315542bcbb6448aa8135ec7a4d05e9547a1ea912f787cc5a3b1d31ad895e7e86411266227781
ripemd-160
7d484368a2514ed5a3cdc966b72d83b13fd6f203
Diameter
41130780
Circumference
129216156.28442
Area
1.328690324145E+15
Volume
3.6433379607025E+22
Surface area
5.31476129658E+15
Circumference
129216156.28442
Perimeter
82261560
Area
422935265852100
Diagonal
29083853.453492
Surface area
2537611595112600
Volume
8.6978286870021E+21
Space diagonal
35620300.357469
Perimeter
61696170
Area
1.8313634219212E+14
Altitude
17810150.178734
Surface area
1.8313634219212E+14
Volume
1.0250489410297E+21
Height
9694617.8178307