20565665 is an odd 8-digits composite number following 20565664
and preceding 20565666 . In scientific notation, it is written as 2.0565665 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 15415296 positive integers (up to 20565665) that are relatively prime to 20565665.
20565665 has 16 divisors, whose sum is 26247888
The reverse of 20565665 is 56656502
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million five hundred sixty-five thousand six hundred sixty-five
Scientific notation
2.0565665 × 10^7
Engineering notation
2.0565665 × 10^6
Prime Factorization
17 × 5 × 313 × 773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20565665
Product of the distinct prime numbers
The prime factorization of 20565665 is 17 × 5 × 313 × 773.
Since it has a total of 4 prime factors.
8 , 4 , 14 , 15 , 216 , 775 , 9931 , 1695 , 15342 , 17198 , 532158 , 298160 , 9597578 , 8019951 , 4508329 , 62436221 , 138049452 , 772218389 , 7859955542 , 2337565707
n×2
41131330
n×3
61696995
n×4
82262660
n×5
102828325
n÷2
10282832.5
n÷3
6855221.6666667
n÷3
5141416.25
n÷5
4113133
n2
422946576892225
n3
8.6981776132622E+21
n4
1.7888380690485E+29
n5
3.6788644467298E+36
2 √n
4534.9382575731
3 √n
273.97709240708
4 √n
67.341950206191
5 √n
29.015399292119
1 , 5 , 17 , 85 , 313 , 773 , 1565 , 3865 , 5321 , 13141 , 26605 , 65705 , 241949 , 1209745 , 4113133 , 20565665
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
-20565664
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 20565665 can be divided by 16 positive divisors.
The sum of these divisors (counting 20565665) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110011100111010100001
3
Ternary
1102200211210022
4
Quaternary
1032130322201
5
Quinary
20231100130
6
Senary
2012443225
8
Octal
116347241
10
Decimal
20565665
12
Duodecimal
6a79515
16
Hexadecimal
139cea1
20
Vigesimal
68ae35
36
Base36
c8skh
md5
ff1928c84cf8713db413bd4fb369f161
sha1
27cfdc3ed8b8d38375dd7aa4de18d7b2db5689ff
sha256
1f490ec38241d9887694a7d6205b70aa95be416326ba1fb8a3ce792b42f03959
sha512
33c87501b78cbef2fd6df44047a75194d769495b8af35f8e84ee666d63fc5e8532203f3997f060a3705961019db25f8e24ff6cf3fef1defc1e4785706de5a060
ripemd-160
4cc8cdf30febb74c838acab035bb1e533aa98328
Diameter
41131330
Circumference
129217884.16038
Area
1.3287258588256E+15
Volume
3.6434841185925E+22
Surface area
5.3149034353023E+15
Circumference
129217884.16038
Perimeter
82262660
Area
422946576892225
Diagonal
29084242.362222
Surface area
2537679461353350
Volume
8.6981776132622E+21
Space diagonal
35620776.671441
Perimeter
61696995
Area
1.8314124001617E+14
Altitude
17810388.33572
Surface area
1.8314124001617E+14
Volume
1.0250900623838E+21
Height
9694747.4540739