20565209 is an odd 8-digits composite number following 20565208
and preceding 20565210 . In scientific notation, it is written as 2.0565209 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 17470656 positive integers (up to 20565209) that are relatively prime to 20565209.
20565209 has 8 divisors, whose sum is 23712000
The reverse of 20565209 is 90256502
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million five hundred sixty-five thousand two hundred nine
Scientific notation
2.0565209 × 10^7
Engineering notation
2.0565209 × 10^6
Prime Factorization
7 × 113 × 25999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20565209
Product of the distinct prime numbers
The prime factorization of 20565209 is 7 × 113 × 25999.
Since it has a total of 3 prime factors.
8 , 5 , 86 , 35 , 274 , 508 , 1284 , 3591 , 47230 , 37762 , 804294 , 210978 , 156033 , 9355087 , 90882683 , 3331366 , 435860437 , 909222061 , 185591527 , 2311609655
n×2
41130418
n×3
61695627
n×4
82260836
n×5
102826045
n÷2
10282604.5
n÷3
6855069.6666667
n÷3
5141302.25
n÷5
4113041.8
n2
422927821213681
n3
8.697599035174E+21
n4
1.7886794195655E+29
n5
3.6784566097363E+36
2 √n
4534.8879809759
3 √n
273.97506743848
4 √n
67.34157691186
5 √n
29.015270619991
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
-20565208
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 20565209 can be divided by 8 positive divisors.
The sum of these divisors (counting 20565209) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011100110011011001
3
Ternary
1102200211011102
4
Quaternary
1032130303121
5
Quinary
20231041314
6
Senary
2012441145
8
Octal
116346331
10
Decimal
20565209
12
Duodecimal
6a791b5
16
Hexadecimal
139ccd9
20
Vigesimal
68ad09
36
Base36
c8s7t
md5
7e433d2cd58b7908986686cdaf589194
sha1
5c2653b8e344e77898d93112cda4947adf749b39
sha256
7b5264d5a464c0bc9d73586b07567497b3979856f01fd638f5e0520f861f809f
sha512
fc06055c4849575d08f45e01ed893c2f3a9e645bd0d8351d9a5ac2c55a59241cc8c4c16b55c9d23a38ffff691ca354268a70e0ca7a928e4f7e011c579826cde0
ripemd-160
f28b2ede455f9396be67e6302ad5069bab432298
Diameter
41130418
Circumference
129215019.02788
Area
1.3286669361236E+15
Volume
3.6432417643696E+22
Surface area
5.3146677444946E+15
Circumference
129215019.02788
Perimeter
82260836
Area
422927821213681
Diagonal
29083597.480837
Surface area
2537566927282086
Volume
8.697599035174E+21
Space diagonal
35619986.856273
Perimeter
61695627
Area
1.8313311856913E+14
Altitude
17809993.428136
Surface area
1.8313311856913E+14
Volume
1.0250218763022E+21
Height
9694532.4936124