20505585 is an odd 8-digits composite number following 20505584
and preceding 20505586 . In scientific notation, it is written as 2.0505585 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10640448 positive integers (up to 20505585) that are relatively prime to 20505585.
20505585 has 16 divisors, whose sum is 33696576
The reverse of 20505585 is 58550502
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred five thousand five hundred eighty-five
Scientific notation
2.0505585 × 10^7
Engineering notation
2.0505585 × 10^6
Prime Factorization
3 × 5 × 37 × 36947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20505585
Product of the distinct prime numbers
The prime factorization of 20505585 is 3 × 5 × 37 × 36947.
Since it has a total of 4 prime factors.
4 , 4 , 78 , 59 , 754 , 637 , 9042 , 7403 , 52611 , 72565 , 899815 , 204471 , 3474300 , 530001 , 71711380 , 40524330 , 171324303 , 714710276 , 1316802469 , 4772224404
n×2
41011170
n×3
61516755
n×4
82022340
n×5
102527925
n÷2
10252792.5
n÷3
6835195
n÷3
5126396.25
n÷5
4101117
n2
420479016192225
n3
8.622168207246E+21
n4
1.7680260305798E+29
n5
3.6254408052267E+36
2 √n
4528.3092871402
3 √n
273.710035658
4 √n
67.292713477316
5 √n
28.998426480047
1 , 3 , 5 , 15 , 37 , 111 , 185 , 555 , 36947 , 110841 , 184735 , 554205 , 1367039 , 4101117 , 6835195 , 20505585
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
-20505584
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 20505585 can be divided by 16 positive divisors.
The sum of these divisors (counting 20505585) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001110001111110001
3
Ternary
1102120210101010
4
Quaternary
1032032033301
5
Quinary
20222134320
6
Senary
2011301133
8
Octal
116161761
10
Decimal
20505585
12
Duodecimal
6a4a7a9
16
Hexadecimal
138e3f1
20
Vigesimal
6833j5
36
Base36
c7i7l
md5
ab4f976b80f8d282be5fcc5244980d7e
sha1
72fd7df05dddf792677538f568c360a07ba0f6d8
sha256
6ac493b7d15ebec36479daf0e9e29c32ae42c2b3d2d964848200792c644293e5
sha512
aeac0a89469a81cc02f3cc6eb05ebcd67f1d5c7448e000c0c4aee7581f5676be10ccaf6d5262abde08911018aa83283acd5f1f958c49987e3710d512c3401771
ripemd-160
63cc5cea0f07a2eef70186cc42c7c57dc841a252
Diameter
41011170
Circumference
128840390.38712
Area
1.3209737882582E+15
Volume
3.6116453730533E+22
Surface area
5.2838951530326E+15
Circumference
128840390.38712
Perimeter
82022340
Area
420479016192225
Diagonal
28999276.411394
Surface area
2522874097153350
Volume
8.622168207246E+21
Space diagonal
35516715.058922
Perimeter
61516755
Area
1.8207275489038E+14
Altitude
17758357.529461
Surface area
1.8207275489038E+14
Volume
1.0161322679791E+21
Height
9666425.4704648