20508085 is an odd 8-digits composite number following 20508084
and preceding 20508086 . In scientific notation, it is written as 2.0508085 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 14856192 positive integers (up to 20508085) that are relatively prime to 20508085.
20508085 has 16 divisors, whose sum is 27007344
The reverse of 20508085 is 58080502
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred eight thousand eighty-five
Scientific notation
2.0508085 × 10^7
Engineering notation
2.0508085 × 10^6
Prime Factorization
13 × 5 × 53 × 5953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20508085
Product of the distinct prime numbers
The prime factorization of 20508085 is 13 × 5 × 53 × 5953.
Since it has a total of 4 prime factors.
5 , 4 , 52 , 72 , 528 , 30 , 7219 , 5123 , 32286 , 75866 , 176208 , 986820 , 6128366 , 6289006 , 55145409 , 48818856 , 241548010 , 100322066 , 8460652697 , 8119145547
n×2
41016170
n×3
61524255
n×4
82032340
n×5
102540425
n÷2
10254042.5
n÷3
6836028.3333333
n÷3
5127021.25
n÷5
4101617
n2
420581550367225
n3
8.6253221843628E+21
n4
1.768888405093E+29
n5
3.6276513767161E+36
2 √n
4528.5853199426
3 √n
273.72115859975
4 √n
67.294764431883
5 √n
28.999133531623
1 , 5 , 13 , 53 , 65 , 265 , 689 , 3445 , 5953 , 29765 , 77389 , 315509 , 386945 , 1577545 , 4101617 , 20508085
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
-20508084
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 20508085 can be divided by 16 positive divisors.
The sum of these divisors (counting 20508085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001110110110110101
3
Ternary
1102120220210201
4
Quaternary
1032032312311
5
Quinary
20222224320
6
Senary
2011320501
8
Octal
116166665
10
Decimal
20508085
12
Duodecimal
6a50131
16
Hexadecimal
138edb5
20
Vigesimal
683a45
36
Base36
c7k51
md5
ed9a4fc69bac0d90a27cbb1b349e3b46
sha1
8b8a238676e7a36ab301cee973f4bde1cb418ce8
sha256
11dc2d3ba2b77e7da8d03c84b4bb59e3997d6fb229b1f3b700b74f7fc1c198da
sha512
9ad3b965b3a37245d64a79e47d44e42c54f9aa8ffd4a32cbbd40d52fdfee36b1fa43406498d3996a02f804feaef864c0baaf5a83032a403a25c88f3adfc5ae94
ripemd-160
4f08d3436837d1b82f19614b605a59c294a64356
Diameter
41016170
Circumference
128856098.35039
Area
1.3212959088691E+15
Volume
3.6129665078986E+22
Surface area
5.2851836354763E+15
Circumference
128856098.35039
Perimeter
82032340
Area
420581550367225
Diagonal
29002811.9453
Surface area
2523489302203350
Volume
8.6253221843628E+21
Space diagonal
35521045.185941
Perimeter
61524255
Area
1.8211715349053E+14
Altitude
17760522.592971
Surface area
1.8211715349053E+14
Volume
1.016503967747E+21
Height
9667603.9817667