20712085 is an odd 8-digits composite number following 20712084
and preceding 20712086 . In scientific notation, it is written as 2.0712085 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 16569664 positive integers (up to 20712085) that are relatively prime to 20712085.
20712085 has 4 divisors, whose sum is 24854508
The reverse of 20712085 is 58021702
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million seven hundred twelve thousand eighty-five
Scientific notation
2.0712085 × 10^7
Engineering notation
2.0712085 × 10^6
Prime Factorization
5 × 4142417
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20712085
Product of the distinct prime numbers
The prime factorization of 20712085 is 5 × 4142417.
Since it has a total of 2 prime factors.
4 , 10 , 66 , 68 , 533 , 988 , 6748 , 8566 , 42325 , 78828 , 893626 , 898650 , 3574112 , 9444451 , 2411988 , 72958783 , 504952975 , 249892023 , 7854936642 , 6839821818
n×2
41424170
n×3
62136255
n×4
82848340
n×5
103560425
n÷2
10356042.5
n÷3
6904028.3333333
n÷3
5178021.25
n÷5
4142417
n2
428990465047225
n3
8.8852869762477E+21
n4
1.8403281910143E+29
n5
3.8117033920185E+36
2 √n
4551.0531748157
3 √n
274.62576091295
4 √n
67.461494015592
5 √n
29.056597933373
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20712084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20712085 can be divided by 4 positive divisors.
The sum of these divisors (counting 20712085) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000000101010010101
3
Ternary
1102222021122021
4
Quaternary
1033000222111
5
Quinary
20300241320
6
Senary
2015533141
8
Octal
117005225
10
Decimal
20712085
12
Duodecimal
6b2a1b1
16
Hexadecimal
13c0a95
20
Vigesimal
699045
36
Base36
cbxjp
md5
cc831847091e0e861f1738dea2cc75c2
sha1
e8b5567ff3282c104e135fa163632327745c0525
sha256
8500985efedeeb6e0a0fd9239a10848044b507e114afa3c5b081a7bacda7e850
sha512
7641bafa00425a1d9db58e22531643238dc6c661eda437a47f2ed6f42670742cc892f6b2d13fc7f2afe98657f3b79d16fd0735566d3d3d3323e2a82d5cc74c42
ripemd-160
2bdda087dfe526c04a6966ff24cec4639f563e43
Diameter
41424170
Circumference
130137868.15305
Area
1.3477132934524E+15
Volume
3.7218603052822E+22
Surface area
5.3908531738097E+15
Circumference
130137868.15305
Perimeter
82848340
Area
428990465047225
Diagonal
29291311.512024
Surface area
2573942790283350
Volume
8.8852869762477E+21
Space diagonal
35874383.550685
Perimeter
62136255
Area
1.857583203561E+14
Altitude
17937191.775343
Surface area
1.857583203561E+14
Volume
1.0471411122822E+21
Height
9763770.5040081