20685065 is an odd 8-digits composite number following 20685064
and preceding 20685066 . In scientific notation, it is written as 2.0685065 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 16548048 positive integers (up to 20685065) that are relatively prime to 20685065.
20685065 has 4 divisors, whose sum is 24822084
The reverse of 20685065 is 56058602
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred eighty-five thousand sixty-five
Scientific notation
2.0685065 × 10^7
Engineering notation
2.0685065 × 10^6
Prime Factorization
5 × 4137013
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20685065
Product of the distinct prime numbers
The prime factorization of 20685065 is 5 × 4137013.
Since it has a total of 2 prime factors.
7 , 1 , 88 , 32 , 937 , 37 , 2257 , 9913 , 95617 , 60543 , 82598 , 164401 , 7812623 , 3819518 , 70067413 , 98846458 , 144590362 , 22615787 , 3379462691 , 7595420234
n×2
41370130
n×3
62055195
n×4
82740260
n×5
103425325
n÷2
10342532.5
n÷3
6895021.6666667
n÷3
5171266.25
n÷5
4137013
n2
427871914054225
n3
8.8505583538861E+21
n4
1.8307437483643E+29
n5
3.7869053433258E+36
2 √n
4548.0836623791
3 √n
274.5062877139
4 √n
67.439481480651
5 √n
29.049012803401
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
-20685064
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 20685065 can be divided by 4 positive divisors.
The sum of these divisors (counting 20685065) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010000100001001
3
Ternary
1102220220120112
4
Quaternary
1032322010021
5
Quinary
20243410230
6
Senary
2015204105
8
Octal
116720411
10
Decimal
20685065
12
Duodecimal
6b16635
16
Hexadecimal
13ba109
20
Vigesimal
695cd5
36
Base36
cbcp5
md5
a10e9ba32977f2359682720b2cb10f58
sha1
e8fc41321521ae23e2701182d49a8393235673d8
sha256
16f854e3d12d5d321f1a805a37e4c77aebd4cb0d0ced0138113e0c58f08e8142
sha512
d5fdea935795c15bcbecf40b32a5b5ab94774d7a8c89adfa1507db7998892ac34e01946f8c1bfeb71eacb96fe7908449bcad8608504854c891f559344fa923e0
ripemd-160
928cbb55e2176e0e795d53a5c388b21d945ec415
Diameter
41370130
Circumference
129968096.48605
Area
1.3441992618702E+15
Volume
3.7073132139648E+22
Surface area
5.3767970474806E+15
Circumference
129968096.48605
Perimeter
82740260
Area
427871914054225
Diagonal
29253099.461569
Surface area
2567231484325350
Volume
8.8505583538861E+21
Space diagonal
35827583.537865
Perimeter
62055195
Area
1.8527397356842E+14
Altitude
17913791.768932
Surface area
1.8527397356842E+14
Volume
1.0430483048867E+21
Height
9751033.1538563