20685212 is an even 8-digits composite number following 20685211
and preceding 20685213 . In scientific notation, it is written as 2.0685212 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 10329696 positive integers (up to 20685212) that are relatively prime to 20685212.
20685212 has 12 divisors, whose sum is 36244320
The reverse of 20685212 is 21258602
Previous prime number is 937
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million six hundred eighty-five thousand two hundred twelve
Scientific notation
2.0685212 × 10^7
Engineering notation
2.0685212 × 10^6
Prime Factorization
2 × 2 × 937 × 5519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10342606
Product of the distinct prime numbers
The prime factorization of 20685212 is 2 × 2 × 937 × 5519.
Since it has a total of 4 prime factors.
1 , 6 , 18 , 20 , 734 , 247 , 5805 , 4713 , 31346 , 15876 , 503040 , 192239 , 7676489 , 6405477 , 52165732 , 92643183 , 889334692 , 938896970 , 5043589578 , 1392970672
n×2
41370424
n×3
62055636
n×4
82740848
n×5
103426060
n÷2
10342606
n÷3
6895070.6666667
n÷3
5171303
n÷5
4137042.4
n2
427877995484944
n3
8.8507470467411E+21
n4
1.8307957902021E+29
n5
3.7870399049039E+36
2 √n
4548.099823003
3 √n
274.50693797902
4 √n
67.439601296293
5 √n
29.049054091091
1 , 2 , 4 , 937 , 1874 , 3748 , 5519 , 11038 , 22076 , 5171303 , 10342606 , 20685212
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685212 can be divided by 12 positive divisors.
The sum of these divisors (counting 20685212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111010000110011100
3
Ternary
1102220220202222
4
Quaternary
1032322012130
5
Quinary
20243411322
6
Senary
2015204512
8
Octal
116720634
10
Decimal
20685212
12
Duodecimal
6b16738
16
Hexadecimal
13ba19c
20
Vigesimal
695d0c
36
Base36
cbct8
md5
bcca5ef85fa934c3da51d99c108573e0
sha1
6dce7fa5f702e6116cd26c5dc3ce912a534d1831
sha256
cfea02dedd6244be91bdf6d237fe1d5d65a9f732813df5cfdb6dfae6e65903ac
sha512
1986b12406682842f6bbb382d5c18d00ef10687b90ecd8fc0d0736fbbf42a99ef3917592a3fd94206c5593d815eedf4e80f6d508fff887d3a07b129af8fb6d71
ripemd-160
6c494c92b9bee1048c4bd0d518743848659db57f
Diameter
41370424
Circumference
129969020.11429
Area
1.3442183672482E+15
Volume
3.7073922534431E+22
Surface area
5.3768734689929E+15
Circumference
129969020.11429
Perimeter
82740848
Area
427877995484944
Diagonal
29253307.350963
Surface area
2567267972909664
Volume
8.8507470467411E+21
Space diagonal
35827838.149333
Perimeter
62055636
Area
1.8527660690516E+14
Altitude
17913919.074667
Surface area
1.8527660690516E+14
Volume
1.0430705425529E+21
Height
9751102.4503209