20686912 is an even 8-digits composite number following 20686911
and preceding 20686913 . In scientific notation, it is written as 2.0686912 × 10^7.
The sum of its digits is 34. It has a total of 7 prime factors and 14 positive divisors.
There are 10343424 positive integers (up to 20686912) that are relatively prime to 20686912.
20686912 has 14 divisors, whose sum is 41050718
The reverse of 20686912 is 21968602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred eighty-six thousand nine hundred twelve
Scientific notation
2.0686912 × 10^7
Engineering notation
2.0686912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 323233
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
646466
Product of the distinct prime numbers
The prime factorization of 20686912 is 2 × 2 × 2 × 2 × 2 × 2 × 323233.
Since it has a total of 7 prime factors.
5 , 3 , 76 , 89 , 48 , 605 , 7220 , 8012 , 16882 , 51289 , 6887 , 671404 , 1186075 , 3089168 , 68831053 , 57041738 , 416213467 , 801701770 , 352131800 , 3339165213
n×2
41373824
n×3
62060736
n×4
82747648
n×5
103434560
n÷2
10343456
n÷3
6895637.3333333
n÷3
5171728
n÷5
4137382.4
n2
427948328095744
n3
8.8529294038638E+21
n4
1.8313977151994E+29
n5
3.7885963371332E+36
2 √n
4548.2867103999
3 √n
274.514457828
4 √n
67.440986872968
5 √n
29.049531550724
1 , 2 , 4 , 8 , 16 , 32 , 64 , 323233 , 646466 , 1292932 , 2585864 , 5171728 , 10343456 , 20686912
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20686911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20686912 can be divided by 14 positive divisors.
The sum of these divisors (counting 20686912) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
1001110111010100001000000
3
Ternary
1102221000002221
4
Quaternary
1032322201000
5
Quinary
20243440122
6
Senary
2015220424
8
Octal
116724100
10
Decimal
20686912
12
Duodecimal
6b17714
16
Hexadecimal
13ba840
20
Vigesimal
695h5c
36
Base36
cbe4g
md5
ed310df19e10093fba8e045822d2339e
sha1
413e95e20998489810a6f57ab3cbd67a10d33392
sha256
074956defc0ea540fea0318da8081565c68d9bdfb8ba0b53d522fb137b551b98
sha512
0a91eb4abe524e106f2c83014f51495367fc3638d02f9dede2a531697cb731abc6bc621b7b8dfd405d37947e0886c659cf63acbf8af0c10e354fda4d7d347d2b
ripemd-160
9f96810c812bb105d7d384cd6807b0c0755ee8dd
Diameter
41373824
Circumference
129979701.52932
Area
1.3444393236616E+15
Volume
3.708306397057E+22
Surface area
5.3777572946465E+15
Circumference
129979701.52932
Perimeter
82747648
Area
427948328095744
Diagonal
29255711.514019
Surface area
2567689968574464
Volume
8.8529294038638E+21
Space diagonal
35830782.635706
Perimeter
62060736
Area
1.85307061819E+14
Altitude
17915391.317853
Surface area
1.85307061819E+14
Volume
1.0433277358063E+21
Height
9751903.8380062