20208906 is an even 8-digits composite number following 20208905
and preceding 20208907 . In scientific notation, it is written as 2.0208906 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6736284 positive integers (up to 20208906) that are relatively prime to 20208906.
20208906 has 16 divisors, whose sum is 44908800
The reverse of 20208906 is 60980202
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred eight thousand nine hundred six
Scientific notation
2.0208906 × 10^7
Engineering notation
2.0208906 × 10^6
Prime Factorization
2 × 9 × 3 × 374239
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20208906
Product of the distinct prime numbers
The prime factorization of 20208906 is 2 × 9 × 3 × 374239.
Since it has a total of 4 prime factors.
1 , 3 , 70 , 8 , 659 , 651 , 1739 , 4481 , 56134 , 94920 , 685217 , 143191 , 6065964 , 4708682 , 32273732 , 95381529 , 753050611 , 378117152 , 563511763 , 2450467282
n×2
40417812
n×3
60626718
n×4
80835624
n×5
101044530
n÷2
10104453
n÷3
6736302
n÷3
5052226.5
n÷5
4041781.2
n2
408399881716836
n3
8.2533148200267E+21
n4
1.6679046338633E+29
n5
3.3706527962707E+36
2 √n
4495.4316811626
3 √n
272.38358689362
4 √n
67.047980440596
5 √n
28.914025570774
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 374239 , 748478 , 1122717 , 2245434 , 3368151 , 6736302 , 10104453 , 20208906
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
-20208905
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 20208906 can be divided by 16 positive divisors.
The sum of these divisors (counting 20208906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000101110100001010
3
Ternary
1102000201102000
4
Quaternary
1031011310022
5
Quinary
20133141111
6
Senary
2001051430
8
Octal
115056412
10
Decimal
20208906
12
Duodecimal
6926b76
16
Hexadecimal
1345d0a
20
Vigesimal
666256
36
Base36
c15ai
md5
7cd5ba505d50370fa23334fdaf746f43
sha1
c30894a64c5e8118133b8f27f8fdabaeb48be054
sha256
de2d1e0f1fcefcf1e28aac4ca8945a43163cda0b4e39a700a8e84a7ab91e69c2
sha512
8fa9e485fec193b3bf6e47df5965c170f091f4db9e2e02d48f580d4614c0e3465d6bc199529d070c8839cc538a10d88662bcc3e1456bbd5587999c86861f6de2
ripemd-160
f93752c8f3834efba673b0b6f92f35d70121a5d4
Diameter
40417812
Circumference
126976301.25337
Area
1.2830260681286E+15
Volume
3.4571404275146E+22
Surface area
5.1321042725142E+15
Circumference
126976301.25337
Perimeter
80835624
Area
408399881716836
Diagonal
28579708.945923
Surface area
2450399290301016
Volume
8.2533148200267E+21
Space diagonal
35002851.957384
Perimeter
60626718
Area
1.7684233623467E+14
Altitude
17501425.978692
Surface area
1.7684233623467E+14
Volume
9.7266247941805E+20
Height
9526569.648641