19808906 is an even 8-digits composite number following 19808905
and preceding 19808907 . In scientific notation, it is written as 1.9808906 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 8661168 positive integers (up to 19808906) that are relatively prime to 19808906.
19808906 has 16 divisors, whose sum is 33684000
The reverse of 19808906 is 60980891
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million eight hundred eight thousand nine hundred six
Scientific notation
1.9808906 × 10^7
Engineering notation
1.9808906 × 10^6
Prime Factorization
2 × 13 × 19 × 40099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19808906
Product of the distinct prime numbers
The prime factorization of 19808906 is 2 × 13 × 19 × 40099.
Since it has a total of 4 prime factors.
1 , 9 , 20 , 74 , 625 , 29 , 4873 , 5488 , 68483 , 96680 , 361682 , 365130 , 3445979 , 8238464 , 97301406 , 71897324 , 482443561 , 933014757 , 174876152 , 1681606897
n×2
39617812
n×3
59426718
n×4
79235624
n×5
99044530
n÷2
9904453
n÷3
6602968.6666667
n÷3
4952226.5
n÷5
3961781.2
n2
392392756916836
n3
7.7728712368465E+21
n4
1.539720756808E+29
n5
3.0500183737858E+36
2 √n
4450.7197170795
3 √n
270.57447869016
4 √n
66.713714610112
5 √n
28.798647910944
1 , 2 , 13 , 19 , 26 , 38 , 247 , 494 , 40099 , 80198 , 521287 , 761881 , 1042574 , 1523762 , 9904453 , 19808906
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
-19808905
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 19808906 can be divided by 16 positive divisors.
The sum of these divisors (counting 19808906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011100100001010001010
3
Ternary
1101021101201012
4
Quaternary
1023210022022
5
Quinary
20032341111
6
Senary
1544323522
8
Octal
113441212
10
Decimal
19808906
12
Duodecimal
67735a2
16
Hexadecimal
12e428a
20
Vigesimal
63g256
36
Base36
bskne
md5
dc9ded87a83e2d3884502115cddf2b1a
sha1
3afb6664402113980f59a6c8e075917d0a640e17
sha256
799953bff5df2f6578a6357e197540a893047034533fa6ea39b01e8bb11c7b63
sha512
d6de4197116b1be70b1282e473c38325db1648197a1b7b7f7265e189772a9e3b85f61729227c91b71de5ecca4ea1a377060c758f77062180e11a718c246202f6
ripemd-160
6ba77af3a66927fd07c92135377b4abe11260c7a
Diameter
39617812
Circumference
124463027.1305
Area
1.2327382024518E+15
Volume
3.2558926899968E+22
Surface area
4.9309528098071E+15
Circumference
124463027.1305
Perimeter
79235624
Area
392392756916836
Diagonal
28014023.520974
Surface area
2354356541501016
Volume
7.7728712368465E+21
Space diagonal
34310031.634356
Perimeter
59426718
Area
1.699110478755E+14
Altitude
17155015.817178
Surface area
1.699110478755E+14
Volume
9.16041660144E+20
Height
9338007.8403246