20049809 is an odd 8-digits composite number following 20049808
and preceding 20049810 . In scientific notation, it is written as 2.0049809 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 18473616 positive integers (up to 20049809) that are relatively prime to 20049809.
20049809 has 8 divisors, whose sum is 21631680
The reverse of 20049809 is 90894002
Previous prime number is 739
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million forty-nine thousand eight hundred nine
Scientific notation
2.0049809 × 10^7
Engineering notation
2.0049809 × 10^6
Prime Factorization
13 × 739 × 2087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20049809
Product of the distinct prime numbers
The prime factorization of 20049809 is 13 × 739 × 2087.
Since it has a total of 3 prime factors.
5 , 1 , 52 , 52 , 181 , 240 , 3496 , 7549 , 3014 , 45824 , 827943 , 219641 , 5044180 , 7569936 , 12274872 , 41523406 , 589503918 , 59592403 , 6317916700 , 1089466799
n×2
40099618
n×3
60149427
n×4
80199236
n×5
100249045
n÷2
10024904.5
n÷3
6683269.6666667
n÷3
5012452.25
n÷5
4009961.8
n2
401994840936481
n3
8.0599197797618E+21
n4
1.6159985213955E+29
n5
3.2400461698262E+36
2 √n
4477.7013075908
3 √n
271.6669122325
4 √n
66.915628276142
5 √n
28.868355710436
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20049808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20049809 can be divided by 8 positive divisors.
The sum of these divisors (counting 20049809) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011110111110010001
3
Ternary
1101201122011112
4
Quaternary
1030132332101
5
Quinary
20113043214
6
Senary
1553423105
8
Octal
114367621
10
Decimal
20049809
12
Duodecimal
686aa95
16
Hexadecimal
131ef91
20
Vigesimal
6564a9
36
Base36
bxqj5
md5
f78eb3608af21de4fa86b4283dd92551
sha1
c345b47542ece8fa2c957ea56029ea7e4ee1bb9d
sha256
b48429241108a1330cf2cd829935b05e3c95393294b2e88cf5d6b462dc33f3e9
sha512
555dba2b76d0208fb1fdfe9f1ac730572bd07f0efbb7ec8578a4183a74067ca150caeb7ade95b144396b6980a13ef407d3c573f487315aabce3ba364b133a677
ripemd-160
43590dacb5bba7d4fc0b342d905e4383232da7e7
Diameter
40099618
Circumference
125976665.32056
Area
1.262904039067E+15
Volume
3.376131302483E+22
Surface area
5.0516161562682E+15
Circumference
125976665.32056
Perimeter
80199236
Area
401994840936481
Diagonal
28354711.81079
Surface area
2411969045618886
Volume
8.0599197797618E+21
Space diagonal
34727287.870052
Perimeter
60149427
Area
1.7406887222064E+14
Altitude
17363643.935026
Surface area
1.7406887222064E+14
Volume
9.498706553482E+20
Height
9451570.6035967