20201209 is an odd 8-digits composite number following 20201208
and preceding 20201210 . In scientific notation, it is written as 2.0201209 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 17315316 positive integers (up to 20201209) that are relatively prime to 20201209.
20201209 has 4 divisors, whose sum is 23087104
The reverse of 20201209 is 90210202
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million two hundred one thousand two hundred nine
Scientific notation
2.0201209 × 10^7
Engineering notation
2.0201209 × 10^6
Prime Factorization
7 × 2885887
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20201209
Product of the distinct prime numbers
The prime factorization of 20201209 is 7 × 2885887.
Since it has a total of 2 prime factors.
7 , 2 , 19 , 59 , 932 , 75 , 2049 , 5701 , 92260 , 37459 , 319734 , 280614 , 411287 , 3427520 , 37762706 , 7301575 , 572159999 , 333715568 , 6537944459 , 7081825535
n×2
40402418
n×3
60603627
n×4
80804836
n×5
101006045
n÷2
10100604.5
n÷3
6733736.3333333
n÷3
5050302.25
n÷5
4040241.8
n2
408088845061681
n3
8.2438880496596E+21
n4
1.6653650546378E+29
n5
3.3642387530034E+36
2 √n
4494.5755083211
3 √n
272.3490014375
4 √n
67.041595359307
5 √n
28.911822728444
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20201208
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20201209 can be divided by 4 positive divisors.
The sum of these divisors (counting 20201209) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011111011111001
3
Ternary
1102000022211221
4
Quaternary
1031003323321
5
Quinary
20132414314
6
Senary
2000552041
8
Octal
115037371
10
Decimal
20201209
12
Duodecimal
6922621
16
Hexadecimal
1343ef9
20
Vigesimal
665309
36
Base36
c0zcp
md5
7f0b9bd6859821632f2413b9ed033c33
sha1
3df9704c139e4d8b8d8c90b5d73b1e8b24aa4de4
sha256
410418225c8c30d8cd9f4c0a1fadfbf03297a8d5a07c07b1b9eaed1a971e9a8a
sha512
f9e58d59bf14a1b17836bfa86408856a1a5efcf3642405b17cbbd7a6dc81ead0ae3fa5d8ec055a7ac5d971e750a2be8d320f888c43789191c28a10822349e369
ripemd-160
75acd9675fb57d11b8ee1a734d18810b92782e89
Diameter
40402418
Circumference
126927939.57606
Area
1.2820489176577E+15
Volume
3.453191751177E+22
Surface area
5.1281956706309E+15
Circumference
126927939.57606
Perimeter
80804836
Area
408088845061681
Diagonal
28568823.744133
Surface area
2448533070370086
Volume
8.2438880496596E+21
Space diagonal
34989520.362318
Perimeter
60603627
Area
1.7670765341223E+14
Altitude
17494760.181159
Surface area
1.7670765341223E+14
Volume
9.7155152387618E+20
Height
9522941.2480445