20209 is an odd 5-digits composite number following 20208
and preceding 20210 . In scientific notation, it is written as 2.0209 × 10^4.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 17316 positive integers (up to 20209) that are relatively prime to 20209.
20209 has 4 divisors, whose sum is 23104
The reverse of 20209 is 90202
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 13
Digital Root 4
Name
twenty thousand two hundred nine
Scientific notation
2.0209 × 10^4
Engineering notation
2.0209 × 10^3
Prime Factorization
7 × 2887
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20209
Product of the distinct prime numbers
The prime factorization of 20209 is 7 × 2887.
Since it has a total of 2 prime factors.
7 , 8 , 84 , 60 , 137 , 330 , 1578 , 4481 , 6450 , 46204 , 97797 , 816339 , 8714224 , 4766974 , 79091634 , 53829075 , 6509681 , 85352735 , 5496068475 , 2237207738
n×2
40418
n×3
60627
n×4
80836
n×5
101045
n÷2
10104.5
n÷3
6736.3333333333
n÷3
5052.25
n÷5
4041.8
n2
408403681
n3
8253429989329
n4
166793566654349761
n5
3.3707311885178E+21
2 √n
142.15836239912
3 √n
27.238400921596
4 √n
11.923018174905
5 √n
7.2628816076707
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
-20208
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 20209 can be divided by 4 positive divisors.
The sum of these divisors (counting 20209) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011110001
3
Ternary
1000201111
4
Quaternary
10323301
5
Quinary
1121314
6
Senary
233321
8
Octal
47361
10
Decimal
20209
12
Duodecimal
b841
16
Hexadecimal
4ef1
20
Vigesimal
2aa9
36
Base36
fld
md5
dc13157dad018bcdd3f6763b4331329c
sha1
b6599c24593290529806bfb0cc4f7429412100ec
sha256
49a7b5cf810a7e63eb09e80be3c53f1218ec62dcc9f9b0558cc490434d6995e3
sha512
937fbb3b0633e32d9253a7a5fb87d58f8b9b87d975f9aff022f974f5924faf1e0806bf0209b4d6a281471179f9b563a9f115d3ee46b29fbd0e220eee3fb0ee61
ripemd-160
c456a92cd57aa6d31b7a2b610924f9a5148d3059
Diameter
40418
Circumference
126976.89187279
Area
1283038003.9286
Volume
34571886695192
Surface area
5132152015.7145
Circumference
126976.89187279
Perimeter
80836
Area
408403681
Diagonal
28579.841881998
Surface area
2450422086
Volume
8253429989329
Space diagonal
35003.014770159
Perimeter
60627
Area
176843981.37254
Altitude
17501.50738508
Surface area
176843981.37254
Volume
972676052250.49
Height
9526.613960666