2005209 is an odd 7-digits composite number following 2005208
and preceding 2005210 . In scientific notation, it is written as 2.005209 × 10^6.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 1278288 positive integers (up to 2005209) that are relatively prime to 2005209.
2005209 has 16 divisors, whose sum is 3100800
The reverse of 2005209 is 9025002
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 18
Digital Root 9
Name
two million five thousand two hundred nine
Scientific notation
2.005209 × 10^6
Engineering notation
2.005209 × 10^6
Prime Factorization
9 × 3 × 23 × 3229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2005209
Product of the distinct prime numbers
The prime factorization of 2005209 is 9 × 3 × 23 × 3229.
Since it has a total of 4 prime factors.
1 , 10 , 38 , 51 , 998 , 813 , 7336 , 4563 , 77835 , 12474 , 177300 , 324393 , 3770351 , 9339530 , 20185873 , 78798269 , 838702641 , 267862686 , 1460793996 , 4508680710
n×2
4010418
n×3
6015627
n×4
8020836
n×5
10026045
n÷2
1002604.5
n÷3
668403
n÷3
501302.25
n÷5
401041.8
n2
4020863133681
n3
8062670943425344329
n4
1.6167340339795E+25
n5
3.241889635542E+31
2 √n
1416.0540243931
3 √n
126.10139231054
4 √n
37.630493278632
5 √n
18.215115484884
1 , 3 , 9 , 23 , 27 , 69 , 207 , 621 , 3229 , 9687 , 29061 , 74267 , 87183 , 222801 , 668403 , 2005209
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
-2005208
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 2005209 can be divided by 16 positive divisors.
The sum of these divisors (counting 2005209) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001100011011001
3
Ternary
10202212122000
4
Quaternary
13221203121
5
Quinary
1003131314
6
Senary
110551213
8
Octal
7514331
10
Decimal
2005209
12
Duodecimal
808509
16
Hexadecimal
1e98d9
20
Vigesimal
cad09
36
Base36
16z89
md5
499b546805400ef43b136ce81863ab26
sha1
0b6daed92d7c40b11a5125e7a504094d066b1d99
sha256
5e22c6229cfbed3686c89d7091a364698d46a50e97a6854e017ec775e1d7db3a
sha512
7234c4a9fe0bc6470bc8d396d1003560a466e72882c050db84830f1f4b646ef2a658a54042a8ece0da23fbde2f2e221ada96474e79db6f3f3767ae8ec56985ab
ripemd-160
a8e3147c7cbe30e767ef3c856604cd7496530e36
Diameter
4010418
Circumference
12599099.726624
Area
12631914081862
Volume
3.3772837072236E+19
Surface area
50527656327449
Circumference
12599099.726624
Perimeter
8020836
Area
4020863133681
Diagonal
2835793.7631926
Surface area
24125178802086
Volume
8062670943425344329
Space diagonal
3473123.8677944
Perimeter
6015627
Area
1741084809454
Altitude
1736561.9338972
Surface area
1741084809454
Volume
9.501948830953E+17
Height
945264.58773086