209942409 is an odd 9-digits composite number following 209942408
and preceding 209942410 . In scientific notation, it is written as 2.09942409 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 139859456 positive integers (up to 209942409) that are relatively prime to 209942409.
209942409 has 8 divisors, whose sum is 280127520
The reverse of 209942409 is 904249902
Previous prime number is 1409
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred nine million nine hundred forty-two thousand four hundred nine
Scientific notation
2.09942409 × 10^8
Engineering notation
2.09942409 × 10^6
Prime Factorization
3 × 1409 × 49667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209942409
Product of the distinct prime numbers
The prime factorization of 209942409 is 3 × 1409 × 49667.
Since it has a total of 3 prime factors.
1 , 9 , 14 , 95 , 324 , 893 , 5181 , 2433 , 82072 , 56045 , 432130 , 507583 , 8111513 , 3030055 , 37204683 , 66627401 , 545046193 , 722272337 , 5973976219 , 5204218405
n×2
419884818
n×3
629827227
n×4
839769636
n×5
1049712045
n÷2
104971204.5
n÷3
69980803
n÷3
52485602.25
n÷5
41988481.8
n2
44075815096723281
n3
9.2533828000447E+24
n4
1.9426774764405E+33
n5
4.0785038931397E+41
2 √n
14489.389531654
3 √n
594.33785437051
4 √n
120.37188015336
5 √n
46.176396147966
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
-209942408
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 209942409 can be divided by 8 positive divisors.
The sum of these divisors (counting 209942409) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100000110111011110001001
3
Ternary
112122001011211210
4
Quaternary
30200313132021
5
Quinary
412221124114
6
Senary
32455443333
8
Octal
1440673611
10
Decimal
209942409
12
Duodecimal
5a386549
16
Hexadecimal
c837789
20
Vigesimal
35c2g09
36
Base36
3gzsll
md5
73271d4865efba02874294f4e64e3762
sha1
0390a4a7853ae4f1389c88874c0cf641b612e1bd
sha256
6c1d7a7f0a0333285750efd4738eef40c917e22e2a38b356ec9a85bc2f7116e4
sha512
b6e61f0b9d57b0314e213db85b0929b04547424b7c0155c3bdeecaef5a7ae1258b0371ec3b0a60758396301dae38abf8b7a9fdbbc936bc645e9ed3715bc0fddf
ripemd-160
552f7b45a118206ce74c57047dc2c7a371f3a7b2
Diameter
419884818
Circumference
1319107059.5827
Area
1.3846825690885E+17
Volume
3.8760479233966E+25
Surface area
5.5387302763539E+17
Circumference
1319107059.5827
Perimeter
839769636
Area
44075815096723281
Diagonal
296903402.12508
Surface area
264454890580339686
Volume
9.2533828000447E+24
Space diagonal
363630919.05141
Perimeter
629827227
Area
1.9085387783134E+16
Altitude
181815459.5257
Surface area
1.9085387783134E+16
Volume
1.0905216211378E+24
Height
98967800.70836