209931409 is an odd 9-digits composite number following 209931408
and preceding 209931410 . In scientific notation, it is written as 2.09931409 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 209900340 positive integers (up to 209931409) that are relatively prime to 209931409.
209931409 has 4 divisors, whose sum is 209962480
The reverse of 209931409 is 904139902
Previous prime number is 21139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred nine million nine hundred thirty-one thousand four hundred nine
Scientific notation
2.09931409 × 10^8
Engineering notation
2.09931409 × 10^6
Prime Factorization
21139 × 9931
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209931409
Product of the distinct prime numbers
The prime factorization of 209931409 is 21139 × 9931.
Since it has a total of 2 prime factors.
3 , 7 , 59 , 96 , 474 , 981 , 6439 , 7433 , 4307 , 58550 , 238417 , 611625 , 4226562 , 3521268 , 74581496 , 69265888 , 860518847 , 708972598 , 3905172449 , 7755221217
n×2
419862818
n×3
629794227
n×4
839725636
n×5
1049657045
n÷2
104965704.5
n÷3
69977136.333333
n÷3
52482852.25
n÷5
41986281.8
n2
44071196484725281
n3
9.2519283743542E+24
n4
1.9422703595953E+33
n5
4.0774355324877E+41
2 √n
14489.009938571
3 √n
594.32747401491
4 √n
120.37030339154
5 √n
46.175912252401
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
-209931408
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 209931409 can be divided by 4 positive divisors.
The sum of these divisors (counting 209931409) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100000110100110010010001
3
Ternary
112122000121202101
4
Quaternary
30200310302101
5
Quinary
412220301114
6
Senary
32455320401
8
Octal
1440646221
10
Decimal
209931409
12
Duodecimal
5a380101
16
Hexadecimal
c834c91
20
Vigesimal
35c18a9
36
Base36
3gzk41
md5
b637fe45b7c0919c65fbe6a353765ce1
sha1
7af18a0b0adb036593d12a720341437893b7505f
sha256
8ba824edae37b57d467c79e2b153b01adc1bdfd2ced91b3de75d44a6058f0ace
sha512
de1ed0f37e1cae9dba53ea7919cef390eeb93909a63e513750c9ee6e6e732dc37e45a6f8f6f05818d590dc403fabf4031f89fee9280e33f8468907a29323c4e2
ripemd-160
91af4d7281cda1c376ff1b6729cc04d8b3d995a3
Diameter
419862818
Circumference
1319037944.5443
Area
1.3845374711133E+17
Volume
3.875438694988E+25
Surface area
5.538149884453E+17
Circumference
1319037944.5443
Perimeter
839725636
Area
44071196484725281
Diagonal
296887845.77589
Surface area
264427178908351686
Volume
9.2519283743542E+24
Space diagonal
363611866.49252
Perimeter
629794227
Area
1.9083387865474E+16
Altitude
181805933.24626
Surface area
1.9083387865474E+16
Volume
1.0903502154264E+24
Height
98962615.258631