209905129 is an odd 9-digits composite number following 209905128
and preceding 209905130 . In scientific notation, it is written as 2.09905129 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 179918676 positive integers (up to 209905129) that are relatively prime to 209905129.
209905129 has 4 divisors, whose sum is 239891584
The reverse of 209905129 is 921509902
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred nine million nine hundred five thousand one hundred twenty-nine
Scientific notation
2.09905129 × 10^8
Engineering notation
2.09905129 × 10^6
Prime Factorization
7 × 29986447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209905129
Product of the distinct prime numbers
The prime factorization of 209905129 is 7 × 29986447.
Since it has a total of 2 prime factors.
8 , 5 , 42 , 29 , 364 , 483 , 1904 , 7180 , 96041 , 74722 , 824354 , 125224 , 3269274 , 6797744 , 18101790 , 20435069 , 40274030 , 788060879 , 6658471840 , 6871338473
n×2
419810258
n×3
629715387
n×4
839620516
n×5
1049525645
n÷2
104952564.5
n÷3
69968376.333333
n÷3
52476282.25
n÷5
41981025.8
n2
44060163180506641
n3
9.2484542361653E+24
n4
1.9412979794929E+33
n5
4.0748840281289E+41
2 √n
14488.103015923
3 √n
594.30267293364
4 √n
120.36653611334
5 √n
46.174756099781
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
-209905128
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 209905129 can be divided by 4 positive divisors.
The sum of these divisors (counting 209905129) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100000101110010111101001
3
Ternary
112121222021201001
4
Quaternary
30200232113221
5
Quinary
412213431004
6
Senary
32454555001
8
Octal
1440562751
10
Decimal
209905129
12
Duodecimal
5a368a61
16
Hexadecimal
c82e5e9
20
Vigesimal
35bi2g9
36
Base36
3gyzu1
md5
f7f5997e8cb5b9ff5b56dcf7ab12a47e
sha1
e8dd26c10e1f544b9cd928298056cbb32d098770
sha256
b4e29b51d11ddfe4dd3ea662bc3211696f1aeda9e5aa144018b9c5e5e4ea71b7
sha512
794479825f9ee058bc64c6cc0dd36fdbc9c825d76fa4f217b1e842ca394a1bb94fcc24d1b0693c9e5e692ebaa31d68fb1ba386e9f3078048a8d294ebac809060
ripemd-160
fcf526c15f33d35d135d850dbf8cd657b39aa158
Diameter
419810258
Circumference
1318872822.4344
Area
1.3841908496385E+17
Volume
3.8739834513864E+25
Surface area
5.5367633985539E+17
Circumference
1318872822.4344
Perimeter
839620516
Area
44060163180506641
Diagonal
296850680.24347
Surface area
264360979083039846
Volume
9.2484542361653E+24
Space diagonal
363566348.1973
Perimeter
629715387
Area
1.9078610304603E+16
Altitude
181783174.09865
Surface area
1.9078610304603E+16
Volume
1.0899407843143E+24
Height
98950226.747825