209955906 is an even 9-digits composite number following 209955905
and preceding 209955907 . In scientific notation, it is written as 2.09955906 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 69985296 positive integers (up to 209955906) that are relatively prime to 209955906.
209955906 has 8 divisors, whose sum is 349926540
The reverse of 209955906 is 609559902
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred nine million nine hundred fifty-five thousand nine hundred six
Scientific notation
2.09955906 × 10^8
Engineering notation
2.09955906 × 10^6
Prime Factorization
2 × 9 × 11664217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209955906
Product of the distinct prime numbers
The prime factorization of 209955906 is 2 × 9 × 11664217.
Since it has a total of 3 prime factors.
1 , 7 , 61 , 76 , 463 , 905 , 9916 , 9330 , 19457 , 10072 , 915886 , 359346 , 9383847 , 3702456 , 18937394 , 44984060 , 438218097 , 257128292 , 2608981187 , 629875614
n×2
419911812
n×3
629867718
n×4
839823624
n×5
1049779530
n÷2
104977953
n÷3
69985302
n÷3
52488976.5
n÷5
41991181.2
n2
44081482464280836
n3
9.2551675886112E+24
n4
1.9431770962487E+33
n5
4.0798150776134E+41
2 √n
14489.85527878
3 √n
594.35059057145
4 √n
120.37381475545
5 √n
46.176989860113
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
-209955905
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 209955906 can be divided by 8 positive divisors.
The sum of these divisors (counting 209955906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100000111010110001000010
3
Ternary
112122001212100200
4
Quaternary
30200322301002
5
Quinary
412222042111
6
Senary
32500030030
8
Octal
1440726102
10
Decimal
209955906
12
Duodecimal
5a392316
16
Hexadecimal
c83ac42
20
Vigesimal
35c49f6
36
Base36
3h030i
md5
ced60e8d2de5029f15601fc92cc976d9
sha1
eb83cb880943e66be038e9d380eb88921ba7be57
sha256
8444cf40a881e1286d8b04b863e607873e430c1a8ec366927f68ecb65b9246fc
sha512
6d0071bef3f7edfe237d7441bfaa145916288b6e88d3bc1337e01381823de96339692401a431673d435eadb0c34ac5cfaf7aa66b98dd26d8c6afce9287f8b9f3
ripemd-160
8143a935303adc033555c7d7ecfc45c7199e3d3e
Diameter
419911812
Circumference
1319191863.7348
Area
1.3848606146913E+17
Volume
3.8767955338831E+25
Surface area
5.5394424587653E+17
Circumference
1319191863.7348
Perimeter
839823624
Area
44081482464280836
Diagonal
296922489.76553
Surface area
264488894785685016
Volume
9.2551675886112E+24
Space diagonal
363654296.54116
Perimeter
629867718
Area
1.9087841825273E+16
Altitude
181827148.27058
Surface area
1.9087841825273E+16
Volume
1.0907319604875E+24
Height
98974163.255177