209319987 is an odd 9-digits composite number following 209319986
and preceding 209319988 . In scientific notation, it is written as 2.09319987 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 133311552 positive integers (up to 209319987) that are relatively prime to 209319987.
209319987 has 16 divisors, whose sum is 291594240
The reverse of 209319987 is 789913902
Previous prime number is 2687
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
two hundred nine million three hundred nineteen thousand nine hundred eighty-seven
Scientific notation
2.09319987 × 10^8
Engineering notation
2.09319987 × 10^6
Prime Factorization
3 × 23 × 2687 × 1129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209319987
Product of the distinct prime numbers
The prime factorization of 209319987 is 3 × 23 × 2687 × 1129.
Since it has a total of 4 prime factors.
3 , 8 , 27 , 29 , 792 , 558 , 8307 , 5453 , 52478 , 21227 , 581509 , 474575 , 8998161 , 9204660 , 62083529 , 35442211 , 384769883 , 320655649 , 8199760468 , 9752853501
n×2
418639974
n×3
627959961
n×4
837279948
n×5
1046599935
n÷2
104659993.5
n÷3
69773329
n÷3
52329996.75
n÷5
41863997.4
n2
43814856957680169
n3
9.1713252887885E+24
n4
1.919741690222E+33
n5
4.0184030564062E+41
2 √n
14467.895043855
3 √n
593.74992307294
4 √n
120.28256334089
5 √n
46.148983535459
1 , 3 , 23 , 69 , 1129 , 2687 , 3387 , 8061 , 25967 , 61801 , 77901 , 185403 , 3033623 , 9100869 , 69773329 , 209319987
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
-209319986
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 209319987 can be divided by 16 positive divisors.
The sum of these divisors (counting 209319987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011110011111100000110011
3
Ternary
112120212120001010
4
Quaternary
30132133200303
5
Quinary
412041214422
6
Senary
32434242003
8
Octal
1436374063
10
Decimal
209319987
12
Duodecimal
5a126303
16
Hexadecimal
c79f833
20
Vigesimal
3584jj7
36
Base36
3gmgc3
md5
c0941b7d282dc4147769c8bdb3184859
sha1
641cfe893a7c69a346830462cafce51c49ccdd24
sha256
6fce0d43b1e8a4e9dacf8c400a73ce71f0782d6f75b9bb6e96dcbc25b1d5df00
sha512
64687b1dcf3f4affb23ffce0ca3be6801277e262f67d2c67f0854345069bf61e9024ec16c6668bb9fcf9e2871feddfebeb9b9e07f4146642485074619d8fc680
ripemd-160
eb85ab8c742e790bc3465b08f366a7b9429b2a6f
Diameter
418639974
Circumference
1315196266.8174
Area
1.3764843273634E+17
Volume
3.8416757534587E+25
Surface area
5.5059373094534E+17
Circumference
1315196266.8174
Perimeter
837279948
Area
43814856957680169
Diagonal
296023164.49116
Surface area
262889141746081014
Volume
9.1713252887885E+24
Space diagonal
362552852.52366
Perimeter
627959961
Area
1.8972389594266E+16
Altitude
181276426.26183
Surface area
1.8972389594266E+16
Volume
1.080851050695E+24
Height
98674388.16372