209439390 is an even 9-digits composite number following 209439389
and preceding 209439391 . In scientific notation, it is written as 2.09439390 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 55850496 positive integers (up to 209439390) that are relatively prime to 209439390.
209439390 has 16 divisors, whose sum is 502654608
The reverse of 209439390 is 093934902
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred nine million four hundred thirty-nine thousand three hundred ninety
Scientific notation
2.09439390 × 10^8
Engineering notation
2.09439390 × 10^6
Prime Factorization
2 × 3 × 5 × 6981313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209439390
Product of the distinct prime numbers
The prime factorization of 209439390 is 2 × 3 × 5 × 6981313.
Since it has a total of 4 prime factors.
7 , 7 , 88 , 6 , 976 , 648 , 1339 , 7339 , 58104 , 1851 , 533838 , 396715 , 8701115 , 7066033 , 23780983 , 39602586 , 785545388 , 164571506 , 7355158334 , 4386620927
n×2
418878780
n×3
628318170
n×4
837757560
n×5
1047196950
n÷2
104719695
n÷3
69813130
n÷3
52359847.5
n÷5
41887878
n2
43864858083572100
n3
9.1870291194599E+24
n4
1.9241257746919E+33
n5
4.0298772853475E+41
2 √n
14472.020936967
3 √n
593.86279976947
4 √n
120.29971295463
5 √n
46.154247313927
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 6981313 , 13962626 , 20943939 , 34906565 , 41887878 , 69813130 , 104719695 , 209439390
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
-209439389
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 209439390 can be divided by 16 positive divisors.
The sum of these divisors (counting 209439390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011110111100101010011110
3
Ternary
112121002121211110
4
Quaternary
30132330222132
5
Quinary
412104030030
6
Senary
32441002450
8
Octal
1436745236
10
Decimal
209439390
12
Duodecimal
5a183426
16
Hexadecimal
c7bca9e
20
Vigesimal
358ji9a
36
Base36
3gp0gu
md5
768ea9234c4d344ef00a02f5043e5603
sha1
9db1135aa606837bed578630b4cc040ed0d91c91
sha256
40ac76241ea55f3dd38fe8baafda7110bba59271854c7749025156a87ff403c5
sha512
ffb2f6858fdcbbcb7e1bb9ba9640956076b8daf8222a1df55a2e521b1bc6e2e1b3e302a2f24991be8cb0ba52d3ad1809db54569ebcc20bdec1c4f03c79c2cba8
ripemd-160
51c5229829a9bb07f7a07d4ae574ca9742b3f1c4
Diameter
418878780
Circumference
1315946497.9927
Area
1.3780551590611E+17
Volume
3.8482537586681E+25
Surface area
5.5122206362444E+17
Circumference
1315946497.9927
Perimeter
837757560
Area
43864858083572100
Diagonal
296192025.83315
Surface area
263189148501432600
Volume
9.1870291194599E+24
Space diagonal
362759664.58623
Perimeter
628318170
Area
1.8994040716886E+16
Altitude
181379832.29312
Surface area
1.8994040716886E+16
Volume
1.0827017648881E+24
Height
98730675.277716