209738985 is an odd 9-digits composite number following 209738984
and preceding 209738986 . In scientific notation, it is written as 2.09738985 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 108625920 positive integers (up to 209738985) that are relatively prime to 209738985.
209738985 has 16 divisors, whose sum is 230243328
The reverse of 209738985 is 589837902
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred nine million seven hundred thirty-eight thousand nine hundred eighty-five
Scientific notation
2.09738985 × 10^8
Engineering notation
2.09738985 × 10^6
Prime Factorization
15 × 41 × 257 × 1327
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209738985
Product of the distinct prime numbers
The prime factorization of 209738985 is 15 × 41 × 257 × 1327.
Since it has a total of 4 prime factors.
5 , 2 , 66 , 16 , 782 , 990 , 3004 , 5903 , 4805 , 14492 , 126764 , 861865 , 8909324 , 6755652 , 32436352 , 83057688 , 199814474 , 656503399 , 2079150751 , 1615346680
n×2
419477970
n×3
629216955
n×4
838955940
n×5
1048694925
n÷2
104869492.5
n÷3
69912995
n÷3
52434746.25
n÷5
41947797
n2
43990441828830225
n3
9.2265106188804E+24
n4
1.9351589722957E+33
n5
4.0587827866294E+41
2 √n
14482.368072936
3 √n
594.14583082958
4 √n
120.34271092566
5 √n
46.16744414054
1 , 15 , 41 , 257 , 615 , 1327 , 3855 , 10537 , 19905 , 54407 , 158055 , 341039 , 816105 , 5115585 , 13982599 , 209738985
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
-209738984
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 209738985 can be divided by 16 positive divisors.
The sum of these divisors (counting 209738985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100000000101110011101001
3
Ternary
112121122211210120
4
Quaternary
30200011303221
5
Quinary
412143121420
6
Senary
32451233453
8
Octal
1440056351
10
Decimal
209738985
12
Duodecimal
5a2a8889
16
Hexadecimal
c805ce9
20
Vigesimal
35ah795
36
Base36
3gvfmx
md5
912ccd69a81fa743046be36acd0aaeda
sha1
78e00fb569748dc057f9b91c2e324aefbb1d5f96
sha256
d87a968a5e5a270bc8c123e98b2b8003dc0a43a50bb876f03ca8f414a6604453
sha512
d4ff616ccf1355ea2f3dadf7974e687104f5c4cf842df30653c015012f59e6cad29a13fbb610a8dc4a233b689eae8dcaf3174363a0307834830ecb9facbce195
ripemd-160
11bfd1bd7e905ac1efbb365dd54402cb4a14edb4
Diameter
419477970
Circumference
1317828908.8948
Area
1.3820004887762E+17
Volume
3.8647917304724E+25
Surface area
5.5280019551049E+17
Circumference
1317828908.8948
Perimeter
838955940
Area
43990441828830225
Diagonal
296615717.14537
Surface area
263942650972981350
Volume
9.2265106188804E+24
Space diagonal
363278578.34793
Perimeter
629216955
Area
1.9048420073734E+16
Altitude
181639289.17396
Surface area
1.9048420073734E+16
Volume
1.0873547042167E+24
Height
98871905.715122