209968391 is an odd 9-digits composite number following 209968390
and preceding 209968392 . In scientific notation, it is written as 2.09968391 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 209590872 positive integers (up to 209968391) that are relatively prime to 209968391.
209968391 has 4 divisors, whose sum is 210345912
The reverse of 209968391 is 193869902
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred nine million nine hundred sixty-eight thousand three hundred ninety-one
Scientific notation
2.09968391 × 10^8
Engineering notation
2.09968391 × 10^6
Prime Factorization
557 × 376963
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209968391
Product of the distinct prime numbers
The prime factorization of 209968391 is 557 × 376963.
Since it has a total of 2 prime factors.
9 , 6 , 34 , 21 , 56 , 232 , 6337 , 3506 , 69512 , 43407 , 704781 , 218593 , 6918774 , 6360674 , 40254949 , 90398366 , 980684468 , 511912005 , 8643374626 , 4448921329
n×2
419936782
n×3
629905173
n×4
839873564
n×5
1049841955
n÷2
104984195.5
n÷3
69989463.666667
n÷3
52492097.75
n÷5
41993678.2
n2
44086725219128881
n3
9.2568187587196E+24
n4
1.943639340547E+33
n5
4.0810282501895E+41
2 √n
14490.286091034
3 √n
594.36237133086
4 √n
120.37560421877
5 √n
46.177539028762
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
-209968390
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 209968391 can be divided by 4 positive divisors.
The sum of these divisors (counting 209968391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100000111101110100000111
3
Ternary
112122002111111002
4
Quaternary
30200331310013
5
Quinary
412222442031
6
Senary
32500203515
8
Octal
1440756407
10
Decimal
209968391
12
Duodecimal
5a39959b
16
Hexadecimal
c83dd07
20
Vigesimal
35c60jb
36
Base36
3h0cnb
md5
feba806c672613c40218eb8fd2756d91
sha1
55a9a181f68b6721ba0748aef21987ad3893a597
sha256
d4b9cd54441ebe8e767bbbf090f3f4912059a6ebad467e9a8714d96bdffe0403
sha512
c0ea69a4744ad62f4a05802661d66096ebe5b0b30c2a30393cf6b756e5fcdfb290ba7e91e1bde59f8ca88361bbf4b825011130e832dccd2297f2247fa5fd2625
ripemd-160
862f043bd01fc586f4211383ffb8fda49a901566
Diameter
419936782
Circumference
1319270309.3033
Area
1.3850253206925E+17
Volume
3.8774871744008E+25
Surface area
5.5401012827699E+17
Circumference
1319270309.3033
Perimeter
839873564
Area
44086725219128881
Diagonal
296940146.22186
Surface area
264520351314773286
Volume
9.2568187587196E+24
Space diagonal
363675921.19549
Perimeter
629905173
Area
1.9090112004715E+16
Altitude
181837960.59774
Surface area
1.9090112004715E+16
Volume
1.0909265527509E+24
Height
98980048.740619