809968981 is an odd 9-digits composite number following 809968980
and preceding 809968982 . In scientific notation, it is written as 8.09968981 × 10^8.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 790213600 positive integers (up to 809968981) that are relatively prime to 809968981.
809968981 has 4 divisors, whose sum is 829724364
The reverse of 809968981 is 189869908
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
eight hundred nine million nine hundred sixty-eight thousand nine hundred eighty-one
Scientific notation
8.09968981 × 10^8
Engineering notation
8.09968981 × 10^6
Prime Factorization
41 × 19755341
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
809968981
Product of the distinct prime numbers
The prime factorization of 809968981 is 41 × 19755341.
Since it has a total of 2 prime factors.
2 , 1 , 99 , 51 , 147 , 532 , 4139 , 3820 , 37093 , 68375 , 603213 , 839510 , 6301382 , 1423832 , 92292184 , 82951491 , 621473995 , 46694911 , 6017113909 , 4416768320
n×2
1619937962
n×3
2429906943
n×4
3239875924
n×5
4049844905
n÷2
404984490.5
n÷3
269989660.33333
n÷3
202492245.25
n÷5
161993796.2
n2
656049750182178361
n3
5.3137994764036E+26
n4
4.304012747141E+35
n5
3.4861168190128E+44
2 √n
28459.953988016
3 √n
932.1578524682
4 √n
168.70078241673
5 √n
60.491405794761
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
-809968980
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 809968981 can be divided by 4 positive divisors.
The sum of these divisors (counting 809968981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000010001110010010101010101
3
Ternary
2002110002200120011
4
Quaternary
300101302111111
5
Quinary
3124323001411
6
Senary
212212240221
8
Octal
6021622525
10
Decimal
809968981
12
Duodecimal
1a7310071
16
Hexadecimal
30472555
20
Vigesimal
cd26291
36
Base36
de8g2d
md5
9142e435a4ca44bb4c84147fed369a84
sha1
b30ab1eb1df417c8888138bc1ece73706275a651
sha256
edafdededa578e58d01b54ea5dd224a31dc0f03aa742474221022404fe10d7ab
sha512
ff7c2d63aabd72e8ebbc454a82ada38731a1774f8a127eeaf29b0142cfceec4bb2b27fb66e8609c23529bdda7cff6aa20a6d24141c498ac5d9f5b148d3c5af9b
ripemd-160
69f3e80c1cd0efc95dd09860e98d7a72cb3dea99
Diameter
1619937962
Circumference
5089185200.6904
Area
2.0610410755618E+18
Volume
2.2258391196959E+27
Surface area
8.244164302247E+18
Circumference
5089185200.6904
Perimeter
3239875924
Area
656049750182178361
Diagonal
1145469118.0317
Surface area
3936298501093070166
Volume
5.3137994764036E+26
Space diagonal
1402907427.6468
Perimeter
2429906943
Area
2.840778749021E+17
Altitude
701453713.8234
Surface area
2.840778749021E+17
Volume
6.2623727393842E+25
Height
381823039.34391