809389640 is an even 9-digits composite number following 809389639
and preceding 809389641 . In scientific notation, it is written as 8.09389640 × 10^8.
The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors.
There are 323755840 positive integers (up to 809389640) that are relatively prime to 809389640.
809389640 has 16 divisors, whose sum is 1821126780
The reverse of 809389640 is 046983908
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
eight hundred nine million three hundred eighty-nine thousand six hundred forty
Scientific notation
8.09389640 × 10^8
Engineering notation
8.09389640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 20234741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
202347410
Product of the distinct prime numbers
The prime factorization of 809389640 is 2 × 2 × 2 × 5 × 20234741.
Since it has a total of 5 prime factors.
6 , 4 , 6 , 90 , 141 , 3 , 3528 , 294 , 58559 , 84970 , 418440 , 435227 , 1971197 , 2094217 , 72273426 , 95938161 , 349063174 , 473589353 , 8669654732 , 905331261
n×2
1618779280
n×3
2428168920
n×4
3237558560
n×5
4046948200
n÷2
404694820
n÷3
269796546.66667
n÷3
202347410
n÷5
161877928
n2
655111589339329600
n3
5.3024053345519E+26
n4
4.291711944867E+35
n5
3.4736671860396E+44
2 √n
28449.773988557
3 √n
931.93555339152
4 √n
168.67060795692
5 √n
60.48274986268
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 20234741 , 40469482 , 80938964 , 101173705 , 161877928 , 202347410 , 404694820 , 809389640
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
-809389639
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 809389640 can be divided by 16 positive divisors.
The sum of these divisors (counting 809389640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000001111100100111001001000
3
Ternary
2002102000020212002
4
Quaternary
300033210321020
5
Quinary
3124200432030
6
Senary
212152010132
8
Octal
6017447110
10
Decimal
809389640
12
Duodecimal
1a7090948
16
Hexadecimal
303e4e48
20
Vigesimal
ccide20
36
Base36
ddw11k
md5
016bbd921496787148854f2ff257e064
sha1
15b7de62081c708a5cf84adc37d0f7bb293e1c17
sha256
c63149fd6bcc4af1f8ccdacebde9fbc46f7273091438f7a853efb9548bf63bd8
sha512
cbbdc2a880c9737bee748a665b241ce6f3fd9ac59b3127d6d0524fab25c5fbbd8eab34d8628e9291b9498e2a86f21e7142510f9fe4241d609108b87b054ce944
ripemd-160
2d6492b9c8663b7c29f02f589f4ff734c7c808cd
Diameter
1618779280
Circumference
5085545093.8314
Area
2.05809375635E+18
Volume
2.2210663527178E+27
Surface area
8.2323750253999E+18
Circumference
5085545093.8314
Perimeter
3237558560
Area
655111589339329600
Diagonal
1144649806.1323
Surface area
3930669536035977600
Volume
5.3024053345519E+26
Space diagonal
1401903979.5999
Perimeter
2428168920
Area
2.8367163934073E+17
Altitude
700951989.79994
Surface area
2.8367163934073E+17
Volume
6.2489446144356E+25
Height
381549935.37743