805220391 is an odd 9-digits composite number following 805220390
and preceding 805220392 . In scientific notation, it is written as 8.05220391 × 10^8.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 536813592 positive integers (up to 805220391) that are relatively prime to 805220391.
805220391 has 4 divisors, whose sum is 1073627192
The reverse of 805220391 is 193022508
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
eight hundred five million two hundred twenty thousand three hundred ninety-one
Scientific notation
8.05220391 × 10^8
Engineering notation
8.05220391 × 10^6
Prime Factorization
3 × 268406797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
805220391
Product of the distinct prime numbers
The prime factorization of 805220391 is 3 × 268406797.
Since it has a total of 2 prime factors.
2 , 4 , 71 , 98 , 79 , 215 , 1415 , 5329 , 81935 , 51644 , 161986 , 115166 , 7867922 , 4428280 , 4551304 , 2969299 , 601410181 , 226135142 , 5686857329 , 9052014216
n×2
1610440782
n×3
2415661173
n×4
3220881564
n×5
4026101955
n÷2
402610195.5
n÷3
268406797
n÷3
201305097.75
n÷5
161044078.2
n2
648379878082192881
n3
5.2208869894588E+26
n4
4.2039646630188E+35
n5
3.3851180697062E+44
2 √n
28376.405533471
3 √n
930.33263277638
4 √n
168.45297721759
5 √n
60.420310508358
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
-805220390
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 805220391 can be divided by 4 positive divisors.
The sum of these divisors (counting 805220391) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111111111101011000000100111
3
Ternary
2002010011102201110
4
Quaternary
233333223000213
5
Quinary
3122114023031
6
Senary
211522400103
8
Octal
5777530047
10
Decimal
805220391
12
Duodecimal
1a5800033
16
Hexadecimal
2ffeb027
20
Vigesimal
cbccajb
36
Base36
dbeo13
md5
228db89f460e666fc7cac135d59b74c5
sha1
abcf11c634d88f53a915532a88663c9449db8319
sha256
554a92ece3921651bde0a9f0c939b3b9ebac6911902902b8e2e2acb4c2859684
sha512
84f08dfff1987959954397758f92ca4e2e9e5966d926f13382ab22ac9d0da92524b6657dd84a81010cdbd82dfc69b5b23396a853bb128a9545a44ed5755720db
ripemd-160
acd11d60eb5cb072906e064c076fa1d64b1a5383
Diameter
1610440782
Circumference
5059348929.7726
Area
2.0369454617185E+18
Volume
2.1869200281742E+27
Surface area
8.1477818468739E+18
Circumference
5059348929.7726
Perimeter
3220881564
Area
648379878082192881
Diagonal
1138753597.6516
Surface area
3890279268493157286
Volume
5.2208869894588E+26
Space diagonal
1394682628.5025
Perimeter
2415661173
Area
2.8075672286092E+17
Altitude
697341314.25124
Surface area
2.8075672286092E+17
Volume
6.1528743234248E+25
Height
379584532.55052