805218909 is an odd 9-digits composite number following 805218908
and preceding 805218910 . In scientific notation, it is written as 8.05218909 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 488011440 positive integers (up to 805218909) that are relatively prime to 805218909.
805218909 has 8 divisors, whose sum is 1171227552
The reverse of 805218909 is 909812508
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
eight hundred five million two hundred eighteen thousand nine hundred nine
Scientific notation
8.05218909 × 10^8
Engineering notation
8.05218909 × 10^6
Prime Factorization
11 × 3 × 24400573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
805218909
Product of the distinct prime numbers
The prime factorization of 805218909 is 11 × 3 × 24400573.
Since it has a total of 3 prime factors.
3 , 6 , 33 , 92 , 44 , 716 , 9421 , 3382 , 43958 , 20214 , 833616 , 109478 , 4029787 , 1692223 , 51946933 , 86120123 , 390673433 , 394863543 , 1613810943 , 1071389218
n×2
1610437818
n×3
2415656727
n×4
3220875636
n×5
4026094545
n÷2
402609454.5
n÷3
268406303
n÷3
201304727.25
n÷5
161043781.8
n2
648377491411150281
n3
5.2208581625424E+26
n4
4.2039337136862E+35
n5
3.3850869184427E+44
2 √n
28376.379420215
3 √n
930.33206202009
4 √n
168.45289970854
5 √n
60.420288267747
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-805218908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 805218909 can be divided by 8 positive divisors.
The sum of these divisors (counting 805218909) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111111101010101001011101
3
Ternary
2002010011100200120
4
Quaternary
233333222221131
5
Quinary
3122114001114
6
Senary
211522345153
8
Octal
5777525135
10
Decimal
805218909
12
Duodecimal
1a57bb1b9
16
Hexadecimal
2ffeaa5d
20
Vigesimal
cbcc759
36
Base36
dbemvx
md5
2e9b817236cf567aea3ed24e47a19176
sha1
c56a13c2c691c95b043d69065f539392681bcad3
sha256
35310230044fa9f54686657127c78ebaa4e047b9569eb0652bcda8146695bebb
sha512
bbedd0915ec251ca8b2ddd33d20e2d3b69441398254380ddc607e9896c1cb57f420a0ffba7ef077176f2b496c036e82e6dd8364db751b39bef0faf3af280f5d8
ripemd-160
2c577a824092b85dc0841f6d02bc05e11e727c59
Diameter
1610437818
Circumference
5059339618.092
Area
2.0369379637702E+18
Volume
2.1869079531837E+27
Surface area
8.147751855081E+18
Circumference
5059339618.092
Perimeter
3220875636
Area
648377491411150281
Diagonal
1138751501.7871
Surface area
3890264948466901686
Volume
5.2208581625424E+26
Space diagonal
1394680061.6032
Perimeter
2415656727
Area
2.8075568940204E+17
Altitude
697340030.80159
Surface area
2.8075568940204E+17
Volume
6.1528403505782E+25
Height
379583833.92902