231808 is an even 6-digits composite number following 231807
and preceding 231809 . In scientific notation, it is written as 2.31808 × 10^5.
The sum of its digits is 22. It has a total of 8 prime factors and 16 positive divisors.
There are 115840 positive integers (up to 231808) that are relatively prime to 231808.
231808 has 16 divisors, whose sum is 462060
The reverse of 231808 is 808132
Previous prime number is 2
Is Prime? no
Number parity even
Number length 6
Sum of Digits 22
Digital Root 4
Name
two hundred thirty-one thousand eight hundred eight
Scientific notation
2.31808 × 10^5
Engineering notation
2.31808 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 1811
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
3622
Product of the distinct prime numbers
The prime factorization of 231808 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1811.
Since it has a total of 8 prime factors.
7 , 2 , 30 , 53 , 22 , 22 , 2982 , 115 , 54323 , 71539 , 110619 , 562859 , 9734878 , 8406047 , 65277669 , 4278440 , 318904329 , 399198046 , 5641780426 , 8729225603
n×2
463616
n×3
695424
n×4
927232
n×5
1159040
n÷2
115904
n÷3
77269.333333333
n÷3
57952
n÷5
46361.6
n2
53734948864
n3
12456191026266112
n4
2.8874447294167E+21
n5
6.6933278783663E+26
2 √n
481.46443274659
3 √n
61.429381121986
4 √n
21.942297800062
5 √n
11.831115223724
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 1811 , 3622 , 7244 , 14488 , 28976 , 57952 , 115904 , 231808
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
-231807
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 231808 can be divided by 16 positive divisors.
The sum of these divisors (counting 231808) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111000100110000000
3
Ternary
102202222111
4
Quaternary
320212000
5
Quinary
24404213
6
Senary
4545104
8
Octal
704600
10
Decimal
231808
12
Duodecimal
b2194
16
Hexadecimal
38980
20
Vigesimal
18ja8
36
Base36
4yv4
md5
f08acee9697d8959ecade82d7d6ba09c
sha1
97cc855dfc0b72b60e08a83bdd5ce98c64eda9bd
sha256
7a5b420beaaf6b5d6c5023b5f65733e3ac9d179efb46beba9182c80c4a4b54fa
sha512
6a82c9532fb38ace78fe366a5761dee3c73f7799f32c152efeeb5e83342a5aff0111cefcb1888a48141c9cbe489d7c68df210cc89a10ae16b592585491259444
ripemd-160
7e0a7dceeaab33eca914abde39e7d9473af04878
Diameter
463616
Circumference
1456492.6196867
Area
168813320592.17
Volume
5.2176370959772E+16
Surface area
675253282368.66
Circumference
1456492.6196867
Perimeter
927232
Area
53734948864
Diagonal
327826.01746658
Surface area
322409693184
Volume
12456191026266112
Space diagonal
401503.23360093
Perimeter
695424
Area
23267915393.641
Altitude
200751.61680046
Surface area
23267915393.641
Volume
1.4679761904046E+15
Height
109275.33915553