130805939 is an odd 9-digits composite number following 130805938
and preceding 130805940 . In scientific notation, it is written as 1.30805939 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 111596160 positive integers (up to 130805939) that are relatively prime to 130805939.
130805939 has 8 divisors, whose sum is 131885760
The reverse of 130805939 is 939508031
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred thirty million eight hundred five thousand nine hundred thirty-nine
Scientific notation
1.30805939 × 10^8
Engineering notation
1.30805939 × 10^6
Prime Factorization
187 × 443 × 1579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
130805939
Product of the distinct prime numbers
The prime factorization of 130805939 is 187 × 443 × 1579.
Since it has a total of 3 prime factors.
5 , 2 , 97 , 88 , 634 , 361 , 5243 , 4554 , 29028 , 9994 , 528637 , 925 , 9343333 , 1794984 , 69266464 , 48014420 , 614353391 , 16317258 , 4025451008 , 9683933517
n×2
261611878
n×3
392417817
n×4
523223756
n×5
654029695
n÷2
65402969.5
n÷3
43601979.666667
n÷3
32701484.75
n÷5
26161187.8
n2
17110193677671721
n3
2.2381149504797E+24
n4
2.9275872768744E+32
n5
3.8294580275601E+40
2 √n
11437.042406147
3 √n
507.62439814932
4 √n
106.94410879589
5 √n
42.007370048366
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
-130805938
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 130805939 can be divided by 8 positive divisors.
The sum of these divisors (counting 130805939) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110010111111000010110011
3
Ternary
100010010122000102
4
Quaternary
13302333002303
5
Quinary
231441242224
6
Senary
20551343015
8
Octal
762770263
10
Decimal
130805939
12
Duodecimal
37981a6b
16
Hexadecimal
7cbf0b3
20
Vigesimal
20haegj
36
Base36
25vmib
md5
e71320e3fe7b88638fd8959378dc1ddc
sha1
193582ffffb3e4eed5a8d57af96bd2e715092eba
sha256
5245b5604e820fc7700e885bbc429d7d084de4a958b7392235ace61ac1f9ff98
sha512
f34ba6990f350571a5adf4442243bdc35e152ceebe3f34626a539505d9df9c4fc7567dfe49d9caf37078207cdeced4b45c8396aaf155baa7610eee4e31ae7162
ripemd-160
f6a7eee4605562a1438ffb0e1381eea6cc32928a
Diameter
261611878
Circumference
821877954.01663
Area
5.3753258759272E+16
Volume
9.3749939817554E+24
Surface area
2.1501303503709E+17
Circumference
821877954.01663
Perimeter
523223756
Area
17110193677671721
Diagonal
184987532.97275
Surface area
102661162066030326
Volume
2.2381149504797E+24
Space diagonal
226562532.27976
Perimeter
392417817
Area
7.4089311942678E+15
Altitude
113281266.13988
Surface area
7.4089311942678E+15
Volume
2.6376437642653E+23
Height
61662510.990916