131805904 is an even 9-digits composite number following 131805903
and preceding 131805905 . In scientific notation, it is written as 1.31805904 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 10 positive divisors.
There are 65902944 positive integers (up to 131805904) that are relatively prime to 131805904.
131805904 has 10 divisors, whose sum is 255373970
The reverse of 131805904 is 409508131
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred thirty-one million eight hundred five thousand nine hundred four
Scientific notation
1.31805904 × 10^8
Engineering notation
1.31805904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 8237869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16475738
Product of the distinct prime numbers
The prime factorization of 131805904 is 2 × 2 × 2 × 2 × 8237869.
Since it has a total of 5 prime factors.
9 , 4 , 51 , 63 , 314 , 713 , 5478 , 305 , 3214 , 96450 , 98064 , 50339 , 84875 , 4757060 , 40570496 , 70548626 , 832594641 , 156382408 , 5962187177 , 7467819978
n×2
263611808
n×3
395417712
n×4
527223616
n×5
659029520
n÷2
65902952
n÷3
43935301.333333
n÷3
32951476
n÷5
26361180.8
n2
17372796329257216
n3
2.2898371251856E+24
n4
3.0181405229785E+32
n5
3.9780874003022E+40
2 √n
11480.675241466
3 √n
508.91465201685
4 √n
107.14791291232
5 √n
42.071400837884
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131805903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131805904 can be divided by 10 positive divisors.
The sum of these divisors (counting 131805904) is 1, the average is 0.1.
Base
System
Value
2
Binary
111110110110011001011010000
3
Ternary
100012000102201011
4
Quaternary
13312303023100
5
Quinary
232220242104
6
Senary
21025020304
8
Octal
766631320
10
Decimal
131805904
12
Duodecimal
38184694
16
Hexadecimal
7db32d0
20
Vigesimal
213fef4
36
Base36
26h234
md5
b8d0a05d5dd15303d6482c5d6e90f8b9
sha1
4968648dd72b1d521cf7b382549613ed8f25faf6
sha256
70c916c4df08d3aa31b276fcfaef7712fbcbb266c3f202d54aafa934e4d10510
sha512
087b885f98d3f49b4f22dfa9f70af63b70fdcb85ec468f016e7ba351f45c57cda566205b3e0a3fd04b15414c514220892083e1aafbbee32fe0d4d9617a91bac4
ripemd-160
c893a3dd4e9637749f78b1efb9d5320535910e6b
Diameter
263611808
Circumference
828160919.41232
Area
5.4578249320306E+16
Volume
9.5916473205338E+24
Surface area
2.1831299728122E+17
Circumference
828160919.41232
Perimeter
527223616
Area
17372796329257216
Diagonal
186401697.03765
Surface area
104236777975543296
Volume
2.2898371251856E+24
Space diagonal
228294522.46555
Perimeter
395417712
Area
7.5226414779549E+15
Altitude
114147261.23277
Surface area
7.5226414779549E+15
Volume
2.6985989317191E+23
Height
62133899.012549