131291275 is an odd 9-digits composite number following 131291274
and preceding 131291276 . In scientific notation, it is written as 1.31291275 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 104883840 positive integers (up to 131291275) that are relatively prime to 131291275.
131291275 has 8 divisors, whose sum is 136736912
The reverse of 131291275 is 572192131
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred thirty-one million two hundred ninety-one thousand two hundred seventy-five
Scientific notation
1.31291275 × 10^8
Engineering notation
1.31291275 × 10^6
Prime Factorization
25 × 787 × 6673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
131291275
Product of the distinct prime numbers
The prime factorization of 131291275 is 25 × 787 × 6673.
Since it has a total of 3 prime factors.
6 , 1 , 38 , 55 , 713 , 10 , 6834 , 1597 , 47493 , 25778 , 14655 , 473585 , 2784471 , 5550173 , 2527828 , 81427988 , 460905978 , 282654896 , 417158791 , 5799616254
n×2
262582550
n×3
393873825
n×4
525165100
n×5
656456375
n÷2
65645637.5
n÷3
43763758.333333
n÷3
32822818.75
n÷5
26258255
n2
17237398891125625
n3
2.2631200780995E+24
n4
2.9712792053178E+32
n5
3.9010303524716E+40
2 √n
11458.240484472
3 √n
508.25144489985
4 √n
107.04317112489
5 √n
42.038496307764
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
-131291274
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 131291275 can be divided by 8 positive divisors.
The sum of these divisors (counting 131291275) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110100110101100010001011
3
Ternary
100011001021202211
4
Quaternary
13310311202023
5
Quinary
232102310100
6
Senary
21010005551
8
Octal
764654213
10
Decimal
131291275
12
Duodecimal
37b768b7
16
Hexadecimal
7d3588b
20
Vigesimal
210b83f
36
Base36
2660zv
md5
12ec20cfe9b9b5dc6100b7b8514a1b9f
sha1
fb1ee88966d0f7b3e8f75a0118640c939494b253
sha256
419a2924d852d337ed6d08bb0899024cd71d61fb4b2f5572879c22bec20d67e4
sha512
3c382f3cf84a8f1208557c1d3e5478603b73e1910b1cfef6b0513789744a8deb0ffd21e3307b9fa74050639077f1c12575e24c80b045be718fef3529e7f79a61
ripemd-160
89cf3d16da9c35398483caad2610d987b789357b
Diameter
262582550
Circumference
824927410.04087
Area
5.4152885723357E+16
Volume
9.4797352153985E+24
Surface area
2.1661154289343E+17
Circumference
824927410.04087
Perimeter
525165100
Area
17237398891125625
Diagonal
185673901.72626
Surface area
103424393346753750
Volume
2.2631200780995E+24
Space diagonal
227403158.8905
Perimeter
393873825
Area
7.4640126674403E+15
Altitude
113701579.44525
Surface area
7.4640126674403E+15
Volume
2.6671125897726E+23
Height
61891300.575419