131497809 is an odd 9-digits composite number following 131497808
and preceding 131497810 . In scientific notation, it is written as 1.31497809 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 87665204 positive integers (up to 131497809) that are relatively prime to 131497809.
131497809 has 4 divisors, whose sum is 175330416
The reverse of 131497809 is 908794131
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred thirty-one million four hundred ninety-seven thousand eight hundred nine
Scientific notation
1.31497809 × 10^8
Engineering notation
1.31497809 × 10^6
Prime Factorization
3 × 43832603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
131497809
Product of the distinct prime numbers
The prime factorization of 131497809 is 3 × 43832603.
Since it has a total of 2 prime factors.
5 , 9 , 64 , 47 , 535 , 747 , 9649 , 3477 , 51013 , 14940 , 468133 , 787246 , 5975482 , 4600760 , 68184905 , 14419582 , 261389827 , 263570208 , 248571808 , 6478407626
n×2
262995618
n×3
394493427
n×4
525991236
n×5
657489045
n÷2
65748904.5
n÷3
43832603
n÷3
32874452.25
n÷5
26299561.8
n2
17291673771800481
n3
2.2738172149345E+24
n4
2.9900198183037E+32
n5
3.9318105497352E+40
2 √n
11467.249408642
3 √n
508.51781499605
4 √n
107.08524365496
5 √n
42.051714125407
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131497808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131497809 can be divided by 4 positive divisors.
The sum of these divisors (counting 131497809) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101100111111101010001
3
Ternary
100011102210002020
4
Quaternary
13311213331101
5
Quinary
232130412214
6
Senary
21014242053
8
Octal
765477521
10
Decimal
131497809
12
Duodecimal
38056329
16
Hexadecimal
7d67f51
20
Vigesimal
211h4a9
36
Base36
26agcx
md5
f114c3263a88c28c8b55f47a02c24bcd
sha1
883ebf5cc99d92eb60bb8e0e7cb08e084baccb84
sha256
8cc6ff73239116307eca91b11e9e12a86b13847ab828c145c060035868fadbb3
sha512
80ddf7d469ca331bf83afe59240de471b91b2e2fd37b2dfb5f81b9800b7366d1a8d6830d3fec2ae6c3a7d33396b4fe7c8bc9f9c56f23b125b380dbbc77c47a77
ripemd-160
53f2897c4f14bbb8459765cbb730d6285fcb5989
Diameter
262995618
Circumference
826225101.43511
Area
5.432339528976E+16
Volume
9.5245432773924E+24
Surface area
2.1729358115904E+17
Circumference
826225101.43511
Perimeter
525991236
Area
17291673771800481
Diagonal
185965984.91015
Surface area
103750042630802886
Volume
2.2738172149345E+24
Space diagonal
227760886.27199
Perimeter
394493427
Area
7.4875143801661E+15
Altitude
113880443.13599
Surface area
7.4875143801661E+15
Volume
2.6797192864315E+23
Height
61988661.636716