131490281 is an odd 9-digits composite number following 131490280
and preceding 131490282 . In scientific notation, it is written as 1.31490281 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors.
There are 121375488 positive integers (up to 131490281) that are relatively prime to 131490281.
131490281 has 6 divisors, whose sum is 142383150
The reverse of 131490281 is 182094131
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred thirty-one million four hundred ninety thousand two hundred eighty-one
Scientific notation
1.31490281 × 10^8
Engineering notation
1.31490281 × 10^6
Prime Factorization
13 × 13 × 778049
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10114637
Product of the distinct prime numbers
The prime factorization of 131490281 is 13 × 13 × 778049.
Since it has a total of 3 prime factors.
2 , 5 , 16 , 18 , 285 , 636 , 2879 , 661 , 14899 , 49986 , 601849 , 396074 , 738314 , 670300 , 95428380 , 37129117 , 364901288 , 625935321 , 4972960112 , 5252984848
n×2
262980562
n×3
394470843
n×4
525961124
n×5
657451405
n÷2
65745140.5
n÷3
43830093.666667
n÷3
32872570.25
n÷5
26298056.2
n2
17289693997458961
n3
2.2734267221299E+24
n4
2.9893351852577E+32
n5
3.9306852351272E+40
2 √n
11466.921164811
3 √n
508.5081109176
4 √n
107.08371101531
5 √n
42.051232638216
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131490280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131490281 can be divided by 6 positive divisors.
The sum of these divisors (counting 131490281) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111110101100110000111101001
3
Ternary
100011102101202102
4
Quaternary
13311212013221
5
Quinary
232130142111
6
Senary
21014143145
8
Octal
765460751
10
Decimal
131490281
12
Duodecimal
38051ab5
16
Hexadecimal
7d661e9
20
Vigesimal
211g5e1
36
Base36
26aajt
md5
170a555c0a42d1c0078b6c530923a942
sha1
96ebfd671db811522b219ab543d1512c1eaa7132
sha256
2560a315a6bf2d0d02f7f881e64ca0b47d4117511ee04a1a6ccd25e025497d8f
sha512
06b69fa43193ff2a66a4c24cb6ba50d72834ebff17f70b608b4f5eb9f949f066b9a4515a786a14753e07b2cc2466f7f6aacd7c915b7fc0ed652843e5d743356f
ripemd-160
0c01f8fe7a529d050da5a21eb0eb793ea1a3eded
Diameter
262980562
Circumference
826177801.61612
Area
5.4317175645233E+16
Volume
9.5229075849573E+24
Surface area
2.1726870258093E+17
Circumference
826177801.61612
Perimeter
525961124
Area
17289693997458961
Diagonal
185955338.71045
Surface area
103738163984753766
Volume
2.2734267221299E+24
Space diagonal
227747847.39351
Perimeter
394470843
Area
7.4866571127294E+15
Altitude
113873923.69675
Surface area
7.4866571127294E+15
Volume
2.6792590862479E+23
Height
61985112.903483