131291284 is an even 9-digits composite number following 131291283
and preceding 131291285 . In scientific notation, it is written as 1.31291284 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 64118304 positive integers (up to 131291284) that are relatively prime to 131291284.
131291284 has 24 divisors, whose sum is 235156320
The reverse of 131291284 is 482192131
Previous prime number is 163
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred thirty-one million two hundred ninety-one thousand two hundred eighty-four
Scientific notation
1.31291284 × 10^8
Engineering notation
1.31291284 × 10^6
Prime Factorization
2 × 2 × 59 × 163 × 3413
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
65645642
Product of the distinct prime numbers
The prime factorization of 131291284 is 2 × 2 × 59 × 163 × 3413.
Since it has a total of 5 prime factors.
6 , 3 , 85 , 4 , 574 , 197 , 8518 , 6928 , 30483 , 27450 , 874756 , 983611 , 3087905 , 5790245 , 23444526 , 98392774 , 292252990 , 861731098 , 6549699216 , 8452996634
n×2
262582568
n×3
393873852
n×4
525165136
n×5
656456420
n÷2
65645642
n÷3
43763761.333333
n÷3
32822821
n÷5
26258256.8
n2
17237401254368656
n3
2.2631205435093E+24
n4
2.9712800200411E+32
n5
3.9010316895474E+40
2 √n
11458.240877203
3 √n
508.25145651338
4 √n
107.04317295934
5 √n
42.03849688411
1 , 2 , 4 , 59 , 118 , 163 , 236 , 326 , 652 , 3413 , 6826 , 9617 , 13652 , 19234 , 38468 , 201367 , 402734 , 556319 , 805468 , 1112638 , 2225276 , 32822821 , 65645642 , 131291284
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131291283
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131291284 can be divided by 24 positive divisors.
The sum of these divisors (counting 131291284) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111110100110101100010010100
3
Ternary
100011001021210011
4
Quaternary
13310311202110
5
Quinary
232102310114
6
Senary
21010010004
8
Octal
764654224
10
Decimal
131291284
12
Duodecimal
37b76904
16
Hexadecimal
7d35894
20
Vigesimal
210b844
36
Base36
266104
md5
0866dd5ece855f08873bfd4e4b20ce92
sha1
3efcb97c15bb3b155a71ae1dec2ceca4bb0c0abd
sha256
562fbedb2932bf1b8bfd384d24f60af098f7308d8cfb393383cba8c017c3b079
sha512
3fb7b600984e119b36b4950cde219932b427f7d5ee48f91be7fed646d2a4689ea6923d98b4461ab549f03242c3d98f9fc3a27a9876c865ef55e3ae3e33d37ab7
ripemd-160
b87559dbd3d9b55d0986fbe0759eeab1755ba963
Diameter
262582568
Circumference
824927466.58954
Area
5.4152893147704E+16
Volume
9.4797371649025E+24
Surface area
2.1661157259082E+17
Circumference
824927466.58954
Perimeter
525165136
Area
17237401254368656
Diagonal
185673914.45418
Surface area
103424407526211936
Volume
2.2631205435093E+24
Space diagonal
227403174.47895
Perimeter
393873852
Area
7.4640136907545E+15
Altitude
113701587.23948
Surface area
7.4640136907545E+15
Volume
2.6671131382633E+23
Height
61891304.818059