131291286 is an even 9-digits composite number following 131291285
and preceding 131291287 . In scientific notation, it is written as 1.31291286 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 37511712 positive integers (up to 131291286) that are relatively prime to 131291286.
131291286 has 24 divisors, whose sum is 305453880
The reverse of 131291286 is 682192131
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred thirty-one million two hundred ninety-one thousand two hundred eighty-six
Scientific notation
1.31291286 × 10^8
Engineering notation
1.31291286 × 10^6
Prime Factorization
2 × 3 × 7 × 7 × 446569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18755898
Product of the distinct prime numbers
The prime factorization of 131291286 is 2 × 3 × 7 × 7 × 446569.
Since it has a total of 5 prime factors.
10 , 1 , 55 , 7 , 420 , 642 , 8841 , 6237 , 62600 , 36870 , 285299 , 346831 , 9726252 , 1334600 , 27871467 , 3631635 , 130467505 , 406973510 , 6683585895 , 878087502
n×2
262582572
n×3
393873858
n×4
525165144
n×5
656456430
n÷2
65645643
n÷3
43763762
n÷3
32822821.5
n÷5
26258257.2
n2
17237401779533796
n3
2.2631206469337E+24
n4
2.9712802010907E+32
n5
3.9010319866754E+40
2 √n
11458.240964476
3 √n
508.25145909416
4 √n
107.04317336699
5 √n
42.038497012188
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 49 , 98 , 147 , 294 , 446569 , 893138 , 1339707 , 2679414 , 3125983 , 6251966 , 9377949 , 18755898 , 21881881 , 43763762 , 65645643 , 131291286
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
-131291285
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 131291286 can be divided by 24 positive divisors.
The sum of these divisors (counting 131291286) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111110100110101100010010110
3
Ternary
100011001021210020
4
Quaternary
13310311202112
5
Quinary
232102310121
6
Senary
21010010010
8
Octal
764654226
10
Decimal
131291286
12
Duodecimal
37b76906
16
Hexadecimal
7d35896
20
Vigesimal
210b846
36
Base36
266106
md5
d75999b855b65820271f3562f911128a
sha1
6cbe6517e8ac03e4453f2bc6fd7dc95857ea347b
sha256
30979b57ddbd0ad4852eeb11692f36dca23c7ec0814bf0f687211c4ea601ba30
sha512
ffdca650f16e313bb6bb0c809a57c18ae352ad9a5d8b82d5a460bb384d268ccbd10d2ed977ce6bc8ae432269cef5dd6b34f7b9c04e013bd44370ca39263dd31c
ripemd-160
49b9572045c3cca39d65440f9c7f94fdaa9c88e4
Diameter
262582572
Circumference
824927479.15591
Area
5.4152894797559E+16
Volume
9.4797375981256E+24
Surface area
2.1661157919024E+17
Circumference
824927479.15591
Perimeter
525165144
Area
17237401779533796
Diagonal
185673917.2826
Surface area
103424410677202776
Volume
2.2631206469337E+24
Space diagonal
227403177.94306
Perimeter
393873858
Area
7.4640139181577E+15
Altitude
113701588.97153
Surface area
7.4640139181577E+15
Volume
2.6671132601502E+23
Height
61891305.760868