131291276 is an even 9-digits composite number following 131291275
and preceding 131291277 . In scientific notation, it is written as 1.31291276 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 64569360 positive integers (up to 131291276) that are relatively prime to 131291276.
131291276 has 12 divisors, whose sum is 233526720
The reverse of 131291276 is 672192131
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred thirty-one million two hundred ninety-one thousand two hundred seventy-six
Scientific notation
1.31291276 × 10^8
Engineering notation
1.31291276 × 10^6
Prime Factorization
2 × 2 × 61 × 538079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65645638
Product of the distinct prime numbers
The prime factorization of 131291276 is 2 × 2 × 61 × 538079.
Since it has a total of 4 prime factors.
10 , 9 , 37 , 31 , 117 , 690 , 4470 , 5472 , 24227 , 90667 , 406923 , 688424 , 6946530 , 316530 , 230883 , 31358041 , 548143753 , 582934719 , 7124018871 , 2771382667
n×2
262582552
n×3
393873828
n×4
525165104
n×5
656456380
n÷2
65645638
n÷3
43763758.666667
n÷3
32822819
n÷5
26258255.2
n2
17237399153708176
n3
2.2631201298117E+24
n4
2.9712792958426E+32
n5
3.9010305010356E+40
2 √n
11458.240528109
3 √n
508.25144619024
4 √n
107.04317132872
5 √n
42.038496371802
1 , 2 , 4 , 61 , 122 , 244 , 538079 , 1076158 , 2152316 , 32822819 , 65645638 , 131291276
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131291275
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131291276 can be divided by 12 positive divisors.
The sum of these divisors (counting 131291276) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111110100110101100010001100
3
Ternary
100011001021202212
4
Quaternary
13310311202030
5
Quinary
232102310101
6
Senary
21010005552
8
Octal
764654214
10
Decimal
131291276
12
Duodecimal
37b768b8
16
Hexadecimal
7d3588c
20
Vigesimal
210b83g
36
Base36
2660zw
md5
93dea4fbc3876302fa084256ee4e21a7
sha1
178e8136de8da729787c6fa5044a84853211ede6
sha256
d7f05a31ff9724cd3e65e21bbeeea85b3e5aaca9b6c90c097b98784138f94b5e
sha512
a3fb49d66f736f859348c3240d1ff2f388abbb21d6b1772711a00cbf6370d83c0df50e2b2831498e1f23921a7b9219037ae4f8de93b7ca6a6fd7190f8ed659ad
ripemd-160
c5e7086405cfa078a70e905dce249754b5240bbc
Diameter
262582552
Circumference
824927416.32406
Area
5.4152886548285E+16
Volume
9.47973543201E+24
Surface area
2.1661154619314E+17
Circumference
824927416.32406
Perimeter
525165104
Area
17237399153708176
Diagonal
185673903.14047
Surface area
103424394922249056
Volume
2.2631201298117E+24
Space diagonal
227403160.62255
Perimeter
393873828
Area
7.4640127811418E+15
Altitude
113701580.31127
Surface area
7.4640127811418E+15
Volume
2.667112650716E+23
Height
61891301.046823