131291283 is an odd 9-digits composite number following 131291282
and preceding 131291284 . In scientific notation, it is written as 1.31291283 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 86294600 positive integers (up to 131291283) that are relatively prime to 131291283.
131291283 has 8 divisors, whose sum is 177520896
The reverse of 131291283 is 382192131
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred thirty-one million two hundred ninety-one thousand two hundred eighty-three
Scientific notation
1.31291283 × 10^8
Engineering notation
1.31291283 × 10^6
Prime Factorization
3 × 71 × 616391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
131291283
Product of the distinct prime numbers
The prime factorization of 131291283 is 3 × 71 × 616391.
Since it has a total of 3 prime factors.
7 , 2 , 67 , 69 , 787 , 901 , 2047 , 806 , 53754 , 50487 , 952193 , 589021 , 7125082 , 9758791 , 86766965 , 7449198 , 305465939 , 12865155 , 6182048768 , 1284009332
n×2
262582566
n×3
393873849
n×4
525165132
n×5
656456415
n÷2
65645641.5
n÷3
43763761
n÷3
32822820.75
n÷5
26258256.6
n2
17237400991786089
n3
2.2631204917971E+24
n4
2.9712799295163E+32
n5
3.9010315409834E+40
2 √n
11458.240833566
3 √n
508.25145522298
4 √n
107.04317275551
5 √n
42.038496820072
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131291282
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131291283 can be divided by 8 positive divisors.
The sum of these divisors (counting 131291283) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110100110101100010010011
3
Ternary
100011001021210010
4
Quaternary
13310311202103
5
Quinary
232102310113
6
Senary
21010010003
8
Octal
764654223
10
Decimal
131291283
12
Duodecimal
37b76903
16
Hexadecimal
7d35893
20
Vigesimal
210b843
36
Base36
266103
md5
7ba59813961091e910351d7250137e99
sha1
4fac8259e8615afd20f60c186b4eb729fe6b4764
sha256
616ea31ee38ed60d49b9025395f1bb32694125b5103aa60c0168ffddb506914d
sha512
9171d5b3e9b3c5ac391bf6132fc629ce520a132246752543be1912d75eff645656c39983ec639cca272e0da1d01cbc7749b247b347c59cb7dabd04c19434cda8
ripemd-160
1dd796e8fb3cce4985fecfa6e870ee27a13a5cc1
Diameter
262582566
Circumference
824927460.30636
Area
5.4152892322777E+16
Volume
9.4797369482909E+24
Surface area
2.1661156929111E+17
Circumference
824927460.30636
Perimeter
525165132
Area
17237400991786089
Diagonal
185673913.03996
Surface area
103424405950716534
Volume
2.2631204917971E+24
Space diagonal
227403172.7469
Perimeter
393873849
Area
7.4640135770529E+15
Altitude
113701586.37345
Surface area
7.4640135770529E+15
Volume
2.6671130773199E+23
Height
61891304.346655