131085 is an odd 6-digits composite number following 131084
and preceding 131086 . In scientific notation, it is written as 1.31085 × 10^5.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 69840 positive integers (up to 131085) that are relatively prime to 131085.
131085 has 16 divisors, whose sum is 233280
The reverse of 131085 is 580131
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 18
Digital Root 9
Name
one hundred thirty-one thousand eighty-five
Scientific notation
1.31085 × 10^5
Engineering notation
1.31085 × 10^3
Prime Factorization
9 × 3 × 5 × 971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131085
Product of the distinct prime numbers
The prime factorization of 131085 is 9 × 3 × 5 × 971.
Since it has a total of 4 prime factors.
3 , 3 , 19 , 69 , 748 , 512 , 6672 , 1683 , 13481 , 13203 , 669761 , 259485 , 2041005 , 2888288 , 89833338 , 19001624 , 641847881 , 407938763 , 6293640208 , 2491495338
n×2
262170
n×3
393255
n×4
524340
n×5
655425
n÷2
65542.5
n÷3
43695
n÷3
32771.25
n÷5
26217
n2
17183277225
n3
2252469895039125
n4
2.952650161912E+20
n5
3.8704814647424E+25
2 √n
362.05662540547
3 √n
50.798512986832
4 √n
19.027785614871
5 √n
10.556272672442
1 , 3 , 5 , 9 , 15 , 27 , 45 , 135 , 971 , 2913 , 4855 , 8739 , 14565 , 26217 , 43695 , 131085
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131085 can be divided by 16 positive divisors.
The sum of these divisors (counting 131085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000000000001101
3
Ternary
20122211000
4
Quaternary
200000031
5
Quinary
13143320
6
Senary
2450513
8
Octal
400015
10
Decimal
131085
12
Duodecimal
63a39
16
Hexadecimal
2000d
20
Vigesimal
g7e5
36
Base36
2t59
md5
f068be4eef440ab7cb32cf8ce11b5922
sha1
18d5358e2185f84ea52199197f0d4a7bd9e18c54
sha256
47c7c3d0684651969d191937123cc55b726b09b0bcf6c164444b7eadc0fd5c61
sha512
fd78bf01e4c70961e5fc80162ce025e5379906e7f0ac566164a50886c15a4926a01460137a51b83ad6f3fc9454187133f385bbc1b4b66e0a5795a6bd9eb43dc7
ripemd-160
4c9ec5846c0d023a653b05909396ae22c65c5c0d
Diameter
262170
Circumference
823631.34599164
Area
53982857494.657
Volume
9.4351238329161E+15
Surface area
215931429978.63
Circumference
823631.34599164
Perimeter
524340
Area
17183277225
Diagonal
185382.18482368
Surface area
103099663350
Volume
2252469895039125
Space diagonal
227045.88011017
Perimeter
393255
Area
7440577298.5603
Altitude
113522.94005508
Surface area
7440577298.5603
Volume
2.6545612286679E+14
Height
61794.061607892