85581 is an odd 5-digits composite number following 85580
and preceding 85582 . In scientific notation, it is written as 8.5581 × 10^4.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 55296 positive integers (up to 85581) that are relatively prime to 85581.
85581 has 8 divisors, whose sum is 98040
The reverse of 85581 is 18558
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 27
Digital Root 9
Name
eighty-five thousand five hundred eighty-one
Scientific notation
8.5581 × 10^4
Engineering notation
8.5581 × 10^3
Prime Factorization
9 × 37 × 257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85581
Product of the distinct prime numbers
The prime factorization of 85581 is 9 × 37 × 257.
Since it has a total of 3 prime factors.
6 , 5 , 44 , 11 , 902 , 659 , 4583 , 7389 , 94713 , 33064 , 795408 , 617058 , 5912729 , 3731827 , 40822932 , 76254728 , 495549608 , 529997745 , 1171149450 , 736823615
n×2
171162
n×3
256743
n×4
342324
n×5
427905
n÷2
42790.5
n÷3
28527
n÷3
21395.25
n÷5
17116.2
n2
7324107561
n3
626804449177941
n4
5.3642551565097E+19
n5
4.5907832054926E+24
2 √n
292.54230463302
3 √n
44.068248080655
4 √n
17.103868119026
5 √n
9.6933852022848
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
-85580
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 85581 can be divided by 8 positive divisors.
The sum of these divisors (counting 85581) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100111001001101
3
Ternary
11100101200
4
Quaternary
110321031
5
Quinary
10214311
6
Senary
1500113
8
Octal
247115
10
Decimal
85581
12
Duodecimal
41639
16
Hexadecimal
14e4d
20
Vigesimal
adj1
36
Base36
1u19
md5
a5cfe9b216da432cd76f7ba87c179e69
sha1
89335256256196905060a107d10ece8228f2ea8e
sha256
1412e674b4b3f3812a0d22d4a1c737c9996b0bf7784ea08db9b52ce4341f4950
sha512
a15035ff7f4cf75974e159ba18523e6a6e35084310b9450158f75acb0f966eb5f67697aab9482d40635568dd4bb9f6cd9962ab09bb34d26fd7fae1e213c2f525
ripemd-160
fbf8c41764cb4667da9a6cdcc6b77e91ac5bfe9a
Diameter
171162
Circumference
537721.28177374
Area
23009362507.739
Volume
2.6255523370331E+15
Surface area
92037450030.956
Circumference
537721.28177374
Perimeter
342324
Area
7324107561
Diagonal
121029.81088145
Surface area
43944645366
Volume
626804449177941
Space diagonal
148230.64016255
Perimeter
256743
Area
3171431603.9378
Altitude
74115.320081276
Surface area
3171431603.9378
Volume
73869612748603
Height
40343.270293817