85905 is an odd 5-digits composite number following 85904
and preceding 85906 . In scientific notation, it is written as 8.5905 × 10^4.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 43296 positive integers (up to 85905) that are relatively prime to 85905.
85905 has 8 divisors, whose sum is 92736
The reverse of 85905 is 50958
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 27
Digital Root 9
Name
eighty-five thousand nine hundred five
Scientific notation
8.5905 × 10^4
Engineering notation
8.5905 × 10^3
Prime Factorization
45 × 23 × 83
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85905
Product of the distinct prime numbers
The prime factorization of 85905 is 45 × 23 × 83.
Since it has a total of 3 prime factors.
6 , 6 , 87 , 19 , 719 , 300 , 3355 , 9739 , 31533 , 26968 , 114349 , 827594 , 9020095 , 293856 , 10672817 , 8230660 , 708951046 , 522683302 , 9237207225 , 6219044731
n×2
171810
n×3
257715
n×4
343620
n×5
429525
n÷2
42952.5
n÷3
28635
n÷3
21476.25
n÷5
17181
n2
7379669025
n3
633950467592625
n4
5.4459514918544E+19
n5
4.6783446290776E+24
2 √n
293.09554756086
3 √n
44.123790517022
4 √n
17.120033515179
5 √n
9.7007137249984
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
-85904
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 85905 can be divided by 8 positive divisors.
The sum of these divisors (counting 85905) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100111110010001
3
Ternary
11100211200
4
Quaternary
110332101
5
Quinary
10222110
6
Senary
1501413
8
Octal
247621
10
Decimal
85905
12
Duodecimal
41869
16
Hexadecimal
14f91
20
Vigesimal
aef5
36
Base36
1ua9
md5
2be605048b41e243e01428d001c18388
sha1
1f8a92b560225bcf2216d342511cb121f79297e5
sha256
05e1f175ef4c5c906f026d0ad587cd7864888bf67bca2d9cbc8520ab532af83c
sha512
faf3088e1be4bd66d2270b0ced9c8d23718af991e55dbc95c81d75b07823a31f5f48b3946e54e0c1a31cac70aac3176d628a0875163f83a8b7cbef92bf9ecabd
ripemd-160
c37fa65fac09f9fbe220bff5dbabcd56b77d4c0d
Diameter
171810
Circumference
539757.03381326
Area
23183913994.864
Volume
2.6554855089717E+15
Surface area
92735655979.457
Circumference
539757.03381326
Perimeter
343620
Area
7379669025
Diagonal
121488.01607566
Surface area
44278014150
Volume
633950467592625
Space diagonal
148791.8246242
Perimeter
257715
Area
3195490423.5856
Altitude
74395.912312102
Surface area
3195490423.5856
Volume
74711779095188
Height
40496.005358554