68105 is an odd 5-digits composite number following 68104
and preceding 68106 . In scientific notation, it is written as 6.8105 × 10^4.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 53248 positive integers (up to 68105) that are relatively prime to 68105.
68105 has 8 divisors, whose sum is 83592
The reverse of 68105 is 50186
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
sixty-eight thousand one hundred five
Scientific notation
6.8105 × 10^4
Engineering notation
6.8105 × 10^3
Prime Factorization
5 × 53 × 257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68105
Product of the distinct prime numbers
The prime factorization of 68105 is 5 × 53 × 257.
Since it has a total of 3 prime factors.
1 , 1 , 65 , 46 , 551 , 272 , 5761 , 9630 , 58207 , 34086 , 94678 , 119569 , 3695744 , 1953717 , 19800267 , 98738259 , 752331790 , 212395761 , 2578057572 , 8504242670
n×2
136210
n×3
204315
n×4
272420
n×5
340525
n÷2
34052.5
n÷3
22701.666666667
n÷3
17026.25
n÷5
13621
n2
4638291025
n3
315890810257625
n4
2.1513743632596E+19
n5
1.4651935100979E+24
2 √n
260.96934685897
3 √n
40.837548734139
4 √n
16.154545702649
5 √n
9.2605290714923
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
-68104
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 68105 can be divided by 8 positive divisors.
The sum of these divisors (counting 68105) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000101000001001
3
Ternary
10110102102
4
Quaternary
100220021
5
Quinary
4134410
6
Senary
1243145
8
Octal
205011
10
Decimal
68105
12
Duodecimal
334b5
16
Hexadecimal
10a09
20
Vigesimal
8a55
36
Base36
1gjt
md5
5dc29345f0b8b1c37aaaf74dfd199ffe
sha1
02b43d11aab3758a33ea56f8d7f498d1f35bb260
sha256
2a25c6acacd8e254be4453dfc378881e40d24c6ec8d1de968bc16b0c8d97921e
sha512
405afa96b07adff0b3ff68691ec3003d8aeb7f3a70e4b556182ba75fa121ff10b3791e1b4ce36b73ce4df25518a64885ef541cc34831bae1d4f9f317992dd30d
ripemd-160
433e4a7cc7eaa08bb77dd6742d7d5ca1e2ca3999
Diameter
136210
Circumference
427916.33534547
Area
14571621009.351
Volume
1.3232003317892E+15
Surface area
58286484037.406
Circumference
427916.33534547
Perimeter
272420
Area
4638291025
Diagonal
96315.01466542
Surface area
27829746150
Volume
315890810257625
Space diagonal
117961.32024948
Perimeter
204315
Area
2008438928.8977
Altitude
58980.660124739
Surface area
2008438928.8977
Volume
37228089007947
Height
32105.004888473