68561 is an odd 5-digits composite number following 68560
and preceding 68562 . In scientific notation, it is written as 6.8561 × 10^4.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 62208 positive integers (up to 68561) that are relatively prime to 68561.
68561 has 8 divisors, whose sum is 75240
The reverse of 68561 is 16586
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 26
Digital Root 8
Name
sixty-eight thousand five hundred sixty-one
Scientific notation
6.8561 × 10^4
Engineering notation
6.8561 × 10^3
Prime Factorization
17 × 37 × 109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68561
Product of the distinct prime numbers
The prime factorization of 68561 is 17 × 37 × 109.
Since it has a total of 3 prime factors.
1 , 8 , 99 , 58 , 760 , 251 , 5491 , 8532 , 96625 , 23495 , 868864 , 232289 , 5137913 , 656408 , 10333233 , 15770229 , 545034952 , 439443258 , 2886146588 , 5607798618
n×2
137122
n×3
205683
n×4
274244
n×5
342805
n÷2
34280.5
n÷3
22853.666666667
n÷3
17140.25
n÷5
13712.2
n2
4700610721
n3
322278571642481
n4
2.209574115038E+19
n5
1.5149061090112E+24
2 √n
261.84155514356
3 √n
40.928489266336
4 √n
16.181518938084
5 √n
9.2728968474234
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
-68560
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 68561 can be divided by 8 positive divisors.
The sum of these divisors (counting 68561) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000101111010001
3
Ternary
10111001022
4
Quaternary
100233101
5
Quinary
4143221
6
Senary
1245225
8
Octal
205721
10
Decimal
68561
12
Duodecimal
33815
16
Hexadecimal
10bd1
20
Vigesimal
8b81
36
Base36
1gwh
md5
acc701402ab60f31e89bab5150cfdade
sha1
a9c53ada66ae6b5d7e50ebbae696a9ce82075b84
sha256
9e6eb4501dad67486dd329f59ed903416c6796a1ac75c3f49d060d1e30466622
sha512
8bac8e891f6b24900ac2603b7af1b2794495abc7f29741bd2ce52f814126d9b189f9184f252cc687fb4668b944037c59d91903ffcf8ac4083a2f701527f11c7f
ripemd-160
d1e33f5579006034bccdb07eb45f55c09248e9e4
Diameter
137122
Circumference
430781.46784554
Area
14767404108.479
Volume
1.3499573241086E+15
Surface area
59069616433.916
Circumference
430781.46784554
Perimeter
274244
Area
4700610721
Diagonal
96959.896049862
Surface area
28203664326
Volume
322278571642481
Space diagonal
118751.13541773
Perimeter
205683
Area
2035424148.8437
Altitude
59375.567708865
Surface area
2035424148.8437
Volume
37980893906585
Height
32319.965349954