68565621 is an odd 8-digits composite number following 68565620
and preceding 68565622 . In scientific notation, it is written as 6.8565621 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 44737760 positive integers (up to 68565621) that are relatively prime to 68565621.
68565621 has 8 divisors, whose sum is 93366144
The reverse of 68565621 is 12656586
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-eight million five hundred sixty-five thousand six hundred twenty-one
Scientific notation
6.8565621 × 10^7
Engineering notation
6.8565621 × 10^6
Prime Factorization
3 × 47 × 486281
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68565621
Product of the distinct prime numbers
The prime factorization of 68565621 is 3 × 47 × 486281.
Since it has a total of 3 prime factors.
2 , 8 , 15 , 27 , 133 , 54 , 4252 , 8659 , 55177 , 26110 , 873217 , 348677 , 8392117 , 9315431 , 20404447 , 42827140 , 897829172 , 677937330 , 7231447515 , 3586464903
n×2
137131242
n×3
205696863
n×4
274262484
n×5
342828105
n÷2
34282810.5
n÷3
22855207
n÷3
17141405.25
n÷5
13713124.2
n2
4701244383115641
n3
3.2234374060109E+23
n4
2.2101698749776E+31
n5
1.5154166999333E+39
2 √n
8280.4360392433
3 √n
409.29408770135
4 √n
90.996901261765
5 √n
36.916564881565
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
-68565620
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 68565621 can be divided by 8 positive divisors.
The sum of these divisors (counting 68565621) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101100011101001110101
3
Ternary
11210000111100110
4
Quaternary
10011203221311
5
Quinary
120023044441
6
Senary
10445333233
8
Octal
405435165
10
Decimal
68565621
12
Duodecimal
1ab67219
16
Hexadecimal
4163a75
20
Vigesimal
118ae11
36
Base36
14tlkl
md5
23efdea70b924f742d1aba60a4e8439d
sha1
211f434dafd8a96e30f7b691e1d81440090c9bfe
sha256
aae2c9ed3502352f386d16b3d16d9d9b1a29de0b384d1329c84d66fbf129c668
sha512
23544f567095ce8d9437cbfdf5d2130721deab7ec8376458b28ab7b9e353d7a604dbf6e7fa3be77bdddb7f4ee22b1b842dfe3d018d5f75472a49eff109ba295d
ripemd-160
9a9c5233dfaf1cf7d8237c7fa9cd0ffcd5a7b90b
Diameter
137131242
Circumference
430810502.44484
Area
1.4769394816726E+16
Volume
1.350230303204E+24
Surface area
5.9077579266906E+16
Circumference
430810502.44484
Perimeter
274262484
Area
4701244383115641
Diagonal
96966431.130734
Surface area
28207466298693846
Volume
3.2234374060109E+23
Space diagonal
118759139.22451
Perimeter
205696863
Area
2.0356985325885E+15
Altitude
59379569.612256
Surface area
2.0356985325885E+15
Volume
3.7988574142011E+22
Height
32322143.710245