68565521 is an odd 8-digits composite number following 68565520
and preceding 68565522 . In scientific notation, it is written as 6.8565521 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 64809360 positive integers (up to 68565521) that are relatively prime to 68565521.
68565521 has 8 divisors, whose sum is 72424704
The reverse of 68565521 is 12556586
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million five hundred sixty-five thousand five hundred twenty-one
Scientific notation
6.8565521 × 10^7
Engineering notation
6.8565521 × 10^6
Prime Factorization
31 × 43 × 51437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68565521
Product of the distinct prime numbers
The prime factorization of 68565521 is 31 × 43 × 51437.
Since it has a total of 3 prime factors.
5 , 4 , 89 , 84 , 557 , 595 , 5127 , 8778 , 55396 , 20904 , 275050 , 496433 , 8194274 , 8178690 , 58832958 , 26004281 , 301248817 , 889036662 , 8596117016 , 3884431259
n×2
137131042
n×3
205696563
n×4
274262084
n×5
342827605
n÷2
34282760.5
n÷3
22855173.666667
n÷3
17141380.25
n÷5
13713104.2
n2
4701230670001441
n3
3.2234233022983E+23
n4
2.2101569812562E+31
n5
1.5154056491162E+39
2 √n
8280.4300009118
3 √n
409.293888722
4 √n
90.996868082983
5 √n
36.916554113316
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
-68565520
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 68565521 can be divided by 8 positive divisors.
The sum of these divisors (counting 68565521) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101100011101000010001
3
Ternary
11210000111012202
4
Quaternary
10011203220101
5
Quinary
120023044041
6
Senary
10445332545
8
Octal
405435021
10
Decimal
68565521
12
Duodecimal
1ab67155
16
Hexadecimal
4163a11
20
Vigesimal
118adg1
36
Base36
14tlht
md5
cf728a2a03f2da017c3678aab57a4c51
sha1
fba8c566594a8d2d26fae40f885c490afbf4120d
sha256
962cc66597568702fe1066a44425964d4fab21c5f9ccef559469f9316dea8ada
sha512
b0ccdf79dc0c3876c2a514aaff9cec5bb9c1c312d1f38b3dca447e27c996e86c81091eba87503fca0a7938566f0565876d15cac470e6e7d2a3ed145aa20cae3a
ripemd-160
6fdb230eb546e55376bcf8fbec5eb41fd550eb6a
Diameter
137131042
Circumference
430809874.12631
Area
1.4769351735708E+16
Volume
1.3502243954547E+24
Surface area
5.907740694283E+16
Circumference
430809874.12631
Perimeter
274262084
Area
4701230670001441
Diagonal
96966289.709377
Surface area
28207384020008646
Volume
3.2234233022983E+23
Space diagonal
118758966.01943
Perimeter
205696563
Area
2.0356925946359E+15
Altitude
59379483.009715
Surface area
2.0356925946359E+15
Volume
3.7988407928164E+22
Height
32322096.569792