30685655 is an odd 8-digits composite number following 30685654
and preceding 30685656 . In scientific notation, it is written as 3.0685655 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 17654400 positive integers (up to 30685655) that are relatively prime to 30685655.
30685655 has 8 divisors, whose sum is 31592064
The reverse of 30685655 is 55658603
Previous prime number is 91
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty million six hundred eighty-five thousand six hundred fifty-five
Scientific notation
3.0685655 × 10^7
Engineering notation
3.0685655 × 10^6
Prime Factorization
55 × 91 × 6131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30685655
Product of the distinct prime numbers
The prime factorization of 30685655 is 55 × 91 × 6131.
Since it has a total of 3 prime factors.
6 , 10 , 90 , 24 , 294 , 621 , 9378 , 791 , 29842 , 61739 , 722364 , 773882 , 9052950 , 9249764 , 46966519 , 62095982 , 565243398 , 246548390 , 9708674137 , 7953571613
n×2
61371310
n×3
92056965
n×4
122742620
n×5
153428275
n÷2
15342827.5
n÷3
10228551.666667
n÷3
7671413.75
n÷5
6137131
n2
941609422779025
n3
2.8893901892146E+22
n4
8.8662830506625E+29
n5
2.7206770282498E+37
2 √n
5539.4634216682
3 √n
313.07265238061
4 √n
74.42757164968
5 √n
31.433090258141
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
-30685654
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 30685655 can be divided by 8 positive divisors.
The sum of these divisors (counting 30685655) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101000011100111010111
3
Ternary
2010201222210202
4
Quaternary
1311003213113
5
Quinary
30323420110
6
Senary
3013411115
8
Octal
165034727
10
Decimal
30685655
12
Duodecimal
a339a9b
16
Hexadecimal
1d439d7
20
Vigesimal
9bfe2f
36
Base36
i9p7b
md5
86c19f9d15ba5da7d93d9a7e7e82f0ee
sha1
136bfb7471c2b7a0117d966364b4be07c165e4e9
sha256
8db93f6e64a3404c9f2703f19994da219dfec5948f419f0eb3ee91c04a15507f
sha512
c49d7448c79383e272df04ec2926a3c8a4fcea0e60d7448d7a8860a2e363e2e480e3d1c797e388666e07093f210431d14fb8cda6336887e3332a6f93deb73d24
ripemd-160
1e55657cbb198b2be0fd72271db71142f864f716
Diameter
61371310
Circumference
192803656.63718
Area
2.9581532451535E+15
Volume
1.2103049322388E+23
Surface area
1.1832612980614E+16
Circumference
192803656.63718
Perimeter
122742620
Area
941609422779025
Diagonal
43396069.471302
Surface area
5649656536674150
Volume
2.8893901892146E+22
Space diagonal
53149113.52353
Perimeter
92056965
Area
4.0772884028472E+14
Altitude
26574556.761765
Surface area
4.0772884028472E+14
Volume
3.4051789938126E+21
Height
14465356.490434