30909942 is an even 8-digits composite number following 30909941
and preceding 30909943 . In scientific notation, it is written as 3.0909942 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 8831376 positive integers (up to 30909942) that are relatively prime to 30909942.
30909942 has 16 divisors, whose sum is 58876320
The reverse of 30909942 is 24990903
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty million nine hundred nine thousand nine hundred forty-two
Scientific notation
3.0909942 × 10^7
Engineering notation
3.0909942 × 10^6
Prime Factorization
2 × 9 × 7 × 245317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30909942
Product of the distinct prime numbers
The prime factorization of 30909942 is 2 × 9 × 7 × 245317.
Since it has a total of 4 prime factors.
10 , 6 , 70 , 48 , 319 , 787 , 8503 , 7299 , 74854 , 3283 , 403924 , 215891 , 4014256 , 5318716 , 48311909 , 24679848 , 47206493 , 912250878 , 3425212332 , 6975463901
n×2
61819884
n×3
92729826
n×4
123639768
n×5
154549710
n÷2
15454971
n÷3
10303314
n÷3
7727485.5
n÷5
6181988.4
n2
955424514443364
n3
2.9532116326823E+22
n4
9.1283600279934E+29
n5
2.8215707902039E+37
2 √n
5559.6710334335
3 √n
313.83356969217
4 √n
74.563201603965
5 √n
31.478906529366
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 245317 , 490634 , 1717219 , 2207853 , 3434438 , 4415706 , 15454971 , 30909942
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30909941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30909942 can be divided by 16 positive divisors.
The sum of these divisors (counting 30909942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101111010010111110110
3
Ternary
2011011101110200
4
Quaternary
1311322113312
5
Quinary
30403104232
6
Senary
3022301330
8
Octal
165722766
10
Decimal
30909942
12
Duodecimal
a427846
16
Hexadecimal
1d7a5f6
20
Vigesimal
9d3eh2
36
Base36
iei9i
md5
73af633e68f5966473cdd5eeb914606f
sha1
2fbdee5f85ebe6a85554d33c346d315bd208042f
sha256
7cde00b3e05ae3e273e09531e1239cb54251f6561a99d577e208450f7bbc7f72
sha512
655e7f3853f97f966dd3158547e6aaca8ee56841c60828133a5c7f9040df82aad2685663ab7f89770ac3ccb795321a034de7c35f2a10e6c8cdd63ec54b2ec983
ripemd-160
c2a02ca7a3a50b08ccd0fdcd63d382aafdc0d110
Diameter
61819884
Circumference
194212893.42017
Area
3.0015546356349E+15
Volume
1.2370383959641E+23
Surface area
1.2006218542539E+16
Circumference
194212893.42017
Perimeter
123639768
Area
955424514443364
Diagonal
43713259.188566
Surface area
5732547086660184
Volume
2.9532116326823E+22
Space diagonal
53537590.003007
Perimeter
92729826
Area
4.1371095045318E+14
Altitude
26768795.001504
Surface area
4.1371095045318E+14
Volume
3.4803932862477E+21
Height
14571086.396189