30993985 is an odd 8-digits composite number following 30993984
and preceding 30993986 . In scientific notation, it is written as 3.0993985 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 22220800 positive integers (up to 30993985) that are relatively prime to 30993985.
30993985 has 16 divisors, whose sum is 41150592
The reverse of 30993985 is 58939903
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirty million nine hundred ninety-three thousand nine hundred eighty-five
Scientific notation
3.0993985 × 10^7
Engineering notation
3.0993985 × 10^6
Prime Factorization
5 × 11 × 71 × 7937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30993985
Product of the distinct prime numbers
The prime factorization of 30993985 is 5 × 11 × 71 × 7937.
Since it has a total of 4 prime factors.
5 , 1 , 50 , 58 , 903 , 745 , 1750 , 7045 , 59311 , 68799 , 745812 , 414807 , 4366819 , 9608362 , 68996003 , 4834589 , 87465740 , 13717307 , 5093459391 , 5227585009
n×2
61987970
n×3
92981955
n×4
123975940
n×5
154969925
n÷2
15496992.5
n÷3
10331328.333333
n÷3
7748496.25
n÷5
6198797
n2
960627106180225
n3
2.9773662119543E+22
n4
9.2280443712819E+29
n5
2.8601386882285E+37
2 √n
5567.2241736794
3 √n
314.11774628552
4 √n
74.61383366159
5 √n
31.496005941138
1 , 5 , 11 , 55 , 71 , 355 , 781 , 3905 , 7937 , 39685 , 87307 , 436535 , 563527 , 2817635 , 6198797 , 30993985
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
-30993984
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 30993985 can be divided by 16 positive divisors.
The sum of these divisors (counting 30993985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110001110111001000001
3
Ternary
2011022122202101
4
Quaternary
1312032321001
5
Quinary
30413301420
6
Senary
3024150401
8
Octal
166167101
10
Decimal
30993985
12
Duodecimal
a468401
16
Hexadecimal
1d8ee41
20
Vigesimal
9de4j5
36
Base36
igb41
md5
08c3a718cf7ba50789a10f4e92f7e405
sha1
712fde93c95f5c6ac850752c2b462f43cebb482b
sha256
17b5ef5d956a52ffe14aae4e20eee0df40565fcc076bfe9b6c50a5e183de5a41
sha512
5cd38fbf6a3ecc38a27abe344e819675501abb9ea4c86eda63185679d4d2f5214831b173929fd79983e0c095d1918703c8e90dda5166031e05da17703377f61a
ripemd-160
7657ebdd83be463e8d63c6315ba9efb8bac6718a
Diameter
61987970
Circumference
194740951.16294
Area
3.017899059615E+15
Volume
1.2471562424696E+23
Surface area
1.207159623846E+16
Circumference
194740951.16294
Perimeter
123975940
Area
960627106180225
Diagonal
43832113.938988
Surface area
5763762637081350
Volume
2.9773662119543E+22
Space diagonal
53683156.749028
Perimeter
92981955
Area
4.15963738758E+14
Altitude
26841578.374514
Surface area
4.15963738758E+14
Volume
3.5088597309144E+21
Height
14610704.646329