18285939 is an odd 8-digits composite number following 18285938
and preceding 18285940 . In scientific notation, it is written as 1.8285939 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 10108800 positive integers (up to 18285939) that are relatively prime to 18285939.
18285939 has 16 divisors, whose sum is 23477440
The reverse of 18285939 is 93958281
Previous prime number is 93
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million two hundred eighty-five thousand nine hundred thirty-nine
Scientific notation
1.8285939 × 10^7
Engineering notation
1.8285939 × 10^6
Prime Factorization
7 × 9 × 93 × 3121
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18285939
Product of the distinct prime numbers
The prime factorization of 18285939 is 7 × 9 × 93 × 3121.
Since it has a total of 4 prime factors.
4 , 9 , 38 , 50 , 95 , 787 , 4423 , 5410 , 1242 , 60917 , 138231 , 473251 , 7772367 , 7019676 , 71613304 , 81530061 , 131715489 , 141002389 , 4431359489 , 879773961
n×2
36571878
n×3
54857817
n×4
73143756
n×5
91429695
n÷2
9142969.5
n÷3
6095313
n÷3
4571484.75
n÷5
3657187.8
n2
334375565111721
n3
6.1143711867235E+21
n4
1.1180701854378E+29
n5
2.0444963208635E+36
2 √n
4276.2061456389
3 √n
263.45458159777
4 √n
65.392707128845
5 √n
28.341540550441
1 , 7 , 9 , 63 , 93 , 651 , 837 , 3121 , 5859 , 21847 , 28089 , 196623 , 290253 , 2031771 , 2612277 , 18285939
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
-18285938
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 18285939 can be divided by 16 positive divisors.
The sum of these divisors (counting 18285939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101110000010101110011
3
Ternary
1021102000121000
4
Quaternary
1011300111303
5
Quinary
14140122224
6
Senary
1451533043
8
Octal
105602563
10
Decimal
18285939
12
Duodecimal
615a183
16
Hexadecimal
1170573
20
Vigesimal
5e5egj
36
Base36
avxir
md5
2e2e4402486ef5e9473c59204f49a2db
sha1
30842df033e2f66ff7185fcdfa2b229b2269ad56
sha256
4cef49b2a1cb40213ebca2f59eaf60e6e8f0f53a86e54b2795ee43d760d2d6fc
sha512
72fda43914d65868e972a5dc18b2e27ba2af4868163dc20783f512525647c0a96b5db137fa005d5ecd120917021af6ed222d3debfa7f0fcf93b31585f81677cb
ripemd-160
ee7a8b146943d1dc4b556ad281bae2ac0235f6ff
Diameter
36571878
Circumference
114893943.25278
Area
1.0504718188949E+15
Volume
2.5611818135375E+22
Surface area
4.2018872755797E+15
Circumference
114893943.25278
Perimeter
73143756
Area
334375565111721
Diagonal
25860222.934527
Surface area
2006253390670326
Volume
6.1143711867235E+21
Space diagonal
31672175.412105
Perimeter
54857817
Area
1.4478886689576E+14
Altitude
15836087.706053
Surface area
1.4478886689576E+14
Volume
7.2058555480397E+20
Height
8620074.311509