18042993 is an odd 8-digits composite number following 18042992
and preceding 18042994 . In scientific notation, it is written as 1.8042993 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 24 positive divisors.
There are 11728800 positive integers (up to 18042993) that are relatively prime to 18042993.
18042993 has 24 divisors, whose sum is 27701856
The reverse of 18042993 is 39924081
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million forty-two thousand nine hundred ninety-three
Scientific notation
1.8042993 × 10^7
Engineering notation
1.8042993 × 10^6
Prime Factorization
3 × 3 × 9 × 3 × 41 × 1811
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2004777
Product of the distinct prime numbers
The prime factorization of 18042993 is 3 × 3 × 9 × 3 × 41 × 1811.
Since it has a total of 6 prime factors.
6 , 8 , 97 , 74 , 650 , 694 , 4219 , 3068 , 83866 , 73496 , 128473 , 120304 , 2811842 , 2753801 , 12314 , 75408287 , 821545681 , 451651806 , 7953984529 , 8661348641
n×2
36085986
n×3
54128979
n×4
72171972
n×5
90214965
n÷2
9021496.5
n÷3
6014331
n÷3
4510748.25
n÷5
3608598.6
n2
325549596398049
n3
5.8738890889628E+21
n4
1.0598253971493E+29
n5
1.9122422221988E+36
2 √n
4247.7044388705
3 √n
262.28262821107
4 √n
65.174415523812
5 √n
28.265828274387
1 , 3 , 9 , 27 , 41 , 81 , 123 , 243 , 369 , 1107 , 1811 , 3321 , 5433 , 9963 , 16299 , 48897 , 74251 , 146691 , 222753 , 440073 , 668259 , 2004777 , 6014331 , 18042993
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18042992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18042993 can be divided by 24 positive divisors.
The sum of these divisors (counting 18042993) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000100110101000001110001
3
Ternary
1020221200100000
4
Quaternary
1010311001301
5
Quinary
14104333433
6
Senary
1442420213
8
Octal
104650161
10
Decimal
18042993
12
Duodecimal
6061669
16
Hexadecimal
1135071
20
Vigesimal
5cf79d
36
Base36
aqq29
md5
1be4e4c6e389556b2dae7e57c079415f
sha1
738110e4e142612894071688dbbad39b3cec807a
sha256
d99b649ad68c63dd55673421def25703e6e165182517d4c723e0970c8052dc8b
sha512
7183ab209fae056c7d51287cee08f1bd95adc7f4890eebef2b4c6dd40970c4adee02d991d1e5d7fb4735c87e85903dce10b2c1d996bb26b37fd3ab91b082e918
ripemd-160
be95a7ae70594dd932d916812b69141b15d92af5
Diameter
36085986
Circumference
113367468.51514
Area
1.0227442204232E+15
Volume
2.4604489079849E+22
Surface area
4.0909768816929E+15
Circumference
113367468.51514
Perimeter
72171972
Area
325549596398049
Diagonal
25516645.406403
Surface area
1953297578388294
Volume
5.8738890889628E+21
Space diagonal
31251380.59661
Perimeter
54128979
Area
1.4096711033624E+14
Altitude
15625690.298305
Surface area
1.4096711033624E+14
Volume
6.9224446779055E+20
Height
8505548.4688009