18539968 is an even 8-digits composite number following 18539967
and preceding 18539969 . In scientific notation, it is written as 1.8539968 × 10^7.
The sum of its digits is 49. It has a total of 8 prime factors and 28 positive divisors.
There are 9192960 positive integers (up to 18539968) that are relatively prime to 18539968.
18539968 has 28 divisors, whose sum is 37096192
The reverse of 18539968 is 86993581
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million five hundred thirty-nine thousand nine hundred sixty-eight
Scientific notation
1.8539968 × 10^7
Engineering notation
1.8539968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 127 × 2281
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
579374
Product of the distinct prime numbers
The prime factorization of 18539968 is 2 × 2 × 2 × 2 × 2 × 2 × 127 × 2281.
Since it has a total of 8 prime factors.
9 , 10 , 51 , 64 , 93 , 600 , 5095 , 6669 , 48576 , 9293 , 140688 , 304363 , 652863 , 5414932 , 793041 , 30436554 , 892882260 , 356524658 , 6459979554 , 7755126324
n×2
37079936
n×3
55619904
n×4
74159872
n×5
92699840
n÷2
9269984
n÷3
6179989.3333333
n÷3
4634992
n÷5
3707993.6
n2
343730413441024
n3
6.3727508658234E+21
n4
1.1815059712434E+29
n5
2.1905082898661E+36
2 √n
4305.8063124112
3 √n
264.66894937054
4 √n
65.618643024762
5 √n
28.419850958851
1 , 2 , 4 , 8 , 16 , 32 , 64 , 127 , 254 , 508 , 1016 , 2032 , 2281 , 4064 , 4562 , 8128 , 9124 , 18248 , 36496 , 72992 , 145984 , 289687 , 579374 , 1158748 , 2317496 , 4634992 , 9269984 , 18539968
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18539967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18539968 can be divided by 28 positive divisors.
The sum of these divisors (counting 18539968) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1000110101110010111000000
3
Ternary
1021212221001111
4
Quaternary
1012232113000
5
Quinary
14221234333
6
Senary
1501213104
8
Octal
106562700
10
Decimal
18539968
12
Duodecimal
6261194
16
Hexadecimal
11ae5c0
20
Vigesimal
5fh9i8
36
Base36
b1dj4
md5
17de0c01e347faa9ea7ec7387b3be1aa
sha1
22cab452af3ace91402fce031902d900adfce0d9
sha256
93ea1ec3e4cb6c7d12c54de0b11e911498f8a64420f531430bb40d0b2cf0c58c
sha512
a0761b67c37890305158b3e87e982344a8642b028e01a0df384b4c098c2cbf8697a9b22d1239289792129314946d83cea5cb77a68b372987ce31cc72dbcf4c03
ripemd-160
51402f5912cce0e3c43f93681c7af9dfd8075899
Diameter
37079936
Circumference
116490054.53318
Area
1.0798609416817E+15
Volume
2.6694116404305E+22
Surface area
4.3194437667268E+15
Circumference
116490054.53318
Perimeter
74159872
Area
343730413441024
Diagonal
26219474.191563
Surface area
2062382480646144
Volume
6.3727508658234E+21
Space diagonal
32112166.546701
Perimeter
55619904
Area
1.4883963504663E+14
Altitude
16056083.273351
Surface area
1.4883963504663E+14
Volume
7.5103589200602E+20
Height
8739824.7305211