18542868 is an even 8-digits composite number following 18542867
and preceding 18542869 . In scientific notation, it is written as 1.8542868 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 6180952 positive integers (up to 18542868) that are relatively prime to 18542868.
18542868 has 12 divisors, whose sum is 43266720
The reverse of 18542868 is 86824581
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million five hundred forty-two thousand eight hundred sixty-eight
Scientific notation
1.8542868 × 10^7
Engineering notation
1.8542868 × 10^6
Prime Factorization
2 × 2 × 3 × 1545239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9271434
Product of the distinct prime numbers
The prime factorization of 18542868 is 2 × 2 × 3 × 1545239.
Since it has a total of 4 prime factors.
10 , 9 , 62 , 91 , 403 , 494 , 8600 , 2782 , 63127 , 40085 , 130170 , 946493 , 4959505 , 9451810 , 98751440 , 15875319 , 24327563 , 463148845 , 1762724770 , 7489498288
n×2
37085736
n×3
55628604
n×4
74171472
n×5
92714340
n÷2
9271434
n÷3
6180956
n÷3
4635717
n÷5
3708573.6
n2
343837953665424
n3
6.3757417882081E+21
n4
1.1822453838083E+29
n5
2.1922220095566E+36
2 √n
4306.1430538244
3 √n
264.6827483864
4 √n
65.621208872013
5 √n
28.420739983164
1 , 2 , 3 , 4 , 6 , 12 , 1545239 , 3090478 , 4635717 , 6180956 , 9271434 , 18542868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18542867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18542868 can be divided by 12 positive divisors.
The sum of these divisors (counting 18542868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110101111000100010100
3
Ternary
1021220002000220
4
Quaternary
1012233010110
5
Quinary
14221332433
6
Senary
1501234340
8
Octal
106570424
10
Decimal
18542868
12
Duodecimal
62629b0
16
Hexadecimal
11af114
20
Vigesimal
5fhh38
36
Base36
b1fro
md5
cdad483b029fcca0765ed3c11f14cf19
sha1
ad740fbf5feb7c786eba4fb16b40400fedc6b8a4
sha256
6d99afff01d1c046de074285978b130e0f64a5b7642a16a1661609e1e66815cf
sha512
8e0d947b10ee429281d24a9f55512ca4cca246dfc0d9be457e8fe9049d546ccdc5e0474cf9f58d4f74b6f398f2319e755fcd6963fa1bc9837fcf83d5c5dfbf13
ripemd-160
ef5c18d2afe0a9c92244e655c66212e1e843de25
Diameter
37085736
Circumference
116508275.77057
Area
1.0801987892606E+15
Volume
2.6706644750693E+22
Surface area
4.3207951570426E+15
Circumference
116508275.77057
Perimeter
74171472
Area
343837953665424
Diagonal
26223575.410894
Surface area
2063027721992544
Volume
6.3757417882081E+21
Space diagonal
32117189.494043
Perimeter
55628604
Area
1.4888620132976E+14
Altitude
16058594.747022
Surface area
1.4888620132976E+14
Volume
7.513883755894E+20
Height
8741191.8036314