18542642 is an even 8-digits composite number following 18542641
and preceding 18542643 . In scientific notation, it is written as 1.8542642 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 9212112 positive integers (up to 18542642) that are relatively prime to 18542642.
18542642 has 8 divisors, whose sum is 27991596
The reverse of 18542642 is 24624581
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighteen million five hundred forty-two thousand six hundred forty-two
Scientific notation
1.8542642 × 10^7
Engineering notation
1.8542642 × 10^6
Prime Factorization
2 × 157 × 59053
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18542642
Product of the distinct prime numbers
The prime factorization of 18542642 is 2 × 157 × 59053.
Since it has a total of 3 prime factors.
1 , 4 , 9 , 3 , 423 , 103 , 3225 , 6694 , 33539 , 18771 , 960401 , 373493 , 5724815 , 9103179 , 11926331 , 34769046 , 839080834 , 5723031 , 2039250932 , 9458980216
n×2
37085284
n×3
55627926
n×4
74170568
n×5
92713210
n÷2
9271321
n÷3
6180880.6666667
n÷3
4635660.5
n÷5
3708528.4
n2
343829572340164
n3
6.3755086689168E+21
n4
1.1821877481562E+29
n5
2.1920884190847E+36
2 √n
4306.1168121638
3 √n
264.68167306651
4 √n
65.621008923696
5 √n
28.420670704576
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18542641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18542642 can be divided by 8 positive divisors.
The sum of these divisors (counting 18542642) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110101111000000110010
3
Ternary
1021220001201112
4
Quaternary
1012233000302
5
Quinary
14221331032
6
Senary
1501233322
8
Octal
106570062
10
Decimal
18542642
12
Duodecimal
6262842
16
Hexadecimal
11af032
20
Vigesimal
5fhgc2
36
Base36
b1fle
md5
d1034bb5110d976b14dd197e4e8b5d6d
sha1
c4bfb764d7bff1ff328cd81f1b45de3e32440e65
sha256
3c9831b430bfcd4333c2509357d59560d8f22ddf189ba364235cc995341a148c
sha512
84480f95c486f6c9d5046c42a42e5d3827ec0dff1c35a9e4187fbb0cffb566f090443fc8c1f23c07a98a7a804d423ccd608fafd9e48b430d72d4839c9d14a6fc
ripemd-160
5d8a71de564f42f449c7abde9af1c17fda09c830
Diameter
37085284
Circumference
116506855.77069
Area
1.0801724585508E+15
Volume
2.6705668262889E+22
Surface area
4.3206898342031E+15
Circumference
116506855.77069
Perimeter
74170568
Area
343829572340164
Diagonal
26223255.798629
Surface area
2062977434040984
Volume
6.3755086689168E+21
Space diagonal
32116798.050561
Perimeter
55627926
Area
1.4888257210946E+14
Altitude
16058399.02528
Surface area
1.4888257210946E+14
Volume
7.5136090221744E+20
Height
8741085.2662097