18943937 is an odd 8-digits prime number following 18943936
and preceding 18943938 . In scientific notation, it is written as 1.8943937 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 18943936 positive integers (up to 18943937) that are relatively prime to 18943937.
18943937 has 2 divisors, whose sum is 18943938
The reverse of 18943937 is 73934981
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 44 Digital Root 8
Name
eighteen million nine hundred forty-three thousand nine hundred thirty-seven
Scientific notation
1.8943937 × 10^7
Engineering notation
1.8943937 × 10^6
Prime Factorization
18943937
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
18943937 Product of the distinct prime numbers
The prime factorization of 18943937 is 18943937.
Since it has a total of 1 prime factors.
9 , 2 , 18 , 33 , 558 , 122 , 2731 , 6867 , 471 , 40192 , 697316 , 950772 , 5292455 , 3365975 , 25448821 , 66011116 , 39285399 , 942424312 , 1878777102 , 148131432
n×2
37887874
n×3
56831811
n×4
75775748
n×5
94719685
n÷2
9471968.5
n÷3
6314645.6666667
n÷3
4735984.25
n÷5
3788787.4
n2
358872749059969
n3
6.7984627492089E+21
n4
1.2878965001786E+29
n5
2.4397830161904E+36
2 √n4352.4633255204
3 √n266.57745262181
4 √n65.973201570944
5 √n28.542633968691
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
18943938 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9471969 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4352.4634403979 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998944253 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18943937 can be divided by 2 positive divisors.
The sum of these divisors (counting 18943937) is 18943938, the average is 9471969.
Base
System
Value
2
Binary
1001000010000111111000001
3
Ternary
1022122110012022
4
Quaternary
1020100333001
5
Quinary
14322201222
6
Senary
1514011225
8
Octal
110207701
10
Decimal
18943937
12
Duodecimal
6416b15
16
Hexadecimal
1210fc1
20
Vigesimal
5i7jgh
36
Base36
ba18h
md5
701d6111a291a79924d82a9c010c54b6
sha1
9a892df41354df0cca10677d4f909d035dc8faf0
sha256
8944d249b5fc9a734fd9704e5c8a097679aefdd78b7933096e22e6edaea2471a
sha512
1c52ece6b8ac54f69085f3c8f2b63765158d32b95382f21566f84f6ba224fa1a985dd326ceaf5faed7331c1d8bbdfbdc053aef2a331627a9cab9d60a94496213
ripemd-160
e8b3db74dbaabd934d2a60081ef835f51cb288eb
Diameter
37887874
Circumference
119028266.61854
Area
1.1274319920204E+15
Volume
2.8477334171491E+22
Surface area
4.5097279680815E+15
Circumference
119028266.61854
Perimeter
75775748
Area
358872749059969
Diagonal
26790772.630141
Surface area
2153236494359814
Volume
6.7984627492089E+21
Space diagonal
32811861.379384
Perimeter
56831811
Area
1.5539645870595E+14
Altitude
16405930.689692
Surface area
1.5539645870595E+14
Volume
8.0120651860162E+20
Height
8930257.5433805