18842938 is an even 8-digits composite number following 18842937
and preceding 18842939 . In scientific notation, it is written as 1.8842938 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 9421468 positive integers (up to 18842938) that are relatively prime to 18842938.
18842938 has 4 divisors, whose sum is 28264410
The reverse of 18842938 is 83924881
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million eight hundred forty-two thousand nine hundred thirty-eight
Scientific notation
1.8842938 × 10^7
Engineering notation
1.8842938 × 10^6
Prime Factorization
2 × 9421469
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18842938
Product of the distinct prime numbers
The prime factorization of 18842938 is 2 × 9421469.
Since it has a total of 2 prime factors.
8 , 5 , 39 , 27 , 132 , 464 , 37 , 9785 , 49271 , 27692 , 580049 , 232864 , 6128181 , 1520405 , 84191777 , 66799904 , 985909371 , 53171656 , 9762246573 , 8451769335
n×2
37685876
n×3
56528814
n×4
75371752
n×5
94214690
n÷2
9421469
n÷3
6280979.3333333
n÷3
4710734.5
n÷5
3768587.6
n2
355056312471844
n3
6.6903040824156E+21
n4
1.260649850261E+29
n5
2.3754346968178E+36
2 √n
4340.8453093839
3 √n
266.10285844397
4 √n
65.885091708093
5 √n
28.512134025594
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18842937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18842938 can be divided by 4 positive divisors.
The sum of these divisors (counting 18842938) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111111000010100111010
3
Ternary
1022110022122121
4
Quaternary
1013320110322
5
Quinary
14310433223
6
Senary
1511511454
8
Octal
107702472
10
Decimal
18842938
12
Duodecimal
638858a
16
Hexadecimal
11f853a
20
Vigesimal
5hf76i
36
Base36
b7vay
md5
0518b92b73f880d2d01d603885911933
sha1
27349608e96bd90aa4c16c6e5b9ff484b8e0bda4
sha256
9ccc1b2dc0097b3cd609a4fa10296264c38c9e208cddde25c34c4066ba3ec75f
sha512
9e5e8a8d3ed20f6a774cdc759afdc3dcae1105ed84aaa737817044cea05247cf068d032b96328bd1c96fd55ab360ff1c2ea3eb44f034b34df14ead01a6d40002
ripemd-160
f11b958f77afc77765e81dd80f4d425673854de6
Diameter
37685876
Circumference
118393671.1857
Area
1.1154423028722E+15
Volume
2.8024280207465E+22
Surface area
4.4617692114889E+15
Circumference
118393671.1857
Perimeter
75371752
Area
355056312471844
Diagonal
26647938.474555
Surface area
2130337874831064
Volume
6.6903040824156E+21
Space diagonal
32636925.97987
Perimeter
56528814
Area
1.5374389318732E+14
Altitude
16318462.989935
Surface area
1.5374389318732E+14
Volume
7.8845989747935E+20
Height
8882646.1581851