19938 is an even 5-digits composite number following 19937
and preceding 19939 . In scientific notation, it is written as 1.9938 × 10^4.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 6644 positive integers (up to 19938) that are relatively prime to 19938.
19938 has 8 divisors, whose sum is 39888
The reverse of 19938 is 83991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 5
Sum of Digits 30
Digital Root 3
Name
nineteen thousand nine hundred thirty-eight
Scientific notation
1.9938 × 10^4
Engineering notation
1.9938 × 10^3
Prime Factorization
2 × 3 × 3323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19938
Product of the distinct prime numbers
The prime factorization of 19938 is 2 × 3 × 3323.
Since it has a total of 3 prime factors.
2 , 3 , 90 , 53 , 602 , 886 , 246 , 2763 , 73626 , 23591 , 635578 , 623657 , 2961097 , 9460262 , 5649824 , 51067053 , 50092831 , 7965107 , 7821055045 , 560303376
n×2
39876
n×3
59814
n×4
79752
n×5
99690
n÷2
9969
n÷3
6646
n÷3
4984.5
n÷5
3987.6
n2
397523844
n3
7925830401672
n4
158025206548536336
n5
3.1507065681647E+21
2 √n
141.20198298891
3 √n
27.116098149943
4 √n
11.882844061457
5 √n
7.2432974203694
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
-19937
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 19938 can be divided by 8 positive divisors.
The sum of these divisors (counting 19938) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111100010
3
Ternary
1000100110
4
Quaternary
10313202
5
Quinary
1114223
6
Senary
232150
8
Octal
46742
10
Decimal
19938
12
Duodecimal
b656
16
Hexadecimal
4de2
20
Vigesimal
29gi
36
Base36
fdu
md5
bea274dd9c29a248928ccf211b52750f
sha1
47347f308bb9b64156ad2ea038a1eda91e4eb63f
sha256
c5588b7dae743d4e5dcf5198895144ec5902f410edf10a986a42257620824d9f
sha512
0ba80297c433b92b7d9e9d5d35fb83cfa535749708aec7c4bad6e585053dd9d97510422469d5c1496ba5892376d589f979f2c683079e71bc2f0efa411472a5bc
ripemd-160
6eebe0c16118742e98e511fac164ecdb16710558
Diameter
39876
Circumference
125274.14865455
Area
1248857987.9372
Volume
33199640751322
Surface area
4995431951.7487
Circumference
125274.14865455
Perimeter
79752
Area
397523844
Diagonal
28196.590006595
Surface area
2385143064
Volume
7925830401672
Space diagonal
34533.629001308
Perimeter
59814
Area
172132873.75702
Altitude
17266.814500654
Surface area
172132873.75702
Volume
934068070592.79
Height
9398.8633355316