19943 is an odd 5-digits composite number following 19942
and preceding 19944 . In scientific notation, it is written as 1.9943 × 10^4.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 15120 positive integers (up to 19943) that are relatively prime to 19943.
19943 has 8 divisors, whose sum is 22800
The reverse of 19943 is 34991
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 26
Digital Root 8
Name
nineteen thousand nine hundred forty-three
Scientific notation
1.9943 × 10^4
Engineering notation
1.9943 × 10^3
Prime Factorization
11 × 49 × 37
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19943
Product of the distinct prime numbers
The prime factorization of 19943 is 11 × 49 × 37.
Since it has a total of 3 prime factors.
2 , 6 , 65 , 84 , 168 , 565 , 3826 , 1502 , 68583 , 95798 , 905807 , 581959 , 8578310 , 3836077 , 26859539 , 48839290 , 192305813 , 120977079 , 5607564772 , 8718576574
n×2
39886
n×3
59829
n×4
79772
n×5
99715
n÷2
9971.5
n÷3
6647.6666666667
n÷3
4985.75
n÷5
3988.6
n2
397723249
n3
7931794754807
n4
158183782795116001
n5
3.154659180283E+21
2 √n
141.21968701282
3 √n
27.118364662111
4 √n
11.883588978622
5 √n
7.2436606750062
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
-19942
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 19943 can be divided by 8 positive divisors.
The sum of these divisors (counting 19943) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111100111
3
Ternary
1000100122
4
Quaternary
10313213
5
Quinary
1114233
6
Senary
232155
8
Octal
46747
10
Decimal
19943
12
Duodecimal
b65b
16
Hexadecimal
4de7
20
Vigesimal
29h3
36
Base36
fdz
md5
e538c7147880a157de9440755f660fd4
sha1
292cf8a28203e31aa8f6713010df366af1474c26
sha256
fcaa9748e3cb84cd76fc70662ef3002963777f8b30fd95f979c0207b53375024
sha512
59ebaa6e792c1994d1d65666a25d0398f238075862ebf54ff31eea26696837a2098f6136aa320307b190e0404cca83289300fe83589773688e7f8a5259e6a4fa
ripemd-160
28a57814c73115bfc57da7b90b2a8b46eb687ca4
Diameter
39886
Circumference
125305.56458108
Area
1249484437.2203
Volume
33224624175312
Surface area
4997937748.8811
Circumference
125305.56458108
Perimeter
79772
Area
397723249
Diagonal
28203.661074407
Surface area
2386339494
Volume
7931794754807
Space diagonal
34542.289255346
Perimeter
59829
Area
172219218.65484
Altitude
17271.144627673
Surface area
172219218.65484
Volume
934770976350.65
Height
9401.2203581355