19944 is an even 5-digits composite number following 19943
and preceding 19945 . In scientific notation, it is written as 1.9944 × 10^4.
The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors.
There are 6624 positive integers (up to 19944) that are relatively prime to 19944.
19944 has 24 divisors, whose sum is 54210
The reverse of 19944 is 44991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 5
Sum of Digits 27
Digital Root 9
Name
nineteen thousand nine hundred forty-four
Scientific notation
1.9944 × 10^4
Engineering notation
1.9944 × 10^3
Prime Factorization
2 × 2 × 2 × 3 × 3 × 277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1662
Product of the distinct prime numbers
The prime factorization of 19944 is 2 × 2 × 2 × 3 × 3 × 277.
Since it has a total of 6 prime factors.
7 , 1 , 2 , 43 , 568 , 462 , 1760 , 5413 , 78856 , 28915 , 894520 , 210729 , 2795483 , 4820143 , 90306063 , 39924196 , 557058366 , 780158114 , 7351655889 , 7802752901
n×2
39888
n×3
59832
n×4
79776
n×5
99720
n÷2
9972
n÷3
6648
n÷3
4986
n÷5
3988.8
n2
397763136
n3
7932987984384
n4
158215512360554496
n5
3.1554501785189E+21
2 √n
141.22322755128
3 √n
27.118817919083
4 √n
11.883737945246
5 √n
7.2437333171903
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 36 , 72 , 277 , 554 , 831 , 1108 , 1662 , 2216 , 2493 , 3324 , 4986 , 6648 , 9972 , 19944
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19944 can be divided by 24 positive divisors.
The sum of these divisors (counting 19944) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111101000
3
Ternary
1000100200
4
Quaternary
10313220
5
Quinary
1114234
6
Senary
232200
8
Octal
46750
10
Decimal
19944
12
Duodecimal
b660
16
Hexadecimal
4de8
20
Vigesimal
29h4
36
Base36
fe0
md5
9b27d5c85dde3d0bde3b1c8b5d10362b
sha1
b7bebf0e9fd097183cbbcb027edcb2bd7b01eed0
sha256
fd118dbad7903f3f5602c05fce9a55e73b83b16418a6100833e617ac18699ae8
sha512
be49089d7d978cee4ce8fc0a625317966be348e788a366ee335ce4737043f14513b11d042a36da06974c5ef95b828a73ba4bda3040bb99b8ab5dd06c7a271340
ripemd-160
985a227278aaec07d9f8d99bbc6e7d955c286edd
Diameter
39888
Circumference
125311.84776639
Area
1249609745.9264
Volume
33229622363676
Surface area
4998438983.7058
Circumference
125311.84776639
Perimeter
79776
Area
397763136
Diagonal
28205.075287969
Surface area
2386578816
Volume
7932987984384
Space diagonal
34544.021306154
Perimeter
59832
Area
172236490.23248
Altitude
17272.010653077
Surface area
172236490.23248
Volume
934911599804.89
Height
9401.6917626563