18844 is an even 5-digits composite number following 18843
and preceding 18845 . In scientific notation, it is written as 1.8844 × 10^4.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 8064 positive integers (up to 18844) that are relatively prime to 18844.
18844 has 12 divisors, whose sum is 37744
The reverse of 18844 is 44881
Previous prime number is 7
Is Prime? no
Number parity even
Number length 5
Sum of Digits 25
Digital Root 7
Name
eighteen thousand eight hundred forty-four
Scientific notation
1.8844 × 10^4
Engineering notation
1.8844 × 10^3
Prime Factorization
2 × 2 × 7 × 673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9422
Product of the distinct prime numbers
The prime factorization of 18844 is 2 × 2 × 7 × 673.
Since it has a total of 4 prime factors.
1 , 6 , 39 , 1 , 355 , 193 , 4091 , 8631 , 17222 , 76771 , 780215 , 734313 , 5146749 , 5341805 , 74416205 , 85518133 , 22370544 , 826379737 , 8840425564 , 4046551608
n×2
37688
n×3
56532
n×4
75376
n×5
94220
n÷2
9422
n÷3
6281.3333333333
n÷3
4711
n÷5
3768.8
n2
355096336
n3
6691435355584
n4
126093407840624896
n5
2.3761041773487E+21
2 √n
137.27344972718
3 √n
26.610785759231
4 √n
11.716375281083
5 √n
7.1620049875308
1 , 2 , 4 , 7 , 14 , 28 , 673 , 1346 , 2692 , 4711 , 9422 , 18844
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18844 can be divided by 12 positive divisors.
The sum of these divisors (counting 18844) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100100110011100
3
Ternary
221211221
4
Quaternary
10212130
5
Quinary
1100334
6
Senary
223124
8
Octal
44634
10
Decimal
18844
12
Duodecimal
aaa4
16
Hexadecimal
499c
20
Vigesimal
2724
36
Base36
ejg
md5
367afa16af963542400d7e21da891b75
sha1
bd2119f2ef9a927746f2a383e7d7df06d9ec9d2b
sha256
56e653f01a7c4f7346b99a35650f474442600b2ab7119c8e5503c3812f910437
sha512
5926845414e201c464fde70d4cc62a8ffc92cc7248cec969ea79620ed047e4758db0020036309e57e26a1411deeeb1044e3ebd7960c76306175744a9c76e2844
ripemd-160
5132e967c8176fdbd854d7aeb514290030963287
Diameter
37688
Circumference
118400.34392849
Area
1115568040.4943
Volume
28029018873432
Surface area
4462272161.977
Circumference
118400.34392849
Perimeter
75376
Area
355096336
Diagonal
26649.440369359
Surface area
2130578016
Volume
6691435355584
Space diagonal
32638.765417828
Perimeter
56532
Area
153761223.88339
Altitude
16319.382708914
Surface area
153761223.88339
Volume
788593219300.81
Height
8883.1467897862