18444940 is an even 8-digits composite number following 18444939
and preceding 18444941 . In scientific notation, it is written as 1.8444940 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 7377968 positive integers (up to 18444940) that are relatively prime to 18444940.
18444940 has 12 divisors, whose sum is 38734416
The reverse of 18444940 is 04944481
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million four hundred forty-four thousand nine hundred forty
Scientific notation
1.8444940 × 10^7
Engineering notation
1.8444940 × 10^6
Prime Factorization
2 × 2 × 5 × 922247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9222470
Product of the distinct prime numbers
The prime factorization of 18444940 is 2 × 2 × 5 × 922247.
Since it has a total of 4 prime factors.
3 , 10 , 23 , 22 , 113 , 530 , 3015 , 5666 , 8404 , 7303 , 398795 , 995378 , 3322037 , 985624 , 92879311 , 51738176 , 115454037 , 499869596 , 9284811343 , 9415431865
n×2
36889880
n×3
55334820
n×4
73779760
n×5
92224700
n÷2
9222470
n÷3
6148313.3333333
n÷3
4611235
n÷5
3688988
n2
340215811603600
n3
6.2752602320797E+21
n4
1.157467984651E+29
n5
2.1349427528808E+36
2 √n
4294.7572690433
3 √n
264.21598104558
4 √n
65.534397601895
5 √n
28.390657427285
1 , 2 , 4 , 5 , 10 , 20 , 922247 , 1844494 , 3688988 , 4611235 , 9222470 , 18444940
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
-18444939
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 18444940 can be divided by 12 positive divisors.
The sum of these divisors (counting 18444940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110010111001010001100
3
Ternary
1021201002200221
4
Quaternary
1012113022030
5
Quinary
14210214230
6
Senary
1455201124
8
Octal
106271214
10
Decimal
18444940
12
Duodecimal
62161a4
16
Hexadecimal
119728c
20
Vigesimal
5f5c70
36
Base36
azc7g
md5
a9f809b23bfd84237f5344ea5d2219e3
sha1
5fceaafc08b5e900418b00e1bad4cdc6d5081aa6
sha256
ee9042d4ab3962897563eb9bc3c67cef0e097f838eeec832a5503083f8f76bf8
sha512
f1cf4e4ba8513956b907cc722e6c0524b14c056997be2e955ac7c332c46c740074fe7a0fb903d2e087fef6ef7efa7dc887ced440049b08d9bc0963b8d662e391
ripemd-160
df9da8861e6307bed4fddb2aaa41298bddf9271f
Diameter
36889880
Circumference
115892975.99981
Area
1.068819494369E+15
Volume
2.6285748592621E+22
Surface area
4.2752779774758E+15
Circumference
115892975.99981
Perimeter
73779760
Area
340215811603600
Diagonal
26085084.305158
Surface area
2041294869621600
Volume
6.2752602320797E+21
Space diagonal
31947573.222559
Perimeter
55334820
Area
1.4731776780893E+14
Altitude
15973786.61128
Surface area
1.4731776780893E+14
Volume
7.3954651063564E+20
Height
8695028.1017193