18388620 is an even 8-digits composite number following 18388619
and preceding 18388621 . In scientific notation, it is written as 1.8388620 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 4903200 positive integers (up to 18388620) that are relatively prime to 18388620.
18388620 has 24 divisors, whose sum is 43228416
The reverse of 18388620 is 02688381
Previous prime number is 135
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million three hundred eighty-eight thousand six hundred twenty
Scientific notation
1.8388620 × 10^7
Engineering notation
1.8388620 × 10^6
Prime Factorization
2 × 2 × 3 × 135 × 11351
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9194310
Product of the distinct prime numbers
The prime factorization of 18388620 is 2 × 2 × 3 × 135 × 11351.
Since it has a total of 5 prime factors.
5 , 5 , 20 , 72 , 720 , 198 , 3596 , 6786 , 25086 , 42205 , 498331 , 945705 , 6158650 , 3309370 , 72387172 , 69042497 , 296564374 , 560279749 , 9710658113 , 7020376658
n×2
36777240
n×3
55165860
n×4
73554480
n×5
91943100
n÷2
9194310
n÷3
6129540
n÷3
4597155
n÷5
3677724
n2
338141345504400
n3
6.2179527087691E+21
n4
1.1433956953953E+29
n5
2.1025468952259E+36
2 √n
4288.1954246513
3 √n
263.94678679545
4 √n
65.484314340545
5 √n
28.373298538317
1 , 2 , 3 , 4 , 6 , 12 , 135 , 270 , 405 , 540 , 810 , 1620 , 11351 , 22702 , 34053 , 45404 , 68106 , 136212 , 1532385 , 3064770 , 4597155 , 6129540 , 9194310 , 18388620
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
-18388619
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 18388620 can be divided by 24 positive divisors.
The sum of these divisors (counting 18388620) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000110001001011010001100
3
Ternary
1021121020110000
4
Quaternary
1012021122030
5
Quinary
14201413440
6
Senary
1454044300
8
Octal
106113214
10
Decimal
18388620
12
Duodecimal
61a9690
16
Hexadecimal
118968c
20
Vigesimal
5eibb0
36
Base36
ay4r0
md5
f67668d5ac10b4c5a5c39913d52b8be3
sha1
e79691a7803a8b7d746fe3d61d3a090a3f999670
sha256
9a95a48699e712139d10440517ef59525842891081c936e9ef1544738dad2db5
sha512
192a91f63108f1a549bff25eaca7a26319850a8be74455ac7858b0c263fc6a9cd2c34f5ff3be0dea087d64451eea929757a1db04b3c12a000f33bdf0e3b257fd
ripemd-160
612ae3b6996b18075fc176d19467aad3c39e35b0
Diameter
36777240
Circumference
115539107.00331
Area
1.0623023669116E+15
Volume
2.6045699400317E+22
Surface area
4.2492094676464E+15
Circumference
115539107.00331
Perimeter
73554480
Area
338141345504400
Diagonal
26005435.797325
Surface area
2028848073026400
Volume
6.2179527087691E+21
Space diagonal
31850024.121077
Perimeter
55165860
Area
1.4641949763833E+14
Altitude
15925012.060539
Surface area
1.4641949763833E+14
Volume
7.3279275424465E+20
Height
8668478.5991084