18388340 is an even 8-digits composite number following 18388339
and preceding 18388341 . In scientific notation, it is written as 1.8388340 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 7355328 positive integers (up to 18388340) that are relatively prime to 18388340.
18388340 has 12 divisors, whose sum is 38615556
The reverse of 18388340 is 04388381
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million three hundred eighty-eight thousand three hundred forty
Scientific notation
1.8388340 × 10^7
Engineering notation
1.8388340 × 10^6
Prime Factorization
2 × 2 × 5 × 919417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9194170
Product of the distinct prime numbers
The prime factorization of 18388340 is 2 × 2 × 5 × 919417.
Since it has a total of 4 prime factors.
5 , 5 , 32 , 56 , 820 , 675 , 259 , 6980 , 40593 , 67211 , 39897 , 988388 , 7048801 , 3007894 , 1567788 , 41831645 , 378144235 , 496712541 , 9087393692 , 6895873964
n×2
36776680
n×3
55165020
n×4
73553360
n×5
91941700
n÷2
9194170
n÷3
6129446.6666667
n÷3
4597085
n÷5
3677668
n2
338131047955600
n3
6.2176686743639E+21
n4
1.1433260559155E+29
n5
2.1023868247034E+36
2 √n
4288.1627767612
3 √n
263.94544709957
4 √n
65.484065059838
5 √n
28.373212130832
1 , 2 , 4 , 5 , 10 , 20 , 919417 , 1838834 , 3677668 , 4597085 , 9194170 , 18388340
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
-18388339
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 18388340 can be divided by 12 positive divisors.
The sum of these divisors (counting 18388340) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110001001010101110100
3
Ternary
1021121020001122
4
Quaternary
1012021111310
5
Quinary
14201411330
6
Senary
1454043112
8
Octal
106112564
10
Decimal
18388340
12
Duodecimal
61a9498
16
Hexadecimal
1189574
20
Vigesimal
5eiah0
36
Base36
ay4j8
md5
78887904e39dd873d35a187258a03309
sha1
294888028c5d9093b086b67c5636c179bc507468
sha256
a313c21c2d29837ec513e27e8912300edfdc9ec04089897da1b9ba874e76e823
sha512
7210673f444beb6d67a0747a53e3a2f7d3c91e3b54f35dae071595f992417b8e603576cab6fe6a2dc50d3a90f4254b0919fbca5e2a90718ec5fd2724a3a49adc
ripemd-160
8bd4ecc4f95b8ce311df3e7155c0c2d7dda7fccf
Diameter
36776680
Circumference
115537347.71142
Area
1.0622700162079E+15
Volume
2.6044509639783E+22
Surface area
4.2490800648317E+15
Circumference
115537347.71142
Perimeter
73553360
Area
338131047955600
Diagonal
26005039.817528
Surface area
2028786287733600
Volume
6.2176686743639E+21
Space diagonal
31849539.146851
Perimeter
55165020
Area
1.464150386689E+14
Altitude
15924769.573426
Surface area
1.464150386689E+14
Volume
7.3275928046898E+20
Height
8668346.6058426