381818118 is an even 9-digits composite number following 381818117
and preceding 381818119 . In scientific notation, it is written as 3.81818118 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 111712160 positive integers (up to 381818118) that are relatively prime to 381818118.
381818118 has 16 divisors, whose sum is 631977984
The reverse of 381818118 is 811818183
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
three hundred eighty-one million eight hundred eighteen thousand one hundred eighteen
Scientific notation
3.81818118 × 10^8
Engineering notation
3.81818118 × 10^6
Prime Factorization
2 × 87 × 11 × 199487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
381818118
Product of the distinct prime numbers
The prime factorization of 381818118 is 2 × 87 × 11 × 199487.
Since it has a total of 4 prime factors.
9 , 7 , 4 , 73 , 411 , 168 , 2240 , 8900 , 6712 , 26219 , 353384 , 990612 , 8493474 , 8559952 , 48466639 , 94296120 , 585401599 , 336132516 , 88424463 , 1731188986
n×2
763636236
n×3
1145454354
n×4
1527272472
n×5
1909090590
n÷2
190909059
n÷3
127272706
n÷3
95454529.5
n÷5
76363623.6
n2
145785075233061924
n3
5.5663383057976E+25
n4
2.125328816071E+34
n5
8.1148904868338E+42
2 √n
19540.166785368
3 √n
725.46897473371
4 √n
139.78614661463
5 √n
52.044076495247
1 , 2 , 11 , 22 , 87 , 174 , 957 , 1914 , 199487 , 398974 , 2194357 , 4388714 , 17355369 , 34710738 , 190909059 , 381818118
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-381818117
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 381818118 can be divided by 16 positive divisors.
The sum of these divisors (counting 381818118) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10110110000100001010100000110
3
Ternary
222121110100222210
4
Quaternary
112300201110012
5
Quinary
1240221134433
6
Senary
101515404250
8
Octal
2660412406
10
Decimal
381818118
12
Duodecimal
a7a53686
16
Hexadecimal
16c21506
20
Vigesimal
5j6755i
36
Base36
6bboqu
md5
5493fb1cb713439795d64c34416736b9
sha1
ec8048526c247c3bde37b0ca491b6004c8cde5dc
sha256
ca500bf8c421d5d9d12a8a3d8bf51eebffd9f1248085ce7eabbe56d6893140d7
sha512
6f368640ae6b5a63e40152cb888c8146646d0604768c7a7dd88db6e5acff9784efc20e41193bee4162273e873a3c60bb60a3ae600e75788a4610bb286330edaa
ripemd-160
ca383f97f288bffafe080c4b6b9aac4ecf790780
Diameter
763636236
Circumference
2399033989.0326
Area
4.5799732135522E+17
Volume
2.3316223371852E+26
Surface area
1.8319892854209E+18
Circumference
2399033989.0326
Perimeter
1527272472
Area
145785075233061924
Diagonal
539972360.83537
Surface area
874710451398371544
Volume
5.5663383057976E+25
Space diagonal
661328379.62633
Perimeter
1145454354
Area
6.3126789322229E+16
Altitude
330664189.81316
Surface area
6.3126789322229E+16
Volume
6.5599926040132E+24
Height
179990786.94512