18808638 is an even 8-digits composite number following 18808637
and preceding 18808639 . In scientific notation, it is written as 1.8808638 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 6269544 positive integers (up to 18808638) that are relatively prime to 18808638.
18808638 has 8 divisors, whose sum is 37617288
The reverse of 18808638 is 83680881
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million eight hundred eight thousand six hundred thirty-eight
Scientific notation
1.8808638 × 10^7
Engineering notation
1.8808638 × 10^6
Prime Factorization
2 × 3 × 3134773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18808638
Product of the distinct prime numbers
The prime factorization of 18808638 is 2 × 3 × 3134773.
Since it has a total of 3 prime factors.
8 , 8 , 23 , 3 , 237 , 552 , 7849 , 1326 , 50830 , 73825 , 53924 , 727687 , 4174755 , 7163499 , 85997460 , 83246670 , 680125866 , 429594798 , 7737498369 , 4246228069
n×2
37617276
n×3
56425914
n×4
75234552
n×5
94043190
n÷2
9404319
n÷3
6269546
n÷3
4702159.5
n÷5
3761727.6
n2
353764863415044
n3
6.653835253093E+21
n4
1.2514957858706E+29
n5
2.3538931194967E+36
2 √n
4336.8926664145
3 √n
265.94129708797
4 √n
65.855088386658
5 √n
28.501746271235
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18808637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18808638 can be divided by 8 positive divisors.
The sum of these divisors (counting 18808638) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111101111111100111110
3
Ternary
1022101120121020
4
Quaternary
1013233330332
5
Quinary
14303334023
6
Senary
1511045010
8
Octal
107577476
10
Decimal
18808638
12
Duodecimal
6370766
16
Hexadecimal
11eff3e
20
Vigesimal
5hb1bi
36
Base36
b74u6
md5
864ccaef57ed60462a2a3def7db4aa0b
sha1
9bdf802a5fe79a429d9bef398eb118bdd8bc9211
sha256
07808e9b9b7d35a2ddbd4ea67b73250540ec6830df4e7f2972cbac6212222b1f
sha512
2fbbd0e9ac99a82ce5bc1d1d609229a2244100de83f1b86eb57a9e64a8faa1c08b73e62289c3a8a43598bf0245a1188c80e26fce2b6deadae248e1aa7841a504
ripemd-160
f2cf5c6b06edb963263914443e4d7f684e3d1e6f
Diameter
37617276
Circumference
118178157.92966
Area
1.1113850960029E+15
Volume
2.7871519932418E+22
Surface area
4.4455403840116E+15
Circumference
118178157.92966
Perimeter
75234552
Area
353764863415044
Diagonal
26599430.949366
Surface area
2122589180490264
Volume
6.653835253093E+21
Space diagonal
32577516.637171
Perimeter
56425914
Area
1.5318467934188E+14
Altitude
16288758.318585
Surface area
1.5318467934188E+14
Volume
7.841620047267E+20
Height
8866476.983122