38389905 is an odd 8-digits composite number following 38389904
and preceding 38389906 . In scientific notation, it is written as 3.8389905 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 19920384 positive integers (up to 38389905) that are relatively prime to 38389905.
38389905 has 16 divisors, whose sum is 52572240
The reverse of 38389905 is 50998383
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-eight million three hundred eighty-nine thousand nine hundred five
Scientific notation
3.8389905 × 10^7
Engineering notation
3.8389905 × 10^6
Prime Factorization
9 × 5 × 37 × 23057
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38389905
Product of the distinct prime numbers
The prime factorization of 38389905 is 9 × 5 × 37 × 23057.
Since it has a total of 4 prime factors.
8 , 1 , 70 , 44 , 160 , 705 , 7171 , 5970 , 52655 , 42641 , 628705 , 821955 , 745471 , 3483094 , 60258229 , 62788532 , 171766169 , 160825874 , 360729604 , 828406505
n×2
76779810
n×3
115169715
n×4
153559620
n×5
191949525
n÷2
19194952.5
n÷3
12796635
n÷3
9597476.25
n÷5
7677981
n2
1473784805909025
n3
5.6578458689291E+22
n4
2.1720416541283E+30
n5
8.3384472758028E+37
2 √n
6195.9587635813
3 √n
337.34349945755
4 √n
78.714412680152
5 √n
32.873307900769
1 , 5 , 9 , 37 , 45 , 185 , 333 , 1665 , 23057 , 115285 , 207513 , 853109 , 1037565 , 4265545 , 7677981 , 38389905
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
-38389904
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 38389905 can be divided by 16 positive divisors.
The sum of these divisors (counting 38389905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010010011100100010010001
3
Ternary
2200020102001100
4
Quaternary
2102130202101
5
Quinary
34311434110
6
Senary
3450455013
8
Octal
222344221
10
Decimal
38389905
12
Duodecimal
10a34469
16
Hexadecimal
249c891
20
Vigesimal
bjief5
36
Base36
mutu9
md5
482f8d98d34cd77c802a4f507c1a285d
sha1
21670537901379088ec03ca0816639288144b491
sha256
566398bce357d9975ea661ef2f44d43b1d79e2b35d3c17367e35ae15a0f77cb8
sha512
8d774dc818c3bc36f2fd0780ad813e266c28d591ae51907786b6c51ab096d2c0ce5ce6ca92b2c9c55b9388f4a4f09699eefbfd18f0496a4204a14b826f79952a
ripemd-160
25cdd327b545d22429aaa760bac45fd57d65b935
Diameter
76779810
Circumference
241210887.04002
Area
4.6300315192161E+15
Volume
2.3699529355961E+23
Surface area
1.8520126076864E+16
Circumference
241210887.04002
Perimeter
153559620
Area
1473784805909025
Diagonal
54291524.309215
Surface area
8842708835454150
Volume
5.6578458689291E+22
Space diagonal
66493265.957742
Perimeter
115169715
Area
6.3816754081437E+14
Altitude
33246632.978871
Surface area
6.3816754081437E+14
Volume
6.6678353013801E+21
Height
18097174.769738