138385909 is an odd 9-digits composite number following 138385908
and preceding 138385910 . In scientific notation, it is written as 1.38385909 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 138361216 positive integers (up to 138385909) that are relatively prime to 138385909.
138385909 has 4 divisors, whose sum is 138410604
The reverse of 138385909 is 909583831
Previous prime number is 16097
Is Prime? no Number parity odd Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred thirty-eight million three hundred eighty-five thousand nine hundred nine
Scientific notation
1.38385909 × 10^8
Engineering notation
1.38385909 × 10^6
Prime Factorization
16097 × 8597
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
138385909 Product of the distinct prime numbers
The prime factorization of 138385909 is 16097 × 8597.
Since it has a total of 2 prime factors.
7 , 4 , 23 , 44 , 924 , 45 , 7946 , 8922 , 61497 , 7364 , 143366 , 858804 , 5146550 , 1369775 , 61044136 , 61224809 , 747429346 , 123065239 , 4755148784 , 3234237471
n×2
276771818
n×3
415157727
n×4
553543636
n×5
691929545
n÷2
69192954.5
n÷3
46128636.333333
n÷3
34596477.25
n÷5
27677181.8
n2
19150659809756281
n3
2.6501814657229E+24
n4
3.6674777114901E+32
n5
5.075272368418E+40
2 √n11763.754035171
3 √n517.2461779683
4 √n108.46084102187
5 √n42.483312700123
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-138385908 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138385909 can be divided by 4 positive divisors.
The sum of these divisors (counting 138385909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111111001100111110101
3
Ternary
100122101201210001
4
Quaternary
20033321213311
5
Quinary
240411322114
6
Senary
21422031301
8
Octal
1017714765
10
Decimal
138385909
12
Duodecimal
3a418531
16
Hexadecimal
83f99f5
20
Vigesimal
234i4f9
36
Base36
2ae391
md5
72303847816d450c3f90c954e3408ef2
sha1
937161a8681abe0a012a7c65c4fa2ad43db0fb49
sha256
98392b4a0b46b4b85580792b5dd5465b69c16e63fbef9cc47b3a6523326d4b65
sha512
cfa4ad40ea0d28f4f87b8e317ba78ed8c2b8363a28dd9791fed03f4aff270ff09b48b80df2a96c11d069ddc3f5b5cde6021750722caf956fa2ffa2dde95238d5
ripemd-160
903d819f4e0950ba0040a62ce9b2708cb4323024
Diameter
276771818
Circumference
869504310.14949
Area
6.0163572169728E+16
Volume
1.1101054164526E+25
Surface area
2.4065428867891E+17
Circumference
869504310.14949
Perimeter
553543636
Area
19150659809756281
Diagonal
195707229.34913
Surface area
114903958858537686
Volume
2.6501814657229E+24
Space diagonal
239691425.4396
Perimeter
415157727
Area
8.2924789472413E+15
Altitude
119845712.7198
Surface area
8.2924789472413E+15
Volume
3.1232688096459E+23
Height
65235743.116376