128673909 is an odd 9-digits composite number following 128673908
and preceding 128673910 . In scientific notation, it is written as 1.28673909 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 64291968 positive integers (up to 128673909) that are relatively prime to 128673909.
128673909 has 16 divisors, whose sum is 185248000
The reverse of 128673909 is 909376821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million six hundred seventy-three thousand nine hundred nine
Scientific notation
1.28673909 × 10^8
Engineering notation
1.28673909 × 10^6
Prime Factorization
399 × 3 × 13 × 8269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128673909
Product of the distinct prime numbers
The prime factorization of 128673909 is 399 × 3 × 13 × 8269.
Since it has a total of 4 prime factors.
1 , 1 , 23 , 37 , 503 , 331 , 3386 , 2827 , 52019 , 20648 , 576978 , 718191 , 9352658 , 2465221 , 94755525 , 42852071 , 979366968 , 827825400 , 8052811504 , 8809805388
n×2
257347818
n×3
386021727
n×4
514695636
n×5
643369545
n÷2
64336954.5
n÷3
42891303
n÷3
32168477.25
n÷5
25734781.8
n2
16556974857340281
n3
2.1304506761087E+24
n4
2.741334164266E+32
n5
3.5273818279135E+40
2 √n
11343.452252291
3 √n
504.85132243791
4 √n
106.50564422739
5 √n
41.86953126451
1 , 3 , 13 , 39 , 399 , 1197 , 5187 , 8269 , 15561 , 24807 , 107497 , 322491 , 3299331 , 9897993 , 42891303 , 128673909
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
-128673908
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 128673909 can be divided by 16 positive divisors.
The sum of these divisors (counting 128673909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010110110100001110101
3
Ternary
22222010022102100
4
Quaternary
13222312201311
5
Quinary
230420031114
6
Senary
20433532313
8
Octal
752664165
10
Decimal
128673909
12
Duodecimal
37114099
16
Hexadecimal
7ab6875
20
Vigesimal
20444f9
36
Base36
24lxf9
md5
96ceaa46da4e36676fc98233e805eaa6
sha1
c12c42d2619e219ae6333e70f35a6aa70dea0db1
sha256
2e63a7b6f7a855d868beb1595cab6d981e870d11686e819a525c78e3099d1591
sha512
cfbb60bef8f734f9d12aa5c8bf826f3cc15b4553569679576b332090117ef6eaef8879870f902912a92eb5eafb957988c2609a6253f143daa7ea717d2facbd99
ripemd-160
fb8b49f75ee04b9db40c2a9ad51af84b3703c7dc
Diameter
257347818
Circumference
808482014.44616
Area
5.2015270577491E+16
Volume
8.9240109238646E+24
Surface area
2.0806108230996E+17
Circumference
808482014.44616
Perimeter
514695636
Area
16556974857340281
Diagonal
181972387.23136
Surface area
99341849144041686
Volume
2.1304506761087E+24
Space diagonal
222869747.99649
Perimeter
386021727
Area
7.1693804181385E+15
Altitude
111434873.99825
Surface area
7.1693804181385E+15
Volume
2.5107602000999E+23
Height
60657462.410454