128439165 is an odd 9-digits composite number following 128439164
and preceding 128439166 . In scientific notation, it is written as 1.28439165 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 63371264 positive integers (up to 128439165) that are relatively prime to 128439165.
128439165 has 8 divisors, whose sum is 131143680
The reverse of 128439165 is 561934821
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million four hundred thirty-nine thousand one hundred sixty-five
Scientific notation
1.28439165 × 10^8
Engineering notation
1.28439165 × 10^6
Prime Factorization
255 × 59 × 8537
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128439165
Product of the distinct prime numbers
The prime factorization of 128439165 is 255 × 59 × 8537.
Since it has a total of 3 prime factors.
9 , 2 , 27 , 54 , 949 , 441 , 1013 , 9484 , 51089 , 62212 , 494268 , 983469 , 2948056 , 7275623 , 9106759 , 83717282 , 50325392 , 699238501 , 4050374095 , 4336008614
n×2
256878330
n×3
385317495
n×4
513756660
n×5
642195825
n÷2
64219582.5
n÷3
42813055
n÷3
32109791.25
n÷5
25687833
n2
16496619105897225
n3
2.1188119832845E+24
n4
2.7213844192505E+32
n5
3.4953234245255E+40
2 √n
11333.100414273
3 √n
504.54412998892
4 √n
106.45703553206
5 √n
41.854243314601
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
-128439164
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 128439165 can be divided by 8 positive divisors.
The sum of these divisors (counting 128439165) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001111101001101111101
3
Ternary
22221200101102010
4
Quaternary
13221331031331
5
Quinary
230340023130
6
Senary
20424521433
8
Octal
751751575
10
Decimal
128439165
12
Duodecimal
37020279
16
Hexadecimal
7a7d37d
20
Vigesimal
202ehi5
36
Base36
24gwal
md5
545f650b41c9a7e2732d515cef1dff6f
sha1
9b0874df69567354e694269bae02d3d2c73bfbd6
sha256
c9cc3adbcedee343af71d2af87db5fc32e08b52c7457bd0050ce384e5a610c90
sha512
c7b53cae50afdefad0fe0dca9bf93baf0c5a737dc7756898705f151f50ecdd76dab37bcb152065f0c206c45387b803922dc5efc579afe4504b18952829620482
ripemd-160
21c56a37c601323eeba71cf2c09ac21a9fc09926
Diameter
256878330
Circumference
807007074.39441
Area
5.1825657392156E+16
Volume
8.8752588813661E+24
Surface area
2.0730262956862E+17
Circumference
807007074.39441
Perimeter
513756660
Area
16496619105897225
Diagonal
181640409.08288
Surface area
98979714635383350
Volume
2.1188119832845E+24
Space diagonal
222463159.46172
Perimeter
385317495
Area
7.1432456111314E+15
Altitude
111231579.73086
Surface area
7.1432456111314E+15
Volume
2.4970438690663E+23
Height
60546803.027625