128565765 is an odd 9-digits composite number following 128565764
and preceding 128565766 . In scientific notation, it is written as 1.28565765 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 68397120 positive integers (up to 128565765) that are relatively prime to 128565765.
128565765 has 16 divisors, whose sum is 160392960
The reverse of 128565765 is 567565821
Previous prime number is 509
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million five hundred sixty-five thousand seven hundred sixty-five
Scientific notation
1.28565765 × 10^8
Engineering notation
1.28565765 × 10^6
Prime Factorization
5 × 27 × 509 × 1871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128565765
Product of the distinct prime numbers
The prime factorization of 128565765 is 5 × 27 × 509 × 1871.
Since it has a total of 4 prime factors.
6 , 9 , 61 , 51 , 902 , 584 , 4381 , 9733 , 99968 , 99416 , 457893 , 212259 , 4273285 , 6229535 , 62759072 , 52692167 , 53265654 , 301068372 , 3997375013 , 7503367642
n×2
257131530
n×3
385697295
n×4
514263060
n×5
642828825
n÷2
64282882.5
n÷3
42855255
n÷3
32141441.25
n÷5
25713153
n2
16529155930035225
n3
2.1250835769493E+24
n4
2.7321299575942E+32
n5
3.5125837807751E+40
2 √n
11338.684447501
3 √n
504.70984868141
4 √n
106.48325900113
5 √n
41.862491046964
1 , 5 , 27 , 135 , 509 , 1871 , 2545 , 9355 , 13743 , 50517 , 68715 , 252585 , 952339 , 4761695 , 25713153 , 128565765
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
-128565764
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 128565765 can be divided by 16 positive divisors.
The sum of these divisors (counting 128565765) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010011100001000000101
3
Ternary
22221220211002000
4
Quaternary
13222130020011
5
Quinary
230403101030
6
Senary
20431335513
8
Octal
752341005
10
Decimal
128565765
12
Duodecimal
37081599
16
Hexadecimal
7a9c205
20
Vigesimal
203ae85
36
Base36
24jlz9
md5
d1fcf9d2d27c8c650f66c27b5218fe7c
sha1
0466990d4982dcef4fde65ec317c687a43ddf7e1
sha256
b3e979e0d2a3f5843a6c5f57fd22171f7099d23dede2acedda09b8691e838fc2
sha512
b900025e0c0885806227495038da8fbd8cd659c28d537986fafae0ca42125f112fb9565c1b0bfa1954c380d40c5bfc933471949103382c98234aee0439fb7ba1
ripemd-160
b6f67cca9700c26329ad12836042e1e04c76efd1
Diameter
257131530
Circumference
807802525.6543
Area
5.1927874839839E+16
Volume
8.9015292714775E+24
Surface area
2.0771149935936E+17
Circumference
807802525.6543
Perimeter
514263060
Area
16529155930035225
Diagonal
181819448.51987
Surface area
99174935580211350
Volume
2.1250835769493E+24
Space diagonal
222682437.09396
Perimeter
385697295
Area
7.1573344692624E+15
Altitude
111341218.54698
Surface area
7.1573344692624E+15
Volume
2.5044350130816E+23
Height
60606482.839957