128128569 is an odd 9-digits composite number following 128128568
and preceding 128128570 . In scientific notation, it is written as 1.28128569 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 85419044 positive integers (up to 128128569) that are relatively prime to 128128569.
128128569 has 4 divisors, whose sum is 170838096
The reverse of 128128569 is 965821821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million one hundred twenty-eight thousand five hundred sixty-nine
Scientific notation
1.28128569 × 10^8
Engineering notation
1.28128569 × 10^6
Prime Factorization
3 × 42709523
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128128569
Product of the distinct prime numbers
The prime factorization of 128128569 is 3 × 42709523.
Since it has a total of 2 prime factors.
4 , 2 , 25 , 96 , 232 , 546 , 3599 , 64 , 76439 , 8799 , 190807 , 119608 , 488531 , 1097745 , 24364600 , 6136657 , 888878120 , 66310640 , 4330158102 , 6747957821
n×2
256257138
n×3
384385707
n×4
512514276
n×5
640642845
n÷2
64064284.5
n÷3
42709523
n÷3
32032142.25
n÷5
25625713.8
n2
16416930193987761
n3
2.1034777731285E+24
n4
2.6951559699427E+32
n5
3.4532647766056E+40
2 √n
11319.389073621
3 √n
504.13709973304
4 √n
106.39261757105
5 √n
41.8339810318
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
-128128568
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 128128569 can be divided by 4 positive divisors.
The sum of these divisors (counting 128128569) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000110001011000111001
3
Ternary
22221002121100120
4
Quaternary
13220301120321
5
Quinary
230300103234
6
Senary
20414123453
8
Octal
750613071
10
Decimal
128128569
12
Duodecimal
36ab0589
16
Hexadecimal
7a31639
20
Vigesimal
200g189
36
Base36
24a8mx
md5
ef38e801e8f39647f0286b27f8aed854
sha1
3a04a1a820b7478ab56d93dbd3c33ed83e3dbd2c
sha256
7ecc7d6e8ee37bb08f4107911181b08123da943000e011c9ba803c1b5b7684af
sha512
8961dd4aca0b448ce88fcdd1e92bfced388549ab9b306fa10d117f284026079b24c7738c0c352b617663ac214b20dcf12e375df457a4cc4e05a58686de3e3c9d
ripemd-160
e29edeffcd554e41dbce18642e6e0eb704dc3f17
Diameter
256257138
Circumference
805055542.17075
Area
5.1575307291928E+16
Volume
8.8110270920667E+24
Surface area
2.0630122916771E+17
Circumference
805055542.17075
Perimeter
512514276
Area
16416930193987761
Diagonal
181201160.00726
Surface area
98501581163926566
Volume
2.1034777731285E+24
Space diagonal
221925191.40909
Perimeter
384385707
Area
7.1087393000746E+15
Altitude
110962595.70455
Surface area
7.1087393000746E+15
Volume
2.4789723290906E+23
Height
60400386.669086