128220389 is an odd 9-digits composite number following 128220388
and preceding 128220390 . In scientific notation, it is written as 1.28220389 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 116563980 positive integers (up to 128220389) that are relatively prime to 128220389.
128220389 has 4 divisors, whose sum is 139876800
The reverse of 128220389 is 983022821
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million two hundred twenty thousand three hundred eighty-nine
Scientific notation
1.28220389 × 10^8
Engineering notation
1.28220389 × 10^6
Prime Factorization
11 × 11656399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128220389
Product of the distinct prime numbers
The prime factorization of 128220389 is 11 × 11656399.
Since it has a total of 2 prime factors.
4 , 2 , 31 , 57 , 975 , 647 , 1543 , 3204 , 33023 , 92622 , 282470 , 955368 , 5958102 , 755123 , 94604179 , 11605374 , 370209423 , 804386492 , 6857486306 , 2322766758
n×2
256440778
n×3
384661167
n×4
512881556
n×5
641101945
n÷2
64110194.5
n÷3
42740129.666667
n÷3
32055097.25
n÷5
25644077.8
n2
16440468155311321
n3
2.1080032222161E+24
n4
2.7028899316581E+32
n5
3.4656559846138E+40
2 √n
11323.444219848
3 √n
504.25749654951
4 √n
106.4116733251
5 √n
41.839975160298
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
-128220388
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 128220389 can be divided by 4 positive divisors.
The sum of these divisors (counting 128220389) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001000111110011100101
3
Ternary
22221021021022022
4
Quaternary
13221013303211
5
Quinary
230311023024
6
Senary
20420112525
8
Octal
751076345
10
Decimal
128220389
12
Duodecimal
36b35745
16
Hexadecimal
7a47ce5
20
Vigesimal
2017aj9
36
Base36
24c7hh
md5
41bff01d5ee8290864598b7e514e9b3c
sha1
90764d9409eaad1eb4a62ef52ace04ea4f549f97
sha256
e8de5feb1ffd0ca84e84b49e8544a82b07f29dd8cf4382bbfba7d19b085d1de6
sha512
a4c800ed3cb477b3984dbaebce0ee18a8d4d8ee4db131bde4b8aee19de0d447e339df075cff391fd55814d395fb31e08e0ef3ddb7e4a2e2ce95a045e08783499
ripemd-160
83979082ca18a2788024cc54e8325317d91d562c
Diameter
256440778
Circumference
805632464.24565
Area
5.1649253978303E+16
Volume
8.8299832488771E+24
Surface area
2.0659701591321E+17
Circumference
805632464.24565
Perimeter
512881556
Area
16440468155311321
Diagonal
181331013.09655
Surface area
98642808931867926
Volume
2.1080032222161E+24
Space diagonal
222084228.31425
Perimeter
384661167
Area
7.1189315363043E+15
Altitude
111042114.15712
Surface area
7.1189315363043E+15
Volume
2.4843056219869E+23
Height
60443671.032185