128385270 is an even 9-digits composite number following 128385269
and preceding 128385271 . In scientific notation, it is written as 1.28385270 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 31135104 positive integers (up to 128385270) that are relatively prime to 128385270.
128385270 has 32 divisors, whose sum is 204902400
The reverse of 128385270 is 072583821
Previous prime number is 79
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-eight million three hundred eighty-five thousand two hundred seventy
Scientific notation
1.28385270 × 10^8
Engineering notation
1.28385270 × 10^6
Prime Factorization
2 × 45 × 39 × 79 × 463
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128385270
Product of the distinct prime numbers
The prime factorization of 128385270 is 2 × 45 × 39 × 79 × 463.
Since it has a total of 5 prime factors.
9 , 4 , 86 , 2 , 538 , 821 , 8927 , 5414 , 12395 , 10616 , 93989 , 367711 , 4140074 , 9147899 , 83540034 , 80711241 , 666626188 , 449903618 , 587285408 , 5889372001
n×2
256770540
n×3
385155810
n×4
513541080
n×5
641926350
n÷2
64192635
n÷3
42795090
n÷3
32096317.5
n÷5
25677054
n2
16482777552972900
n3
2.1161458464884E+24
n4
2.7168195586079E+32
n5
3.4879961257315E+40
2 √n
11330.722395329
3 √n
504.4735486876
4 √n
106.44586603212
5 √n
41.85073019124
1 , 2 , 39 , 45 , 78 , 79 , 90 , 158 , 463 , 926 , 1755 , 3081 , 3510 , 3555 , 6162 , 7110 , 18057 , 20835 , 36114 , 36577 , 41670 , 73154 , 138645 , 277290 , 812565 , 1426503 , 1625130 , 1645965 , 2853006 , 3291930 , 64192635 , 128385270
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128385269
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128385270 can be divided by 32 positive divisors.
The sum of these divisors (counting 128385270) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001110000000011110110
3
Ternary
22221120122111000
4
Quaternary
13221300003312
5
Quinary
230331312040
6
Senary
20423424130
8
Octal
751600366
10
Decimal
128385270
12
Duodecimal
36bb5046
16
Hexadecimal
7a700f6
20
Vigesimal
202833a
36
Base36
24fqpi
md5
192a936ae1750a534fe207e0f6a82bf0
sha1
7acd465a0f8bcc1509f62281b198d678269eb114
sha256
b955f155f3ba1cd3099ed58bad9d5a0b5f160bb5d6d0e0d34e3dd0ee10926e6e
sha512
0a89e978ae919b499e4ede9b937f425d80a7e49259afecaaeb5f45dad1cbcbb5a452c4b9fe84cd4539cf086b8d58233a7dab82f88699457bf4af33ea3f5dbb3c
ripemd-160
14d9988da6b0f64e0bef2090c1155e5c39fcb16e
Diameter
256770540
Circumference
806668442.12228
Area
5.1782172871174E+16
Volume
8.8640909936699E+24
Surface area
2.071286914847E+17
Circumference
806668442.12228
Perimeter
513541080
Area
16482777552972900
Diagonal
181564190.04293
Surface area
98896665317837400
Volume
2.1161458464884E+24
Space diagonal
222369810.58345
Perimeter
385155810
Area
7.1372520429012E+15
Altitude
111184905.29172
Surface area
7.1372520429012E+15
Volume
2.4939017967194E+23
Height
60521396.680977