128568265 is an odd 9-digits composite number following 128568264
and preceding 128568266 . In scientific notation, it is written as 1.28568265 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 86284224 positive integers (up to 128568265) that are relatively prime to 128568265.
128568265 has 16 divisors, whose sum is 180076032
The reverse of 128568265 is 562865821
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-eight million five hundred sixty-eight thousand two hundred sixty-five
Scientific notation
1.28568265 × 10^8
Engineering notation
1.28568265 × 10^6
Prime Factorization
5 × 7 × 47 × 78157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128568265
Product of the distinct prime numbers
The prime factorization of 128568265 is 5 × 7 × 47 × 78157.
Since it has a total of 4 prime factors.
9 , 8 , 76 , 32 , 417 , 450 , 6948 , 3883 , 26970 , 38346 , 590252 , 130274 , 9253509 , 2290942 , 43721983 , 23605404 , 301954177 , 938788030 , 8415603967 , 6462065591
n×2
257136530
n×3
385704795
n×4
514273060
n×5
642841325
n÷2
64284132.5
n÷3
42856088.333333
n÷3
32142066.25
n÷5
25713653
n2
16529798765110225
n3
2.1252075480294E+24
n4
2.7323424721504E+32
n5
3.5129253103019E+40
2 √n
11338.794689031
3 √n
504.71312007185
4 √n
106.48377664711
5 √n
41.862653851445
1 , 5 , 7 , 35 , 47 , 235 , 329 , 1645 , 78157 , 390785 , 547099 , 2735495 , 3673379 , 18366895 , 25713653 , 128568265
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
-128568264
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 128568265 can be divided by 16 positive divisors.
The sum of these divisors (counting 128568265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010011100101111001001
3
Ternary
22221220221111121
4
Quaternary
13222130233021
5
Quinary
230403141030
6
Senary
20431355241
8
Octal
752345711
10
Decimal
128568265
12
Duodecimal
37082b21
16
Hexadecimal
7a9cbc9
20
Vigesimal
203b0d5
36
Base36
24jnwp
md5
31e422f23b8330b3748bef1f7cd0958c
sha1
6d49a2e97c7d8a5356b8374459baa52140d9576e
sha256
32136389d88b84e6e5d7b71a9f3553586e4d74414e1edd2a056689bdb39ac59d
sha512
7450a07b5ecff83f960442b2bfefd6991202033e538af19ef2de2807d82fbed22ccae9806f020d044d4229f6cad2f3144161bef3aa23689be16fea4f5f2fdd4a
ripemd-160
01ae24684aba9b6cc91f1e3377a9e8e0e318bb13
Diameter
257136530
Circumference
807818233.61757
Area
5.1929894365788E+16
Volume
8.9020485603235E+24
Surface area
2.0771957746315E+17
Circumference
807818233.61757
Perimeter
514273060
Area
16529798765110225
Diagonal
181822984.05378
Surface area
99178792590661350
Volume
2.1252075480294E+24
Space diagonal
222686767.22098
Perimeter
385704795
Area
7.157612825015E+15
Altitude
111343383.61049
Surface area
7.157612825015E+15
Volume
2.5045811144007E+23
Height
60607661.351259