128315 is an odd 6-digits composite number following 128314
and preceding 128316 . In scientific notation, it is written as 1.28315 × 10^5.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 93280 positive integers (up to 128315) that are relatively prime to 128315.
128315 has 4 divisors, whose sum is 130704
The reverse of 128315 is 513821
Previous prime number is 55
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2
Name
one hundred twenty-eight thousand three hundred fifteen
Scientific notation
1.28315 × 10^5
Engineering notation
1.28315 × 10^3
Prime Factorization
55 × 2333
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128315
Product of the distinct prime numbers
The prime factorization of 128315 is 55 × 2333.
Since it has a total of 2 prime factors.
3 , 5 , 87 , 52 , 420 , 501 , 8819 , 9844 , 68803 , 58273 , 368738 , 833071 , 9123088 , 9894574 , 78529904 , 20127473 , 607627331 , 984693010 , 8349003201 , 6497491102
n×2
256630
n×3
384945
n×4
513260
n×5
641575
n÷2
64157.5
n÷3
42771.666666667
n÷3
32078.75
n÷5
25663
n2
16464739225
n3
2112673013655875
n4
2.7108763774725E+20
n5
3.4784610237539E+25
2 √n
358.21083177369
3 √n
50.438149288864
4 √n
18.926458511134
5 √n
10.511277111553
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
-128314
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 128315 can be divided by 4 positive divisors.
The sum of these divisors (counting 128315) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111010100111011
3
Ternary
20112000102
4
Quaternary
133110323
5
Quinary
13101230
6
Senary
2430015
8
Octal
372473
10
Decimal
128315
12
Duodecimal
6230b
16
Hexadecimal
1f53b
20
Vigesimal
g0ff
36
Base36
2r0b
md5
2b57d5b4293ba668562faef16c872935
sha1
09c5002f3f85409bd3939855e4a17333b9c8b62f
sha256
d0ad841318e59cea10531dbf30c9080027b541750a5c72fb74e2903cff24d129
sha512
3f725d981f5fdfbeef5e7f37cf2760b9d415a5e9a38cd756254d1850f358eda6063a36b0de1bbddc357032d5b0ef07f8279ef35a4804838060eb9f9043afdc8b
ripemd-160
71cc48fb8414af858e4f523d951101aec2372c23
Diameter
256630
Circumference
806226.92269075
Area
51725503792.532
Volume
8.8495440255183E+15
Surface area
206902015170.13
Circumference
806226.92269075
Perimeter
513260
Area
16464739225
Diagonal
181464.8132559
Surface area
98788435350
Volume
2112673013655875
Space diagonal
222248.0993732
Perimeter
384945
Area
7129441217.7681
Altitude
111124.0496866
Surface area
7129441217.7681
Volume
2.4898090239765E+14
Height
60488.271085301