128315 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand three hundred fifteen

Notation

Scientific notation 1.28315 × 10^5
Engineering notation 1.28315 × 10^3

Prime Factorization of 128315

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.

Most popular turbo-numbers

Basic calculations (n = 128315)

Multiplication

n×y
n×2 256630
n×3 384945
n×4 513260
n×5 641575

Division

n÷y
n÷2 64157.5
n÷3 42771.666666667
n÷3 32078.75
n÷5 25663

Exponentiation

ny
n2 16464739225
n3 2112673013655875
n4 2.7108763774725E+20
n5 3.4784610237539E+25

Nth Root

y√n
2√n 358.21083177369
3√n 50.438149288864
4√n 18.926458511134
5√n 10.511277111553

Divisors of 128315

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 conversion 128315

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

Cryptographic Hash Functions

md5 2b57d5b4293ba668562faef16c872935
sha1 09c5002f3f85409bd3939855e4a17333b9c8b62f
sha256 d0ad841318e59cea10531dbf30c9080027b541750a5c72fb74e2903cff24d129
sha512 3f725d981f5fdfbeef5e7f37cf2760b9d415a5e9a38cd756254d1850f358eda6063a36b0de1bbddc357032d5b0ef07f8279ef35a4804838060eb9f9043afdc8b
ripemd-160 71cc48fb8414af858e4f523d951101aec2372c23

128315 as geometric shapes

Circle

Radius = n
Diameter 256630
Circumference 806226.92269075
Area 51725503792.532

Sphere

Radius = n
Volume 8.8495440255183E+15
Surface area 206902015170.13
Circumference 806226.92269075

Square

Length = n
Perimeter 513260
Area 16464739225
Diagonal 181464.8132559

Cube

Length = n
Surface area 98788435350
Volume 2112673013655875
Space diagonal 222248.0993732

Equilateral Triangle

Length = n
Perimeter 384945
Area 7129441217.7681
Altitude 111124.0496866

Triangular Pyramid

Length = n
Surface area 7129441217.7681
Volume 2.4898090239765E+14
Height 60488.271085301