128520309 (number)

128520309 is an odd 9-digits composite number following 128520308 and preceding 128520310. In scientific notation, it is written as 1.28520309 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 85680204 positive integers (up to 128520309) that are relatively prime to 128520309.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty thousand three hundred nine

Notation

Scientific notation 1.28520309 × 10^8
Engineering notation 1.28520309 × 10^6

Prime Factorization of 128520309

Prime Factorization 3 × 42840103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128520309
Product of the distinct prime numbers

The prime factorization of 128520309 is 3 × 42840103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128520309)

Multiplication

n×y
n×2 257040618
n×3 385560927
n×4 514081236
n×5 642601545

Division

n÷y
n÷2 64260154.5
n÷3 42840103
n÷3 32130077.25
n÷5 25704061.8

Exponentiation

ny
n2 16517469825455481
n3 2.1228303258657E+24
n4 2.7282680943483E+32
n5 3.5063785852049E+40

Nth Root

y√n
2√n 11336.679804952
3√n 504.65035955476
4√n 106.47384563803
5√n 41.859530428999

Divisors of 128520309

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 -128520308
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 128520309 can be divided by 4 positive divisors. The sum of these divisors (counting 128520309) is 1, the average is 0.25.

Base conversion 128520309

Base System Value
2 Binary 111101010010001000001110101
3 Ternary 22221211111201110
4 Quaternary 13222101001311
5 Quinary 230400122214
6 Senary 20430345233
8 Octal 752210165
10 Decimal 128520309
12 Duodecimal 3705b219
16 Hexadecimal 7a91075
20 Vigesimal 20350f9
36 Base36 24imwl

Cryptographic Hash Functions

md5 dc8fc2b6ecaf992837c7d3af107c3df7
sha1 d753e28be81912fd35c0d3634dd3fb66b5a39d10
sha256 2f6beb146fed486e51e16b3a6c1ea0de274fe6e7c5133b74e62a402d7c4ace97
sha512 fba795de976110180a27b1e2f69fbb415fe4ace53f88f1ab0eda0d9e09b3750089ea451b1b46182c177de8b937eaf96d87a9e340adf0145f5e268013fd2f249d
ripemd-160 173ef3fb75f2c2fa2ded5979338c05b730c156d0

128520309 as geometric shapes

Circle

Radius = n
Diameter 257040618
Circumference 807516917.18298
Area 5.1891161859542E+16

Sphere

Radius = n
Volume 8.8920908754098E+24
Surface area 2.0756464743817E+17
Circumference 807516917.18298

Square

Length = n
Perimeter 514081236
Area 16517469825455481
Diagonal 181755164.02818

Cube

Length = n
Surface area 99104818952732886
Volume 2.1228303258657E+24
Space diagonal 222603704.99245

Equilateral Triangle

Length = n
Perimeter 385560927
Area 7.1522742375437E+15
Altitude 111301852.49623

Triangular Pyramid

Length = n
Surface area 7.1522742375437E+15
Volume 2.5017795312135E+23
Height 60585054.67606