128575280 (number)

128575280 is an even 9-digits composite number following 128575279 and preceding 128575281. In scientific notation, it is written as 1.28575280 × 10^8. The sum of its digits is 38. It has a total of 7 prime factors and 40 positive divisors. There are 48722688 positive integers (up to 128575280) that are relatively prime to 128575280.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred seventy-five thousand two hundred eighty

Notation

Scientific notation 1.28575280 × 10^8
Engineering notation 1.28575280 × 10^6

Prime Factorization of 128575280

Prime Factorization 2 × 2 × 2 × 2 × 5 × 19 × 84589

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16071910
Product of the distinct prime numbers

The prime factorization of 128575280 is 2 × 2 × 2 × 2 × 5 × 19 × 84589. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128575280)

Multiplication

n×y
n×2 257150560
n×3 385725840
n×4 514301120
n×5 642876400

Division

n÷y
n÷2 64287640
n÷3 42858426.666667
n÷3 32143820
n÷5 25715056

Exponentiation

ny
n2 16531602627078400
n3 2.1255554366253E+24
n4 2.7329388541963E+32
n5 3.5138837840116E+40

Nth Root

y√n
2√n 11339.104021042
3√n 504.72229936698
4√n 106.48522912142
5√n 41.863110667298

Divisors of 128575280

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128575279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128575280 can be divided by 40 positive divisors. The sum of these divisors (counting 128575280) is 1, the average is 0.025.

Base conversion 128575280

Base System Value
2 Binary 111101010011110011100110000
3 Ternary 22221221022010102
4 Quaternary 13222132130300
5 Quinary 230403402110
6 Senary 20431451532
8 Octal 752363460
10 Decimal 128575280
12 Duodecimal 37086ba8
16 Hexadecimal 7a9e730
20 Vigesimal 203bi40
36 Base36 24jtbk

Cryptographic Hash Functions

md5 bc099be3eba69ceb0e3e7df4c7e0683d
sha1 11a196de30347ce5c6eb6777120d2809e45f86d1
sha256 fcf7b45c3d23bdfaa6ac57d4724d2e0b154077df81fd2487a4538c2aa3f82f56
sha512 2b02296dcabe1a62e1ab45823a9e387bc08a74762252dc7ff7eca4bf835f71cd313aa2838e604957b06589869f143ca6b8224c3f8b89f6d96d54b9e33b922120
ripemd-160 cda56323bfb54f78e27e34edaf686a23d9f20744

128575280 as geometric shapes

Circle

Radius = n
Diameter 257150560
Circumference 807862310.1625
Area 5.1935561365295E+16

Sphere

Radius = n
Volume 8.9035057926667E+24
Surface area 2.0774224546118E+17
Circumference 807862310.1625

Square

Length = n
Perimeter 514301120
Area 16531602627078400
Diagonal 181832904.76192

Cube

Length = n
Surface area 99189615762470400
Volume 2.1255554366253E+24
Space diagonal 222698917.55739

Equilateral Triangle

Length = n
Perimeter 385725840
Area 7.1583939201597E+15
Altitude 111349458.7787

Triangular Pyramid

Length = n
Surface area 7.1583939201597E+15
Volume 2.5049911050429E+23
Height 60610968.253973