128673909 (number)

128673909 is an odd 9-digits composite number following 128673908 and preceding 128673910. In scientific notation, it is written as 1.28673909 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 64291968 positive integers (up to 128673909) that are relatively prime to 128673909.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred seventy-three thousand nine hundred nine

Notation

Scientific notation 1.28673909 × 10^8
Engineering notation 1.28673909 × 10^6

Prime Factorization of 128673909

Prime Factorization 399 × 3 × 13 × 8269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128673909
Product of the distinct prime numbers

The prime factorization of 128673909 is 399 × 3 × 13 × 8269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128673909)

Multiplication

n×y
n×2 257347818
n×3 386021727
n×4 514695636
n×5 643369545

Division

n÷y
n÷2 64336954.5
n÷3 42891303
n÷3 32168477.25
n÷5 25734781.8

Exponentiation

ny
n2 16556974857340281
n3 2.1304506761087E+24
n4 2.741334164266E+32
n5 3.5273818279135E+40

Nth Root

y√n
2√n 11343.452252291
3√n 504.85132243791
4√n 106.50564422739
5√n 41.86953126451

Divisors of 128673909

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 -128673908
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 128673909 can be divided by 16 positive divisors. The sum of these divisors (counting 128673909) is 1, the average is 0.0625.

Base conversion 128673909

Base System Value
2 Binary 111101010110110100001110101
3 Ternary 22222010022102100
4 Quaternary 13222312201311
5 Quinary 230420031114
6 Senary 20433532313
8 Octal 752664165
10 Decimal 128673909
12 Duodecimal 37114099
16 Hexadecimal 7ab6875
20 Vigesimal 20444f9
36 Base36 24lxf9

Cryptographic Hash Functions

md5 96ceaa46da4e36676fc98233e805eaa6
sha1 c12c42d2619e219ae6333e70f35a6aa70dea0db1
sha256 2e63a7b6f7a855d868beb1595cab6d981e870d11686e819a525c78e3099d1591
sha512 cfbb60bef8f734f9d12aa5c8bf826f3cc15b4553569679576b332090117ef6eaef8879870f902912a92eb5eafb957988c2609a6253f143daa7ea717d2facbd99
ripemd-160 fb8b49f75ee04b9db40c2a9ad51af84b3703c7dc

128673909 as geometric shapes

Circle

Radius = n
Diameter 257347818
Circumference 808482014.44616
Area 5.2015270577491E+16

Sphere

Radius = n
Volume 8.9240109238646E+24
Surface area 2.0806108230996E+17
Circumference 808482014.44616

Square

Length = n
Perimeter 514695636
Area 16556974857340281
Diagonal 181972387.23136

Cube

Length = n
Surface area 99341849144041686
Volume 2.1304506761087E+24
Space diagonal 222869747.99649

Equilateral Triangle

Length = n
Perimeter 386021727
Area 7.1693804181385E+15
Altitude 111434873.99825

Triangular Pyramid

Length = n
Surface area 7.1693804181385E+15
Volume 2.5107602000999E+23
Height 60657462.410454