28305409 (number)

28305409 is an odd 8-digits composite number following 28305408 and preceding 28305410. In scientific notation, it is written as 2.8305409 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 25625600 positive integers (up to 28305409) that are relatively prime to 28305409.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8305409 × 10^7
Engineering notation 2.8305409 × 10^6

Prime Factorization of 28305409

Prime Factorization 11 × 521 × 11 × 449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2573219
Product of the distinct prime numbers

The prime factorization of 28305409 is 11 × 521 × 11 × 449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 44, 50, 98, 396, 19, 7243, 3501, 79719, 94201, 426727, 9015422, 1085263, 83312450, 70495657, 951869501, 763026200, 644859123, 2651662935

Basic calculations (n = 28305409)

Multiplication

n×y
n×2 56610818
n×3 84916227
n×4 113221636
n×5 141527045

Division

n÷y
n÷2 14152704.5
n÷3 9435136.3333333
n÷3 7076352.25
n÷5 5661081.8

Exponentiation

ny
n2 801196178657281
n3 2.2678185526131E+22
n4 6.4191531669503E+29
n5 1.8169675582417E+37

Nth Root

y√n
2√n 5320.2827932357
3√n 304.75895673495
4√n 72.940268667148
5√n 30.929570333368

Divisors of 28305409

1, 11, 121, 449, 521, 4939, 5731, 54329, 63041, 233929, 2573219, 28305409

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28305408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28305409 can be divided by 12 positive divisors. The sum of these divisors (counting 28305409) is 1, the average is 0.083333333333333.

Base conversion 28305409

Base System Value
2 Binary 1101011111110100000000001
3 Ternary 1222021001201111
4 Quaternary 1223332200001
5 Quinary 24221233114
6 Senary 2450403321
8 Octal 153764001
10 Decimal 28305409
12 Duodecimal 9590541
16 Hexadecimal 1afe801
20 Vigesimal 8gi3a9
36 Base36 guold

Cryptographic Hash Functions

md5 55a063353105785d58d70d3013130569
sha1 dbf8da1eb6113d0a660f8b7bc4dd5ba6fe0f75c3
sha256 6b42ce636309f4163fe4afcebf863a891d062782dc653fda036da3ff626b0ada
sha512 596c30c01de12729c17403a7ea0605a4bfc2dba5d237cd2d02aafa16d0b5521cccc577d3314b2527dcdcd26eca7d252710031070f012a42a5543d5d29ea38be0
ripemd-160 2f0ae80bdafbf841471eda6c1220ee5b4f1573a1

28305409 as geometric shapes

Circle

Radius = n
Diameter 56610818
Circumference 177848129.94251
Area 2.5170320289539E+15

Sphere

Radius = n
Volume 9.4994161394188E+22
Surface area 1.0068128115816E+16
Circumference 177848129.94251

Square

Length = n
Perimeter 113221636
Area 801196178657281
Diagonal 40029893.296317

Cube

Length = n
Surface area 4807177071943686
Volume 2.2678185526131E+22
Space diagonal 49026406.517017

Equilateral Triangle

Length = n
Perimeter 84916227
Area 3.4692812206611E+14
Altitude 24513203.258509

Triangular Pyramid

Length = n
Surface area 3.4692812206611E+14
Volume 2.672649795089E+21
Height 13343297.765439