28305994 (number)

28305994 is an even 8-digits composite number following 28305993 and preceding 28305995. In scientific notation, it is written as 2.8305994 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 13943664 positive integers (up to 28305994) that are relatively prime to 28305994.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8305994 × 10^7
Engineering notation 2.8305994 × 10^6

Prime Factorization of 28305994

Prime Factorization 2 × 107 × 379 × 349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28305994
Product of the distinct prime numbers

The prime factorization of 28305994 is 2 × 107 × 379 × 349. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28305994)

Multiplication

n×y
n×2 56611988
n×3 84917982
n×4 113223976
n×5 141529970

Division

n÷y
n÷2 14152997
n÷3 9435331.3333333
n÷3 7076498.5
n÷5 5661198.8

Exponentiation

ny
n2 801229296328036
n3 2.2679591654486E+22
n4 6.4196838529432E+29
n5 1.8171553262331E+37

Nth Root

y√n
2√n 5320.3377712322
3√n 304.76105624841
4√n 72.940645536163
5√n 30.929698179244

Divisors of 28305994

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 -28305993
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 28305994 can be divided by 16 positive divisors. The sum of these divisors (counting 28305994) is 1, the average is 0.0625.

Base conversion 28305994

Base System Value
2 Binary 1101011111110101001001010
3 Ternary 1222021002112011
4 Quaternary 1223332221022
5 Quinary 24221242434
6 Senary 2450410134
8 Octal 153765112
10 Decimal 28305994
12 Duodecimal 959094a
16 Hexadecimal 1afea4a
20 Vigesimal 8gi4je
36 Base36 gup1m

Cryptographic Hash Functions

md5 fa54bf14bba67b15d5decfdba9827ce1
sha1 b6624ad56619c19dffb70c6c1950ad053b45a456
sha256 2906861fbc3c3f620e5dfa23ef96a0eaef7b950c52815b5b24fc691e9a3a42a8
sha512 72d1e7e559bd0610fe0f0815dcbd4c2e375c36df8c402fa6c9ae2311cf180fcb1774d8698f742b9944e27e1a59975e47636bfceca383b32f1d0c1da6e9035daa
ripemd-160 43bb91eb6052900c8cef369afee5bdb1f538a93a

28305994 as geometric shapes

Circle

Radius = n
Diameter 56611988
Circumference 177851805.60591
Area 2.5171360711851E+15

Sphere

Radius = n
Volume 9.5000051370864E+22
Surface area 1.006854428474E+16
Circumference 177851805.60591

Square

Length = n
Perimeter 113223976
Area 801229296328036
Diagonal 40030720.611251

Cube

Length = n
Surface area 4807375777968216
Volume 2.2679591654486E+22
Space diagonal 49027419.76674

Equilateral Triangle

Length = n
Perimeter 84917982
Area 3.469424624382E+14
Altitude 24513709.88337

Triangular Pyramid

Length = n
Surface area 3.469424624382E+14
Volume 2.6728155089048E+21
Height 13343573.537084