28665816 (number)

28665816 is an even 8-digits composite number following 28665815 and preceding 28665817. In scientific notation, it is written as 2.8665816 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 9412128 positive integers (up to 28665816) that are relatively prime to 28665816.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-five thousand eight hundred sixteen

Notation

Scientific notation 2.8665816 × 10^7
Engineering notation 2.8665816 × 10^6

Prime Factorization of 28665816

Prime Factorization 2 × 2 × 2 × 3 × 67 × 17827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7166454
Product of the distinct prime numbers

The prime factorization of 28665816 is 2 × 2 × 2 × 3 × 67 × 17827. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28665816)

Multiplication

n×y
n×2 57331632
n×3 85997448
n×4 114663264
n×5 143329080

Division

n÷y
n÷2 14332908
n÷3 9555272
n÷3 7166454
n÷5 5733163.2

Exponentiation

ny
n2 821729006945856
n3 2.3555532514973E+22
n4 6.7523856085622E+29
n5 1.9356264341609E+37

Nth Root

y√n
2√n 5354.0466938569
3√n 306.04698325957
4√n 73.171351592388
5√n 31.007936198929

Divisors of 28665816

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28665815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28665816 can be divided by 32 positive divisors. The sum of these divisors (counting 28665816) is 1, the average is 0.03125.

Base conversion 28665816

Base System Value
2 Binary 1101101010110011111011000
3 Ternary 1222221101002220
4 Quaternary 1231112133120
5 Quinary 24314301231
6 Senary 2502224040
8 Octal 155263730
10 Decimal 28665816
12 Duodecimal 9725020
16 Hexadecimal 1b567d8
20 Vigesimal 8j34ag
36 Base36 h2eoo

Cryptographic Hash Functions

md5 627fea6b48ce03ccd1abd9c2da888124
sha1 077dab7a9fb1f416c87418e8754b421976c1453e
sha256 76e106af0dc763f33588f7955519408c9a666bfda18cc86763ce875a6ad566eb
sha512 0977015fc26af82fd57a2e6cb7e425c2fa93a48e0af5a16b33d2a474010f57b1c85922d125521446ec76146e3eb38569586b87c3219aff6dace1ff65c7f3def2
ripemd-160 3f354ed713d5b0979f4e3a9f513488c4744e347e

28665816 as geometric shapes

Circle

Radius = n
Diameter 57331632
Circumference 180112633.90951
Area 2.5815378114627E+15

Sphere

Radius = n
Volume 9.8669183867245E+22
Surface area 1.0326151245851E+16
Circumference 180112633.90951

Square

Length = n
Perimeter 114663264
Area 821729006945856
Diagonal 40539585.763692

Cube

Length = n
Surface area 4930374041675136
Volume 2.3555532514973E+22
Space diagonal 49650649.752421

Equilateral Triangle

Length = n
Perimeter 85997448
Area 3.5581909752084E+14
Altitude 24825324.87621

Triangular Pyramid

Length = n
Surface area 3.5581909752084E+14
Volume 2.7760461292996E+21
Height 13513195.254564