28743856 (number)

28743856 is an even 8-digits composite number following 28743855 and preceding 28743857. In scientific notation, it is written as 2.8743856 × 10^7. The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors. There are 14127872 positive integers (up to 28743856) that are relatively prime to 28743856.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-three thousand eight hundred fifty-six

Notation

Scientific notation 2.8743856 × 10^7
Engineering notation 2.8743856 × 10^6

Prime Factorization of 28743856

Prime Factorization 2 × 2 × 2 × 2 × 59 × 30449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3592982
Product of the distinct prime numbers

The prime factorization of 28743856 is 2 × 2 × 2 × 2 × 59 × 30449. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28743856)

Multiplication

n×y
n×2 57487712
n×3 86231568
n×4 114975424
n×5 143719280

Division

n÷y
n÷2 14371928
n÷3 9581285.3333333
n÷3 7185964
n÷5 5748771.2

Exponentiation

ny
n2 826209257748736
n3 2.3748439930597E+22
n4 6.8262173758972E+29
n5 1.9621180927749E+37

Nth Root

y√n
2√n 5361.3296858149
3√n 306.32445969579
4√n 73.221101369857
5√n 31.024801084275

Divisors of 28743856

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28743855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28743856 can be divided by 20 positive divisors. The sum of these divisors (counting 28743856) is 1, the average is 0.05.

Base conversion 28743856

Base System Value
2 Binary 1101101101001100010110000
3 Ternary 2000002100011021
4 Quaternary 1231221202300
5 Quinary 24324300411
6 Senary 2504025224
8 Octal 155514260
10 Decimal 28743856
12 Duodecimal 9762214
16 Hexadecimal 1b698b0
20 Vigesimal 8jcjcg
36 Base36 h42wg

Cryptographic Hash Functions

md5 8b084a687dd25782e79517927bd9c796
sha1 4168ace2911947b8eb9484608a3f8ae36de258e7
sha256 161eb926e1d208ce578321fde5a3d57bd1fff799b9b46a1e5b7151a2c4fc5070
sha512 0a95b4240525c03664d5851609932e996a2a7f21697a80c1841efefd19b19b9a6e1bfb48878a8aeb4eceb4e2ee521e4d0c84fde75c41c266ec6ee011f034db7a
ripemd-160 6b0b44c70b649b6541745be2f92b7bb87713ffea

28743856 as geometric shapes

Circle

Radius = n
Diameter 57487712
Circumference 180602973.69089
Area 2.5956129344713E+15

Sphere

Radius = n
Volume 9.9477232560241E+22
Surface area 1.0382451737885E+16
Circumference 180602973.69089

Square

Length = n
Perimeter 114975424
Area 826209257748736
Diagonal 40649950.990099

Cube

Length = n
Surface area 4957255546492416
Volume 2.3748439930597E+22
Space diagonal 49785818.997444

Equilateral Triangle

Length = n
Perimeter 86231568
Area 3.5775910302615E+14
Altitude 24892909.498722

Triangular Pyramid

Length = n
Surface area 3.5775910302615E+14
Volume 2.7987804862544E+21
Height 13549983.663366