28687623 (number)

28687623 is an odd 8-digits composite number following 28687622 and preceding 28687624. In scientific notation, it is written as 2.8687623 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 19125080 positive integers (up to 28687623) that are relatively prime to 28687623.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand six hundred twenty-three

Notation

Scientific notation 2.8687623 × 10^7
Engineering notation 2.8687623 × 10^6

Prime Factorization of 28687623

Prime Factorization 3 × 9562541

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28687623
Product of the distinct prime numbers

The prime factorization of 28687623 is 3 × 9562541. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28687623)

Multiplication

n×y
n×2 57375246
n×3 86062869
n×4 114750492
n×5 143438115

Division

n÷y
n÷2 14343811.5
n÷3 9562541
n÷3 7171905.75
n÷5 5737524.6

Exponentiation

ny
n2 822979713390129
n3 2.3609331754384E+22
n4 6.772956086517E+29
n5 1.9430001080555E+37

Nth Root

y√n
2√n 5356.0828036915
3√n 306.12457015392
4√n 73.185263569188
5√n 31.012652509107

Divisors of 28687623

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28687622
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28687623 can be divided by 4 positive divisors. The sum of these divisors (counting 28687623) is 1, the average is 0.25.

Base conversion 28687623

Base System Value
2 Binary 1101101011011110100000111
3 Ternary 1222222111000120
4 Quaternary 1231123310013
5 Quinary 24321000443
6 Senary 2502513023
8 Octal 155336407
10 Decimal 28687623
12 Duodecimal 9735773
16 Hexadecimal 1b5bd07
20 Vigesimal 8j5j13
36 Base36 h2vif

Cryptographic Hash Functions

md5 ca3c73b4bebe9df43f9801a9bc527730
sha1 895d7bc0ef30689187ab1c069405cf26abdf9689
sha256 f76bb45b90ebf3ee3a70c034aa66f3459098169e4f87141c6aabc1ba7626a6dd
sha512 101eae823e503d56ef99894e97f91f4a3e975153963c266b2ab91e2cb35b456f76d270199616c935f72f86b1e5b879f32e54371564f8700f4235436071ec868b
ripemd-160 8f54b601b4238826d82c072de7d7caf89fd4cf6f

28687623 as geometric shapes

Circle

Radius = n
Diameter 57375246
Circumference 180249651.33151
Area 2.5854670216399E+15

Sphere

Radius = n
Volume 9.8894537594316E+22
Surface area 1.0341868086559E+16
Circumference 180249651.33151

Square

Length = n
Perimeter 114750492
Area 822979713390129
Diagonal 40570425.518846

Cube

Length = n
Surface area 4937878280340774
Volume 2.3609331754384E+22
Space diagonal 49688420.584381

Equilateral Triangle

Length = n
Perimeter 86062869
Area 3.5636066929754E+14
Altitude 24844210.292191

Triangular Pyramid

Length = n
Surface area 3.5636066929754E+14
Volume 2.782386430468E+21
Height 13523475.172949