28388619 (number)

28388619 is an odd 8-digits composite number following 28388618 and preceding 28388620. In scientific notation, it is written as 2.8388619 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 16172928 positive integers (up to 28388619) that are relatively prime to 28388619.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8388619 × 10^7
Engineering notation 2.8388619 × 10^6

Prime Factorization of 28388619

Prime Factorization 9 × 7 × 809 × 557

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28388619
Product of the distinct prime numbers

The prime factorization of 28388619 is 9 × 7 × 809 × 557. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28388619)

Multiplication

n×y
n×2 56777238
n×3 85165857
n×4 113554476
n×5 141943095

Division

n÷y
n÷2 14194309.5
n÷3 9462873
n÷3 7097154.75
n÷5 5677723.8

Exponentiation

ny
n2 805913688727161
n3 2.287877665616E+22
n4 6.4949687367782E+29
n5 1.8438319288531E+37

Nth Root

y√n
2√n 5328.0971274931
3√n 305.0572999932
4√n 72.993815679776
5√n 30.947733847981

Divisors of 28388619

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 -28388618
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 28388619 can be divided by 16 positive divisors. The sum of these divisors (counting 28388619) is 1, the average is 0.0625.

Base conversion 28388619

Base System Value
2 Binary 1101100010010110100001011
3 Ternary 1222102021212100
4 Quaternary 1230102310023
5 Quinary 24231413434
6 Senary 2452244443
8 Octal 154226413
10 Decimal 28388619
12 Duodecimal 9610723
16 Hexadecimal 1b12d0b
20 Vigesimal 8h8baj
36 Base36 gwgsr

Cryptographic Hash Functions

md5 e0cf1991406cc9a111dba39d1ad1b886
sha1 6923100365e5a95f0d5c8a98fad8f7845edd65dc
sha256 47fa4f4f5e390dac1908d765549a0bb6ca414e30ce012e84d88d947def513fa8
sha512 93ee23af5f87600d65d3cb20aa054c77669613eca219dcfc1c11a5a7d7e83ad5a94eed46fa6d6084c68bce24367519e2586db6ff654b8476e6b1211e14bf9b16
ripemd-160 cce3e70c3789de467a92cd2c726a541cf1cc4529

28388619 as geometric shapes

Circle

Radius = n
Diameter 56777238
Circumference 178370953.79192
Area 2.5318525239327E+15

Sphere

Radius = n
Volume 9.5834395554818E+22
Surface area 1.0127410095731E+16
Circumference 178370953.79192

Square

Length = n
Perimeter 113554476
Area 805913688727161
Diagonal 40147570.006843

Cube

Length = n
Surface area 4835482132362966
Volume 2.287877665616E+22
Space diagonal 49170530.464715

Equilateral Triangle

Length = n
Perimeter 85165857
Area 3.4897086384767E+14
Altitude 24585265.232358

Triangular Pyramid

Length = n
Surface area 3.4897086384767E+14
Volume 2.6962896864705E+21
Height 13382523.335614