28709072 (number)

28709072 is an even 8-digits composite number following 28709071 and preceding 28709073. In scientific notation, it is written as 2.8709072 × 10^7. The sum of its digits is 35. It has a total of 7 prime factors and 40 positive divisors. There are 11878272 positive integers (up to 28709072) that are relatively prime to 28709072.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred nine thousand seventy-two

Notation

Scientific notation 2.8709072 × 10^7
Engineering notation 2.8709072 × 10^6

Prime Factorization of 28709072

Prime Factorization 2 × 2 × 2 × 2 × 7 × 29 × 8839

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3588634
Product of the distinct prime numbers

The prime factorization of 28709072 is 2 × 2 × 2 × 2 × 7 × 29 × 8839. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28709072)

Multiplication

n×y
n×2 57418144
n×3 86127216
n×4 114836288
n×5 143545360

Division

n÷y
n÷2 14354536
n÷3 9569690.6666667
n÷3 7177268
n÷5 5741814.4

Exponentiation

ny
n2 824210815101184
n3 2.3662327633919E+22
n4 6.7932346772976E+29
n5 1.9502746346343E+37

Nth Root

y√n
2√n 5358.0847324394
3√n 306.2008449776
4√n 73.198939421548
5√n 31.017288595788

Divisors of 28709072

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28709071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28709072 can be divided by 40 positive divisors. The sum of these divisors (counting 28709072) is 1, the average is 0.025.

Base conversion 28709072

Base System Value
2 Binary 1101101100001000011010000
3 Ternary 2000000120102222
4 Quaternary 1231201003100
5 Quinary 24322142242
6 Senary 2503200212
8 Octal 155410320
10 Decimal 28709072
12 Duodecimal 9746068
16 Hexadecimal 1b610d0
20 Vigesimal 8j8cdc
36 Base36 h3c28

Cryptographic Hash Functions

md5 9f426df8dd4fd1afed9b1cf771aeb069
sha1 09c411e920f0c76960d95780d7c3ccb4792a8ca5
sha256 42ebe71c8e3a917c3f1e62830f3b84900365c9304dbb3d4601e15324526dda5c
sha512 0fe2cfbd121efc476d50439e7a4a899c9f78dc90c88aef6b8639619f7b7e8001e92d70023d1c3175d3ec127c4be34a0c420e20600b1906c1679be3f07906da63
ripemd-160 f2ccef5b4888e593be689f916c59bef3224db7fe

28709072 as geometric shapes

Circle

Radius = n
Diameter 57418144
Circumference 180384419.37316
Area 2.5893346417311E+15

Sphere

Radius = n
Volume 9.9116526215404E+22
Surface area 1.0357338566925E+16
Circumference 180384419.37316

Square

Length = n
Perimeter 114836288
Area 824210815101184
Diagonal 40600758.985546

Cube

Length = n
Surface area 4945264890607104
Volume 2.3662327633919E+22
Space diagonal 49725571.342153

Equilateral Triangle

Length = n
Perimeter 86127216
Area 3.5689375197575E+14
Altitude 24862785.671077

Triangular Pyramid

Length = n
Surface area 3.5689375197575E+14
Volume 2.7886320547669E+21
Height 13533586.328515