28236872 (number)

28236872 is an even 8-digits composite number following 28236871 and preceding 28236873. In scientific notation, it is written as 2.8236872 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 13986064 positive integers (up to 28236872) that are relatively prime to 28236872.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-six thousand eight hundred seventy-two

Notation

Scientific notation 2.8236872 × 10^7
Engineering notation 2.8236872 × 10^6

Prime Factorization of 28236872

Prime Factorization 2 × 2 × 2 × 107 × 32987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7059218
Product of the distinct prime numbers

The prime factorization of 28236872 is 2 × 2 × 2 × 107 × 32987. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28236872)

Multiplication

n×y
n×2 56473744
n×3 84710616
n×4 112947488
n×5 141184360

Division

n÷y
n÷2 14118436
n÷3 9412290.6666667
n÷3 7059218
n÷5 5647374.4

Exponentiation

ny
n2 797320940344384
n3 2.2513849335424E+22
n4 6.3572068191165E+29
n5 1.7950763522892E+37

Nth Root

y√n
2√n 5313.8377845019
3√n 304.51278298871
4√n 72.896075233869
5√n 30.91457760833

Divisors of 28236872

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 -28236871
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 28236872 can be divided by 16 positive divisors. The sum of these divisors (counting 28236872) is 1, the average is 0.0625.

Base conversion 28236872

Base System Value
2 Binary 1101011101101110001001000
3 Ternary 1222010120201002
4 Quaternary 1223231301020
5 Quinary 24212034442
6 Senary 2445114132
8 Octal 153556110
10 Decimal 28236872
12 Duodecimal 9558948
16 Hexadecimal 1aedc48
20 Vigesimal 8g9c3c
36 Base36 gt7pk

Cryptographic Hash Functions

md5 c956ab179afa8c3456720c22e09fd501
sha1 90f72decb8039d800148fd222a279cb6396bde3a
sha256 f6363072bf331e8fb9b6dd118eeda6e34f79c0717a5cb159a9e5850c84294adf
sha512 d3606c48b3452ab75b395526f6387c7df31a57d8459b4b7c43febd5c96780cf3c0221740a69cb2d996d280d712d879192fde0293d52b7af99d6ac78bdc20f652
ripemd-160 adee8ded98694f8b8a6aeacf0a6a8eac801f730b

28236872 as geometric shapes

Circle

Radius = n
Diameter 56473744
Circumference 177417499.27111
Area 2.5048576087392E+15

Sphere

Radius = n
Volume 9.4305791568261E+22
Surface area 1.0019430434957E+16
Circumference 177417499.27111

Square

Length = n
Perimeter 112947488
Area 797320940344384
Diagonal 39932967.341393

Cube

Length = n
Surface area 4783925642066304
Volume 2.2513849335424E+22
Space diagonal 48907696.950819

Equilateral Triangle

Length = n
Perimeter 84710616
Area 3.4525009465377E+14
Altitude 24453848.47541

Triangular Pyramid

Length = n
Surface area 3.4525009465377E+14
Volume 2.6532825892818E+21
Height 13310989.113798