28233721 (number)

28233721 is an odd 8-digits composite number following 28233720 and preceding 28233722. In scientific notation, it is written as 2.8233721 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 28177744 positive integers (up to 28233721) that are relatively prime to 28233721.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-three thousand seven hundred twenty-one

Notation

Scientific notation 2.8233721 × 10^7
Engineering notation 2.8233721 × 10^6

Prime Factorization of 28233721

Prime Factorization 509 × 55469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28233721
Product of the distinct prime numbers

The prime factorization of 28233721 is 509 × 55469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28233721)

Multiplication

n×y
n×2 56467442
n×3 84701163
n×4 112934884
n×5 141168605

Division

n÷y
n÷2 14116860.5
n÷3 9411240.3333333
n÷3 7058430.25
n÷5 5646744.2

Exponentiation

ny
n2 797143001505841
n3 2.2506313101618E+22
n4 6.3543696484974E+29
n5 1.7940749978654E+37

Nth Root

y√n
2√n 5313.5412861857
3√n 304.50145553628
4√n 72.894041499876
5√n 30.913887615597

Divisors of 28233721

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 -28233720
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 28233721 can be divided by 4 positive divisors. The sum of these divisors (counting 28233721) is 1, the average is 0.25.

Base conversion 28233721

Base System Value
2 Binary 1101011101100111111111001
3 Ternary 1222010102101101
4 Quaternary 1223230333321
5 Quinary 24211434341
6 Senary 2445051401
8 Octal 153547771
10 Decimal 28233721
12 Duodecimal 9556b61
16 Hexadecimal 1aecff9
20 Vigesimal 8g9461
36 Base36 gt5a1

Cryptographic Hash Functions

md5 acbd56f313cd8217e9faa110ef4207c8
sha1 b2e31b6dfcaf1fa3322b40e1eca9a44ee67d2884
sha256 de6bd846ff756056074655b404c6e329e11408c6c9cdcf5d23ba7f7b169fc56e
sha512 9ec89ae2c36ec6b129aa0ba05a9b9773b3dfbff1a84c72fc5a4f452975283f4eb2502a67ad7c558431dce84a306530080974647b22353c22621c7024fdf75d7d
ripemd-160 7978f5eb6d435a251957a7f689b7bc595e903ebf

28233721 as geometric shapes

Circle

Radius = n
Diameter 56467442
Circumference 177397700.95421
Area 2.5042985973913E+15

Sphere

Radius = n
Volume 9.4274223865915E+22
Surface area 1.0017194389565E+16
Circumference 177397700.95421

Square

Length = n
Perimeter 112934884
Area 797143001505841
Diagonal 39928511.154458

Cube

Length = n
Surface area 4782858009035046
Volume 2.2506313101618E+22
Space diagonal 48902239.258724

Equilateral Triangle

Length = n
Perimeter 84701163
Area 3.4517304487652E+14
Altitude 24451119.629362

Triangular Pyramid

Length = n
Surface area 3.4517304487652E+14
Volume 2.6523944356103E+21
Height 13309503.718153