28455 (number)

28455 is an odd 5-digits composite number following 28454 and preceding 28456. In scientific notation, it is written as 2.8455 × 10^4. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 12960 positive integers (up to 28455) that are relatively prime to 28455.

Interesting facts

Basic properties

Name

Name twenty-eight thousand four hundred fifty-five

Notation

Scientific notation 2.8455 × 10^4
Engineering notation 2.8455 × 10^3

Prime Factorization of 28455

Prime Factorization 3 × 5 × 7 × 271

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28455
Product of the distinct prime numbers

The prime factorization of 28455 is 3 × 5 × 7 × 271. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 50, 99, 907, 604, 4847, 217, 5733, 38179, 244787, 215070, 1733459, 3397586, 91550793, 54456389, 368211931, 977034861, 8445380575, 9012329906

Basic calculations (n = 28455)

Multiplication

n×y
n×2 56910
n×3 85365
n×4 113820
n×5 142275

Division

n÷y
n÷2 14227.5
n÷3 9485
n÷3 7113.75
n÷5 5691

Exponentiation

ny
n2 809687025
n3 23039644296375
n4 655593078453350625
n5 1.865490104739E+22

Nth Root

y√n
2√n 168.68609901234
3√n 30.529488634892
4√n 12.98792127372
5√n 7.7773513299803

Divisors of 28455

1, 3, 5, 7, 15, 21, 35, 105, 271, 813, 1355, 1897, 4065, 5691, 9485, 28455

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 -28454
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 28455 can be divided by 16 positive divisors. The sum of these divisors (counting 28455) is 1, the average is 0.0625.

Base conversion 28455

Base System Value
2 Binary 110111100100111
3 Ternary 1110000220
4 Quaternary 12330213
5 Quinary 1402310
6 Senary 335423
8 Octal 67447
10 Decimal 28455
12 Duodecimal 14573
16 Hexadecimal 6f27
20 Vigesimal 3b2f
36 Base36 lyf

Cryptographic Hash Functions

md5 1fd6b8f9b13318adc358fca5d1ea1b5b
sha1 56e64e26ca43920d53cf7cca27ec739bfe046d30
sha256 404b2f5d9e1df7d9be7e4063046d5b9fe667c19c38cf543675c0789b295ee89a
sha512 0561b7a08c6d52dafc9ae202956bfbcab5577dc845394b3bd31aab81f7597a464e92ad34a78330bb309602d57140ec943a6f3fa437f1eadbe149f26fa28c4ccd
ripemd-160 55896c64817f1e9fbf0f05a779dfe3659408b730

28455 as geometric shapes

Circle

Radius = n
Diameter 56910
Circumference 178788.0379158
Area 2543706809.447

Sphere

Radius = n
Volume 96508236350418
Surface area 10174827237.788
Circumference 178788.0379158

Square

Length = n
Perimeter 113820
Area 809687025
Diagonal 40241.446917326

Cube

Length = n
Surface area 4858122150
Volume 23039644296375
Space diagonal 49285.505729372

Equilateral Triangle

Length = n
Perimeter 85365
Area 350604766.38232
Altitude 24642.752864686

Triangular Pyramid

Length = n
Surface area 350604766.38232
Volume 2715248119682.1
Height 13413.815639109