28278321 (number)

28278321 is an odd 8-digits composite number following 28278320 and preceding 28278322. In scientific notation, it is written as 2.8278321 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 18852212 positive integers (up to 28278321) that are relatively prime to 28278321.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred seventy-eight thousand three hundred twenty-one

Notation

Scientific notation 2.8278321 × 10^7
Engineering notation 2.8278321 × 10^6

Prime Factorization of 28278321

Prime Factorization 3 × 9426107

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28278321
Product of the distinct prime numbers

The prime factorization of 28278321 is 3 × 9426107. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28278321)

Multiplication

n×y
n×2 56556642
n×3 84834963
n×4 113113284
n×5 141391605

Division

n÷y
n÷2 14139160.5
n÷3 9426107
n÷3 7069580.25
n÷5 5655664.2

Exponentiation

ny
n2 799663438579041
n3 2.2613139408102E+22
n4 6.3946161500006E+29
n5 1.808290081615E+37

Nth Root

y√n
2√n 5317.7364545453
3√n 304.66170859134
4√n 72.922811619858
5√n 30.923648206613

Divisors of 28278321

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 -28278320
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 28278321 can be divided by 4 positive divisors. The sum of these divisors (counting 28278321) is 1, the average is 0.25.

Base conversion 28278321

Base System Value
2 Binary 1101011110111111000110001
3 Ternary 1222012200120020
4 Quaternary 1223313320301
5 Quinary 24214401241
6 Senary 2450034053
8 Octal 153677061
10 Decimal 28278321
12 Duodecimal 9578929
16 Hexadecimal 1af7e31
20 Vigesimal 8gefg1
36 Base36 gu3ox

Cryptographic Hash Functions

md5 950e45747db36d4e5fbfc17167ab4ac2
sha1 76d8fca17f830dfe6b7f2c43259aac611268678e
sha256 f64b0fab09713872e6a79fb885f822c2c342532f32f6e8f519cdc74eae5cf7e7
sha512 91b2d9fff99417423f8e6a3437ccd0f390b862bf6c5f682c015cf90d7bce39bcd3669d89a9bd6fe854b4b0471c87aa3f12886fc746f576be3cd83491b0a4cd72
ripemd-160 16270b0bae45e2442e5db979511cc4d42046bd7e

28278321 as geometric shapes

Circle

Radius = n
Diameter 56556642
Circumference 177677931.01891
Area 2.5122167839843E+15

Sphere

Radius = n
Volume 9.4721696852126E+22
Surface area 1.0048867135937E+16
Circumference 177677931.01891

Square

Length = n
Perimeter 113113284
Area 799663438579041
Diagonal 39991585.07934

Cube

Length = n
Surface area 4797980631474246
Volume 2.2613139408102E+22
Space diagonal 48979488.724742

Equilateral Triangle

Length = n
Perimeter 84834963
Area 3.4626442614353E+14
Altitude 24489744.362371

Triangular Pyramid

Length = n
Surface area 3.4626442614353E+14
Volume 2.6649840365643E+21
Height 13330528.35978