28008 (number)

28008 is an even 5-digits composite number following 28007 and preceding 28009. In scientific notation, it is written as 2.8008 × 10^4. The sum of its digits is 18. It has a total of 6 prime factors and 24 positive divisors. There are 9312 positive integers (up to 28008) that are relatively prime to 28008.

Interesting facts

Basic properties

Name

Name twenty-eight thousand eight

Notation

Scientific notation 2.8008 × 10^4
Engineering notation 2.8008 × 10^3

Prime Factorization of 28008

Prime Factorization 2 × 2 × 2 × 3 × 3 × 389

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2334
Product of the distinct prime numbers

The prime factorization of 28008 is 2 × 2 × 2 × 3 × 3 × 389. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 2, 92, 83, 729, 870, 6459, 3175, 40676, 52359, 52578, 838666, 2222934, 8566207, 68711378, 53361550, 555578073, 594911530, 8099410906, 7237330035

Basic calculations (n = 28008)

Multiplication

n×y
n×2 56016
n×3 84024
n×4 112032
n×5 140040

Division

n÷y
n÷2 14004
n÷3 9336
n÷3 7002
n÷5 5601.6

Exponentiation

ny
n2 784448064
n3 21970821376512
n4 615358765113348096
n5 1.7234968293295E+22

Nth Root

y√n
2√n 167.35590817178
3√n 30.36878143287
4√n 12.936611154849
5√n 7.7527614228508

Divisors of 28008

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 389, 778, 1167, 1556, 2334, 3112, 3501, 4668, 7002, 9336, 14004, 28008

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28008 can be divided by 24 positive divisors. The sum of these divisors (counting 28008) is 1, the average is 0.041666666666667.

Base conversion 28008

Base System Value
2 Binary 110110101101000
3 Ternary 1102102100
4 Quaternary 12311220
5 Quinary 1344013
6 Senary 333400
8 Octal 66550
10 Decimal 28008
12 Duodecimal 14260
16 Hexadecimal 6d68
20 Vigesimal 3a08
36 Base36 lm0

Cryptographic Hash Functions

md5 7f9b98141b2a0a95dcb5fc8a3dd4deae
sha1 ed92f412585b7c2a870639ed1f5f5aba092b21bf
sha256 556d4a481f38cd7f7a7452cb59a1deb97520ae183040470600035fd437a28cfc
sha512 aa2c53daa543dd1764d75e74613b47e6de4883a9eed21725a36a394df28ad6263cbceb1e21a7b2ce08ecbc7c6c5150d2d682ad2e038bfe78c0459f58485f1a87
ripemd-160 3314abca1ede2a116179c025543d329256257a55

28008 as geometric shapes

Circle

Radius = n
Diameter 56016
Circumference 175979.45408349
Area 2464416274.9851

Sphere

Radius = n
Volume 92031161373045
Surface area 9857665099.9405
Circumference 175979.45408349

Square

Length = n
Perimeter 112032
Area 784448064
Diagonal 39609.293454946

Cube

Length = n
Surface area 4706688384
Volume 21970821376512
Space diagonal 48511.279018389

Equilateral Triangle

Length = n
Perimeter 84024
Area 339675975.68676
Altitude 24255.639509195

Triangular Pyramid

Length = n
Surface area 339675975.68676
Volume 2589286130595
Height 13203.097818315