28900 (number)

28900 is an even 5-digits composite number following 28899 and preceding 28901. In scientific notation, it is written as 2.8900 × 10^4. The sum of its digits is 19. It has a total of 6 prime factors and 27 positive divisors. There are 10880 positive integers (up to 28900) that are relatively prime to 28900.

Interesting facts

Basic properties

Name

Name twenty-eight thousand nine hundred

Notation

Scientific notation 2.8900 × 10^4
Engineering notation 2.8900 × 10^3

Prime Factorization of 28900

Prime Factorization 2 × 2 × 5 × 5 × 17 × 17

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 170
Product of the distinct prime numbers

The prime factorization of 28900 is 2 × 2 × 5 × 5 × 17 × 17. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 7, 3, 23, 332, 166, 9385, 6258, 2235, 76521, 95472, 780200, 55814, 3979257, 27208685, 73632630, 381084942, 840858480, 2168465079, 6824848592

Basic calculations (n = 28900)

Multiplication

n×y
n×2 57800
n×3 86700
n×4 115600
n×5 144500

Division

n÷y
n÷2 14450
n÷3 9633.3333333333
n÷3 7225
n÷5 5780

Exponentiation

ny
n2 835210000
n3 24137569000000
n4 697575744100000000
n5 2.015993900449E+22

Nth Root

y√n
2√n 170
3√n 30.687813601628
4√n 13.038404810405
5√n 7.8015261500555

Divisors of 28900

1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 1156, 1445, 1700, 2890, 5780, 7225, 14450, 28900

27 divisors

τ Total Divisors 27
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.037037037037037
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 27
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28900 can be divided by 27 positive divisors. The sum of these divisors (counting 28900) is 1, the average is 0.037037037037037.

Base conversion 28900

Base System Value
2 Binary 111000011100100
3 Ternary 1110122101
4 Quaternary 13003210
5 Quinary 1411100
6 Senary 341444
8 Octal 70344
10 Decimal 28900
12 Duodecimal 14884
16 Hexadecimal 70e4
20 Vigesimal 3c50
36 Base36 mas

Cryptographic Hash Functions

md5 f29fa72991dafa0ab83a053e89b9866a
sha1 186865678105053f21e3c8600a450a1b5f7c1ee9
sha256 4f92a04ae81ef35d1a7b71d1cafd9bac8f0550a5d63a0cfdb84d7238f9d24605
sha512 c3d681d325587dfaa2f43311bdbffe50a95498a4a090017bc2ec82b2941ebf2b369d9201640ef30cfd91199b3d558fc12c3ee9ce4d43c9b8eca16b43186ef9a1
ripemd-160 3fa10681513894d0720cfd620b3d20a81276dbec

28900 as geometric shapes

Circle

Radius = n
Diameter 57800
Circumference 181584.05537749
Area 2623889600.2047

Sphere

Radius = n
Volume 1.0110721259456E+14
Surface area 10495558400.819
Circumference 181584.05537749

Square

Length = n
Perimeter 115600
Area 835210000
Diagonal 40870.771952582

Cube

Length = n
Surface area 5011260000
Volume 24137569000000
Space diagonal 50056.268338741

Equilateral Triangle

Length = n
Perimeter 86700
Area 361656538.7474
Altitude 25028.13416937

Triangular Pyramid

Length = n
Surface area 361656538.7474
Volume 2844639786876.4
Height 13623.590650861