28438900 (number)

28438900 is an even 8-digits composite number following 28438899 and preceding 28438901. In scientific notation, it is written as 2.8438900 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 9750240 positive integers (up to 28438900) that are relatively prime to 28438900.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand nine hundred

Notation

Scientific notation 2.8438900 × 10^7
Engineering notation 2.8438900 × 10^6

Prime Factorization of 28438900

Prime Factorization 2 × 2 × 25 × 7 × 40627

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14219450
Product of the distinct prime numbers

The prime factorization of 28438900 is 2 × 2 × 25 × 7 × 40627. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 83, 88, 741, 53, 69, 9606, 7526, 13013, 87328, 443552, 3308356, 7192300, 89041377, 18658823, 883483811, 574506889, 8710828126, 6514396909

Basic calculations (n = 28438900)

Multiplication

n×y
n×2 56877800
n×3 85316700
n×4 113755600
n×5 142194500

Division

n÷y
n÷2 14219450
n÷3 9479633.3333333
n÷3 7109725
n÷5 5687780

Exponentiation

ny
n2 808771033210000
n3 2.3000558536356E+22
n4 6.5411058415957E+29
n5 1.8602185491856E+37

Nth Root

y√n
2√n 5332.8135163345
3√n 305.2372962946
4√n 73.026115303599
5√n 30.958688813717

Divisors of 28438900

1, 2, 4, 7, 14, 25, 28, 50, 100, 175, 350, 700, 40627, 81254, 162508, 284389, 568778, 1015675, 1137556, 2031350, 4062700, 7109725, 14219450, 28438900

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 -28438899
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 28438900 can be divided by 24 positive divisors. The sum of these divisors (counting 28438900) is 1, the average is 0.041666666666667.

Base conversion 28438900

Base System Value
2 Binary 1101100011111000101110100
3 Ternary 1222111211211121
4 Quaternary 1230133011310
5 Quinary 24240021100
6 Senary 2453313324
8 Octal 154370564
10 Decimal 28438900
12 Duodecimal 9635844
16 Hexadecimal 1b1f174
20 Vigesimal 8heh50
36 Base36 gxjlg

Cryptographic Hash Functions

md5 fb45423ddcea8b22643c0db674ee1579
sha1 6c5c9fca8075b667cbe2404bd4f4d80e3883f4ac
sha256 1d7fc75825478dc23fbc6bb1d441709e9c53efe82266d18d1fcc2eed2e591282
sha512 d6e1468c47decf45410f2db6fa9067b028d7e18cbae4b2a4032d26c0c1e1f255627c4cf4f2eb98735ab1b3ec4ad16103df990c9d33c25199518a5b1951507558
ripemd-160 6c8c2c18891a6e1d84d9d4bba472ad60e7aeecdb

28438900 as geometric shapes

Circle

Radius = n
Diameter 56877800
Circumference 178686878.63235
Area 2.5408291363688E+15

Sphere

Radius = n
Volume 9.6344514301703E+22
Surface area 1.0163316545475E+16
Circumference 178686878.63235

Square

Length = n
Perimeter 113755600
Area 808771033210000
Diagonal 40218678.078972

Cube

Length = n
Surface area 4852626199260000
Volume 2.3000558536356E+22
Space diagonal 49257619.711371

Equilateral Triangle

Length = n
Perimeter 85316700
Area 3.5020813030242E+14
Altitude 24628809.855685

Triangular Pyramid

Length = n
Surface area 3.5020813030242E+14
Volume 2.7106418186892E+21
Height 13406226.026324