28438188 (number)

28438188 is an even 8-digits composite number following 28438187 and preceding 28438189. In scientific notation, it is written as 2.8438188 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 9479392 positive integers (up to 28438188) that are relatively prime to 28438188.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand one hundred eighty-eight

Notation

Scientific notation 2.8438188 × 10^7
Engineering notation 2.8438188 × 10^6

Prime Factorization of 28438188

Prime Factorization 2 × 2 × 3 × 2369849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14219094
Product of the distinct prime numbers

The prime factorization of 28438188 is 2 × 2 × 3 × 2369849. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 29, 35, 48, 993, 7210, 3960, 21076, 91650, 77964, 474157, 3579007, 2603270, 23161288, 55413416, 148987391, 67975275, 3867743773, 5688310407

Basic calculations (n = 28438188)

Multiplication

n×y
n×2 56876376
n×3 85314564
n×4 113752752
n×5 142190940

Division

n÷y
n÷2 14219094
n÷3 9479396
n÷3 7109547
n÷5 5687637.6

Exponentiation

ny
n2 808730536723344
n3 2.2998831044679E+22
n4 6.5404508102883E+29
n5 1.8599856974773E+37

Nth Root

y√n
2√n 5332.7467594102
3√n 305.23474895313
4√n 73.025658226477
5√n 30.958533795013

Divisors of 28438188

1, 2, 3, 4, 6, 12, 2369849, 4739698, 7109547, 9479396, 14219094, 28438188

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438187
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438188 can be divided by 12 positive divisors. The sum of these divisors (counting 28438188) is 1, the average is 0.083333333333333.

Base conversion 28438188

Base System Value
2 Binary 1101100011110111010101100
3 Ternary 1222111210212020
4 Quaternary 1230132322230
5 Quinary 24240010223
6 Senary 2453310140
8 Octal 154367254
10 Decimal 28438188
12 Duodecimal 9635350
16 Hexadecimal 1b1eeac
20 Vigesimal 8hef98
36 Base36 gxj1o

Cryptographic Hash Functions

md5 f4d2f9232beae6131e30fc38b6ca0000
sha1 321a28c8f33140e3a826b2db75c2ef816cda3a75
sha256 5422067f3b0244832e061c8f3b43953fc2da16ff0b41a2965ce778ed2715cc16
sha512 6e4d1947d35c47b550e5f051d93e21b7d521581ec50840cc1dd9bfbf99d43fa9ed67120e328da05a3689b4d465081745d26642a14d95a1bf91111e55cc904eef
ripemd-160 2d13cbecdeb900b8bd0c697a3b3dcde7f2fb4b17

28438188 as geometric shapes

Circle

Radius = n
Diameter 56876376
Circumference 178682405.00441
Area 2.5407019129038E+15

Sphere

Radius = n
Volume 9.633727820149E+22
Surface area 1.0162807651615E+16
Circumference 178682405.00441

Square

Length = n
Perimeter 113752752
Area 808730536723344
Diagonal 40217671.158916

Cube

Length = n
Surface area 4852383220340064
Volume 2.2998831044679E+22
Space diagonal 49256386.491196

Equilateral Triangle

Length = n
Perimeter 85314564
Area 3.5019059480932E+14
Altitude 24628193.245598

Triangular Pyramid

Length = n
Surface area 3.5019059480932E+14
Volume 2.7104382318427E+21
Height 13405890.386305