28438243 (number)

28438243 is an odd 8-digits composite number following 28438242 and preceding 28438244. In scientific notation, it is written as 2.8438243 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 27833128 positive integers (up to 28438243) that are relatively prime to 28438243.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand two hundred forty-three

Notation

Scientific notation 2.8438243 × 10^7
Engineering notation 2.8438243 × 10^6

Prime Factorization of 28438243

Prime Factorization 47 × 605069

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28438243
Product of the distinct prime numbers

The prime factorization of 28438243 is 47 × 605069. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28438243)

Multiplication

n×y
n×2 56876486
n×3 85314729
n×4 113752972
n×5 142191215

Division

n÷y
n÷2 14219121.5
n÷3 9479414.3333333
n÷3 7109560.75
n÷5 5687648.6

Exponentiation

ny
n2 808733664927049
n3 2.2998964485476E+22
n4 6.5405014078634E+29
n5 1.8600036837866E+37

Nth Root

y√n
2√n 5332.7519162249
3√n 305.23494572962
4√n 73.025693534706
5√n 30.958545769883

Divisors of 28438243

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 -28438242
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 28438243 can be divided by 4 positive divisors. The sum of these divisors (counting 28438243) is 1, the average is 0.25.

Base conversion 28438243

Base System Value
2 Binary 1101100011110111011100011
3 Ternary 1222111210221021
4 Quaternary 1230132323203
5 Quinary 24240010433
6 Senary 2453310311
8 Octal 154367343
10 Decimal 28438243
12 Duodecimal 9635397
16 Hexadecimal 1b1eee3
20 Vigesimal 8hefc3
36 Base36 gxj37

Cryptographic Hash Functions

md5 eaaa422fb92e238613b327cb57ac384a
sha1 ffa93b9e7efa31a7f098ef227211d17d573ffa8c
sha256 b5d3928733f498d1be20df7ed7b333b4522514d175d0a4654821347467ac9f3c
sha512 bd7941eba65f4d0241cbc5924701594e744045b091c988c5ee437c36fb4d477695134b34e25c2c0bdeb07a2c6b160ada410a46d3f2be52f6ec3e9d3d2a6f37cc
ripemd-160 4187e0cba4a44f26bf0ad52274c34472af7aee34

28438243 as geometric shapes

Circle

Radius = n
Diameter 56876486
Circumference 178682750.5796
Area 2.5407117404456E+15

Sphere

Radius = n
Volume 9.6337837156992E+22
Surface area 1.0162846961782E+16
Circumference 178682750.5796

Square

Length = n
Perimeter 113752972
Area 808733664927049
Diagonal 40217748.940662

Cube

Length = n
Surface area 4852401989562294
Volume 2.2998964485476E+22
Space diagonal 49256481.75399

Equilateral Triangle

Length = n
Perimeter 85314729
Area 3.5019194936126E+14
Altitude 24628240.876995

Triangular Pyramid

Length = n
Surface area 3.5019194936126E+14
Volume 2.7104539579914E+21
Height 13405916.313554