28438305 (number)

28438305 is an odd 8-digits composite number following 28438304 and preceding 28438306. In scientific notation, it is written as 2.8438305 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13000320 positive integers (up to 28438305) that are relatively prime to 28438305.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand three hundred five

Notation

Scientific notation 2.8438305 × 10^7
Engineering notation 2.8438305 × 10^6

Prime Factorization of 28438305

Prime Factorization 3 × 5 × 7 × 270841

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28438305
Product of the distinct prime numbers

The prime factorization of 28438305 is 3 × 5 × 7 × 270841. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 96, 30, 410, 455, 5580, 8013, 12751, 81530, 465049, 41903, 7739269, 8562580, 65824026, 61338895, 857743987, 367391337, 2274734387, 5266769119

Basic calculations (n = 28438305)

Multiplication

n×y
n×2 56876610
n×3 85314915
n×4 113753220
n×5 142191525

Division

n÷y
n÷2 14219152.5
n÷3 9479435
n÷3 7109576.25
n÷5 5687661

Exponentiation

ny
n2 808737191273025
n3 2.2999114910266E+22
n4 6.5405584454818E+29
n5 1.8600239594294E+37

Nth Root

y√n
2√n 5332.7577293554
3√n 305.23516755008
4√n 73.025733336649
5√n 30.958559268805

Divisors of 28438305

1, 3, 5, 7, 15, 21, 35, 105, 270841, 812523, 1354205, 1895887, 4062615, 5687661, 9479435, 28438305

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438304
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438305 can be divided by 16 positive divisors. The sum of these divisors (counting 28438305) is 1, the average is 0.0625.

Base conversion 28438305

Base System Value
2 Binary 1101100011110111100100001
3 Ternary 1222111211000120
4 Quaternary 1230132330201
5 Quinary 24240011210
6 Senary 2453310453
8 Octal 154367441
10 Decimal 28438305
12 Duodecimal 9635429
16 Hexadecimal 1b1ef21
20 Vigesimal 8heff5
36 Base36 gxj4x

Cryptographic Hash Functions

md5 b836b9c0ec823d1a31c50e36d13da138
sha1 7cc165788356b81aa604bc067e3c7e5d8cf2da08
sha256 d0113fe785cb679f5531db0622f30ebd04960a9c31743a08726b169027fd2221
sha512 3ab91d5d2dd7959f1b41c6caa6a775825aad2d288c5424628add9c0d29b52f1a6ffb7be80f394b8b0b920811237d3bec8c2e75e82278e27d599ca1ce68a778eb
ripemd-160 e763c3eff48ff895ef3e940dad4e66f95c6ec233

28438305 as geometric shapes

Circle

Radius = n
Diameter 56876610
Circumference 178683140.13709
Area 2.5407228187882E+15

Sphere

Radius = n
Volume 9.6338467254877E+22
Surface area 1.0162891275153E+16
Circumference 178683140.13709

Square

Length = n
Perimeter 113753220
Area 808737191273025
Diagonal 40217836.621903

Cube

Length = n
Surface area 4852423147638150
Volume 2.2999114910266E+22
Space diagonal 49256589.14114

Equilateral Triangle

Length = n
Perimeter 85314915
Area 3.5019347631386E+14
Altitude 24628294.57057

Triangular Pyramid

Length = n
Surface area 3.5019347631386E+14
Volume 2.7104716857229E+21
Height 13405945.540634