28440018 (number)

28440018 is an even 8-digits composite number following 28440017 and preceding 28440019. In scientific notation, it is written as 2.8440018 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 9479988 positive integers (up to 28440018) that are relatively prime to 28440018.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty thousand eighteen

Notation

Scientific notation 2.8440018 × 10^7
Engineering notation 2.8440018 × 10^6

Prime Factorization of 28440018

Prime Factorization 2 × 9 × 3 × 526667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28440018
Product of the distinct prime numbers

The prime factorization of 28440018 is 2 × 9 × 3 × 526667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28440018)

Multiplication

n×y
n×2 56880036
n×3 85320054
n×4 113760072
n×5 142200090

Division

n÷y
n÷2 14220009
n÷3 9480006
n÷3 7110004.5
n÷5 5688003.6

Exponentiation

ny
n2 808834623840324
n3 2.3003271261042E+22
n4 6.5421344872292E+29
n5 1.8605842257522E+37

Nth Root

y√n
2√n 5332.9183380209
3√n 305.24129610737
4√n 73.026833000076
5√n 30.958932221654

Divisors of 28440018

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 -28440017
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 28440018 can be divided by 16 positive divisors. The sum of these divisors (counting 28440018) is 1, the average is 0.0625.

Base conversion 28440018

Base System Value
2 Binary 1101100011111010111010010
3 Ternary 1222111220101000
4 Quaternary 1230133113102
5 Quinary 24240040033
6 Senary 2453322430
8 Octal 154372722
10 Decimal 28440018
12 Duodecimal 9636416
16 Hexadecimal 1b1f5d2
20 Vigesimal 8hf00i
36 Base36 gxkgi

Cryptographic Hash Functions

md5 c4f466f8bc474c9dba887b416e654d1e
sha1 54132c1c0cb3d8dd1afa7d07f6abad1dd4ac153d
sha256 83f9aac583d8e1aec45adaf0d2309730c2502594dff128832937d8e34bbfd5bd
sha512 ae04e98dca6734792d326b73c61d6f45e74a5e1314790017cfab69b2901a043b5ae9a3f59473d5b681466ce8197cbbcef30d23ad19f22b14969468c2d8302611
ripemd-160 9dbdf9c04a0b10e10a80b6de6dc4f33b9a73323a

28440018 as geometric shapes

Circle

Radius = n
Diameter 56880036
Circumference 178693903.23352
Area 2.5410289122258E+15

Sphere

Radius = n
Volume 9.6355877336297E+22
Surface area 1.0164115648903E+16
Circumference 178693903.23352

Square

Length = n
Perimeter 113760072
Area 808834623840324
Diagonal 40220259.169735

Cube

Length = n
Surface area 4853007743041944
Volume 2.3003271261042E+22
Space diagonal 49259556.144173

Equilateral Triangle

Length = n
Perimeter 85320054
Area 3.5023566585308E+14
Altitude 24629778.072087

Triangular Pyramid

Length = n
Surface area 3.5023566585308E+14
Volume 2.7109615163594E+21
Height 13406753.056578