28291288 (number)

28291288 is an even 8-digits composite number following 28291287 and preceding 28291289. In scientific notation, it is written as 2.8291288 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors. There are 13530528 positive integers (up to 28291288) that are relatively prime to 28291288.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand two hundred eighty-eight

Notation

Scientific notation 2.8291288 × 10^7
Engineering notation 2.8291288 × 10^6

Prime Factorization of 28291288

Prime Factorization 2 × 2 × 2 × 23 × 153757

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7072822
Product of the distinct prime numbers

The prime factorization of 28291288 is 2 × 2 × 2 × 23 × 153757. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291288)

Multiplication

n×y
n×2 56582576
n×3 84873864
n×4 113165152
n×5 141456440

Division

n÷y
n÷2 14145644
n÷3 9430429.3333333
n÷3 7072822
n÷5 5658257.6

Exponentiation

ny
n2 800396976698944
n3 2.2644261382119E+22
n4 6.4063532030881E+29
n5 1.8124398349829E+37

Nth Root

y√n
2√n 5318.9555365692
3√n 304.70826893096
4√n 72.931169856031
5√n 30.926483689085

Divisors of 28291288

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 -28291287
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 28291288 can be divided by 16 positive divisors. The sum of these divisors (counting 28291288) is 1, the average is 0.0625.

Base conversion 28291288

Base System Value
2 Binary 1101011111011000011011000
3 Ternary 1222020100100111
4 Quaternary 1223323003120
5 Quinary 24220310123
6 Senary 2450214104
8 Octal 153730330
10 Decimal 28291288
12 Duodecimal 9584334
16 Hexadecimal 1afb0d8
20 Vigesimal 8gg848
36 Base36 gudp4

Cryptographic Hash Functions

md5 13c68f0a87bff0707f29a7561bc1d651
sha1 98bdc119e4420e24d27e1d185b69b3d8650cdb0d
sha256 e5e6507b2533d881156dc8f08f9e54ecfbf317973fcf7b9d3b63febd9feeaad2
sha512 8dd1c4761021502ae138e646d76a2fcd77cebbd19c0e88a849d44000d55a831c8bd808ecf89a36562857658c394ddbaf6eeb680012ae41d749cffd6809454333
ripemd-160 7b670731ea63c9d73bdf9f9f08e76dd4646c47ee

28291288 as geometric shapes

Circle

Radius = n
Diameter 56582576
Circumference 177759405.08279
Area 2.5145212619529E+15

Sphere

Radius = n
Volume 9.4852060272043E+22
Surface area 1.0058085047812E+16
Circumference 177759405.08279

Square

Length = n
Perimeter 113165152
Area 800396976698944
Diagonal 40009923.186603

Cube

Length = n
Surface area 4802381860193664
Volume 2.2644261382119E+22
Space diagonal 49001948.227564

Equilateral Triangle

Length = n
Perimeter 84873864
Area 3.4658205746677E+14
Altitude 24500974.113782

Triangular Pyramid

Length = n
Surface area 3.4658205746677E+14
Volume 2.6686517963762E+21
Height 13336641.062201