28291271 (number)

28291271 is an odd 8-digits composite number following 28291270 and preceding 28291272. In scientific notation, it is written as 2.8291271 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 27520000 positive integers (up to 28291271) that are relatively prime to 28291271.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8291271 × 10^7
Engineering notation 2.8291271 × 10^6

Prime Factorization of 28291271

Prime Factorization 41 × 1601 × 431

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28291271
Product of the distinct prime numbers

The prime factorization of 28291271 is 41 × 1601 × 431. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291271)

Multiplication

n×y
n×2 56582542
n×3 84873813
n×4 113165084
n×5 141456355

Division

n÷y
n÷2 14145635.5
n÷3 9430423.6666667
n÷3 7072817.75
n÷5 5658254.2

Exponentiation

ny
n2 800396014795441
n3 2.2644220561898E+22
n4 6.4063378050042E+29
n5 1.8124343895892E+37

Nth Root

y√n
2√n 5318.9539385108
3√n 304.70820789873
4√n 72.931158900095
5√n 30.926479972391

Divisors of 28291271

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28291270
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291271 can be divided by 8 positive divisors. The sum of these divisors (counting 28291271) is 1, the average is 0.125.

Base conversion 28291271

Base System Value
2 Binary 1101011111011000011000111
3 Ternary 1222020100022212
4 Quaternary 1223323003013
5 Quinary 24220310041
6 Senary 2450214035
8 Octal 153730307
10 Decimal 28291271
12 Duodecimal 958431b
16 Hexadecimal 1afb0c7
20 Vigesimal 8gg83b
36 Base36 gudon

Cryptographic Hash Functions

md5 c181344d5c605c8b3e4ab71820e2e3bd
sha1 d2b7d2d388e326a014707f2bb0b6c865f443a567
sha256 81d8a5269f000eb90528f1976cd9a315ceb6184c4b1f433b45016da5cf65498f
sha512 a6ce0744287e5fef75f54306cc04faf803145f1dfe45b80826002d87ee0202d5816a963371f4577a50c05f777a1cd9b2b4080634876d15df79d43b8e5ca5113e
ripemd-160 ff76cd330552e3fd61c1067fbafd3750a859e79f

28291271 as geometric shapes

Circle

Radius = n
Diameter 56582542
Circumference 177759298.26864
Area 2.5145182400439E+15

Sphere

Radius = n
Volume 9.48518892847E+22
Surface area 1.0058072960176E+16
Circumference 177759298.26864

Square

Length = n
Perimeter 113165084
Area 800396014795441
Diagonal 40009899.144973

Cube

Length = n
Surface area 4802376088772646
Volume 2.2644220561898E+22
Space diagonal 49001918.7827

Equilateral Triangle

Length = n
Perimeter 84873813
Area 3.4658164095034E+14
Altitude 24500959.39135

Triangular Pyramid

Length = n
Surface area 3.4658164095034E+14
Volume 2.668646985667E+21
Height 13336633.048324