28291857 (number)

28291857 is an odd 8-digits composite number following 28291856 and preceding 28291858. In scientific notation, it is written as 2.8291857 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 16843200 positive integers (up to 28291857) that are relatively prime to 28291857.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand eight hundred fifty-seven

Notation

Scientific notation 2.8291857 × 10^7
Engineering notation 2.8291857 × 10^6

Prime Factorization of 28291857

Prime Factorization 3 × 649 × 11 × 1321

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28291857
Product of the distinct prime numbers

The prime factorization of 28291857 is 3 × 649 × 11 × 1321. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291857)

Multiplication

n×y
n×2 56583714
n×3 84875571
n×4 113167428
n×5 141459285

Division

n÷y
n÷2 14145928.5
n÷3 9430619
n÷3 7072964.25
n÷5 5658371.4

Exponentiation

ny
n2 800429172508449
n3 2.2645627687237E+22
n4 6.4068686020256E+29
n5 1.812622103063E+37

Nth Root

y√n
2√n 5319.009024245
3√n 304.71031170166
4√n 72.931536554806
5√n 30.926608088

Divisors of 28291857

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 -28291856
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 28291857 can be divided by 16 positive divisors. The sum of these divisors (counting 28291857) is 1, the average is 0.0625.

Base conversion 28291857

Base System Value
2 Binary 1101011111011001100010001
3 Ternary 1222020101010120
4 Quaternary 1223323030101
5 Quinary 24220314412
6 Senary 2450220453
8 Octal 153731421
10 Decimal 28291857
12 Duodecimal 9584729
16 Hexadecimal 1afb311
20 Vigesimal 8gg9ch
36 Base36 gue4x

Cryptographic Hash Functions

md5 dfc107082a50a18da9e1da7342a49c9d
sha1 ac7eaeeb8cf45db9550a2731ca5502d01cc37c08
sha256 b43e634529c3d1bf29e0c2281249ed50010077c7490dd61956ed95c975fbca1a
sha512 e828e73463c2a44f6f583501ee8460cfa6894849cb129ebf5e9a4132da175e29c99f60d68d297af177bb409ff8c122f7d2bff20b77d68bdefe06776bae9e99e7
ripemd-160 78392621f6faa3dd87e1acae8b30d53118dba11a

28291857 as geometric shapes

Circle

Radius = n
Diameter 56583714
Circumference 177762980.21523
Area 2.5146224080715E+15

Sphere

Radius = n
Volume 9.4857783437539E+22
Surface area 1.0058489632286E+16
Circumference 177762980.21523

Square

Length = n
Perimeter 113167428
Area 800429172508449
Diagonal 40010727.87412

Cube

Length = n
Surface area 4802575035050694
Volume 2.2645627687237E+22
Space diagonal 49002933.764473

Equilateral Triangle

Length = n
Perimeter 84875571
Area 3.4659599866124E+14
Altitude 24501466.882237

Triangular Pyramid

Length = n
Surface area 3.4659599866124E+14
Volume 2.6688128169786E+21
Height 13336909.291373