28105742 (number)

28105742 is an even 8-digits composite number following 28105741 and preceding 28105743. In scientific notation, it is written as 2.8105742 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 12045312 positive integers (up to 28105742) that are relatively prime to 28105742.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred five thousand seven hundred forty-two

Notation

Scientific notation 2.8105742 × 10^7
Engineering notation 2.8105742 × 10^6

Prime Factorization of 28105742

Prime Factorization 2 × 7 × 2007553

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28105742
Product of the distinct prime numbers

The prime factorization of 28105742 is 2 × 7 × 2007553. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28105742)

Multiplication

n×y
n×2 56211484
n×3 84317226
n×4 112422968
n×5 140528710

Division

n÷y
n÷2 14052871
n÷3 9368580.6666667
n÷3 7026435.5
n÷5 5621148.4

Exponentiation

ny
n2 789932733370564
n3 2.2201645601468E+22
n4 6.2399372325029E+29
n5 1.7537806595292E+37

Nth Root

y√n
2√n 5301.4848863314
3√n 304.04067293983
4√n 72.811296419796
5√n 30.885811108362

Divisors of 28105742

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 -28105741
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 28105742 can be divided by 8 positive divisors. The sum of these divisors (counting 28105742) is 1, the average is 0.125.

Base conversion 28105742

Base System Value
2 Binary 1101011001101110000001110
3 Ternary 1221212220211102
4 Quaternary 1223031300032
5 Quinary 24143340432
6 Senary 2442223102
8 Octal 153156016
10 Decimal 28105742
12 Duodecimal 94b4a92
16 Hexadecimal 1acdc0e
20 Vigesimal 8fd472
36 Base36 gqej2

Cryptographic Hash Functions

md5 b29f2f37552e20dac5d8bdf1d525aad1
sha1 2ac46b21a018782f10dfcff89ec601284ba9e8e9
sha256 9f0c0d5aaaddc41ed1a0a401074a8e9933b8b40dde442a8c67f6d2f298239845
sha512 f40f9d551fc19e8f47ecf4f2938cadbf0b2dd58e1fb47970d2241d87f539fe38e869ea244f85bc23c2eae2186422ef1b8c9d86fb4cea89aac4086a09b21af5e2
ripemd-160 4d0cf18ae9a49b7e1a0b80858a93f66b7d8cb39b

28105742 as geometric shapes

Circle

Radius = n
Diameter 56211484
Circumference 176593585.18178
Area 2.4816468719871E+15

Sphere

Radius = n
Volume 9.2998035625567E+22
Surface area 9.9265874879483E+15
Circumference 176593585.18178

Square

Length = n
Perimeter 112422968
Area 789932733370564
Diagonal 39747521.516959

Cube

Length = n
Surface area 4739596400223384
Volume 2.2201645601468E+22
Space diagonal 48680573.128423

Equilateral Triangle

Length = n
Perimeter 84317226
Area 3.4205090718989E+14
Altitude 24340286.564211

Triangular Pyramid

Length = n
Surface area 3.4205090718989E+14
Volume 2.6164890263831E+21
Height 13249173.838986