28105712 (number)

28105712 is an even 8-digits composite number following 28105711 and preceding 28105713. In scientific notation, it is written as 2.8105712 × 10^7. The sum of its digits is 26. It has a total of 7 prime factors and 40 positive divisors. There are 13079232 positive integers (up to 28105712) that are relatively prime to 28105712.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred five thousand seven hundred twelve

Notation

Scientific notation 2.8105712 × 10^7
Engineering notation 2.8105712 × 10^6

Prime Factorization of 28105712

Prime Factorization 2 × 2 × 2 × 2 × 19 × 59 × 1567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3513214
Product of the distinct prime numbers

The prime factorization of 28105712 is 2 × 2 × 2 × 2 × 19 × 59 × 1567. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28105712)

Multiplication

n×y
n×2 56211424
n×3 84317136
n×4 112422848
n×5 140528560

Division

n÷y
n÷2 14052856
n÷3 9368570.6666667
n÷3 7026428
n÷5 5621142.4

Exponentiation

ny
n2 789931047026944
n3 2.2201574507598E+22
n4 6.2399105905708E+29
n5 1.7537712996433E+37

Nth Root

y√n
2√n 5301.4820569346
3√n 304.04056476237
4√n 72.811276990138
5√n 30.885804514871

Divisors of 28105712

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28105711
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28105712 can be divided by 40 positive divisors. The sum of these divisors (counting 28105712) is 1, the average is 0.025.

Base conversion 28105712

Base System Value
2 Binary 1101011001101101111110000
3 Ternary 1221212220210022
4 Quaternary 1223031233300
5 Quinary 24143340322
6 Senary 2442223012
8 Octal 153155760
10 Decimal 28105712
12 Duodecimal 94b4a68
16 Hexadecimal 1acdbf0
20 Vigesimal 8fd45c
36 Base36 gqei8

Cryptographic Hash Functions

md5 5d9ef4325c1721c73fc9525d9783a2e4
sha1 fb7558396a2268c5a34a265564b0c9d7e13c17f1
sha256 1fdbf53fb05bd383641ab79224d23f732a1e4f8dd44944779f9f931a92e7e645
sha512 9f8a2b7af9e1f9adcbf4320da2d2fd0ddbe99c2be22130925c18be73d613d5c1ec6bb60b25c46cff27583654d2687acb1fac2b4c834e9172fcee3b5eb1091572
ripemd-160 ec46f4dca7c5e8b14c4ffaa8bd8bae8f36afeaf4

28105712 as geometric shapes

Circle

Radius = n
Diameter 56211424
Circumference 176593396.68622
Area 2.4816415741823E+15

Sphere

Radius = n
Volume 9.2997737828261E+22
Surface area 9.9265662967294E+15
Circumference 176593396.68622

Square

Length = n
Perimeter 112422848
Area 789931047026944
Diagonal 39747479.090552

Cube

Length = n
Surface area 4739586282161664
Volume 2.2201574507598E+22
Space diagonal 48680521.166898

Equilateral Triangle

Length = n
Perimeter 84317136
Area 3.4205017698169E+14
Altitude 24340260.583449

Triangular Pyramid

Length = n
Surface area 3.4205017698169E+14
Volume 2.6164806478901E+21
Height 13249159.696851