28756688 (number)

28756688 is an even 8-digits composite number following 28756687 and preceding 28756689. In scientific notation, it is written as 2.8756688 × 10^7. The sum of its digits is 50. It has a total of 5 prime factors and 10 positive divisors. There are 14378336 positive integers (up to 28756688) that are relatively prime to 28756688.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-six thousand six hundred eighty-eight

Notation

Scientific notation 2.8756688 × 10^7
Engineering notation 2.8756688 × 10^6

Prime Factorization of 28756688

Prime Factorization 2 × 2 × 2 × 2 × 1797293

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3594586
Product of the distinct prime numbers

The prime factorization of 28756688 is 2 × 2 × 2 × 2 × 1797293. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28756688)

Multiplication

n×y
n×2 57513376
n×3 86270064
n×4 115026752
n×5 143783440

Division

n÷y
n÷2 14378344
n÷3 9585562.6666667
n÷3 7189172
n÷5 5751337.6

Exponentiation

ny
n2 826947104729344
n3 2.3780259883205E+22
n4 6.8384151402024E+29
n5 1.9665017060128E+37

Nth Root

y√n
2√n 5362.5262703319
3√n 306.37003663209
4√n 73.229271950033
5√n 31.027570644322

Divisors of 28756688

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28756687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28756688 can be divided by 10 positive divisors. The sum of these divisors (counting 28756688) is 1, the average is 0.1.

Base conversion 28756688

Base System Value
2 Binary 1101101101100101011010000
3 Ternary 2000002222202112
4 Quaternary 1231230223100
5 Quinary 24330203223
6 Senary 2504204452
8 Octal 155545320
10 Decimal 28756688
12 Duodecimal 9769728
16 Hexadecimal 1b6cad0
20 Vigesimal 8jebe8
36 Base36 h4csw

Cryptographic Hash Functions

md5 1c941dc8587ef0ed562e62d068cda2a2
sha1 ffc4e02a5db7c988dde967a9d77fd2c6360c00e5
sha256 bd4cef5e12047c00272a3002fe258b48b2027dc0be80514fb22847d7d56b4693
sha512 0e315da4a6288f68992cb49f402526df0211fe7c29e746807566e357968313a787881635abda724277ffd599df3eb15cf4a2c86f8c2fb54bb89038770886e05c
ripemd-160 54594aff01217b75af48b7006b1e201937631637

28756688 as geometric shapes

Circle

Radius = n
Diameter 57513376
Circumference 180683599.52475
Area 2.5979309491251E+15

Sphere

Radius = n
Volume 9.9610519666044E+22
Surface area 1.03917237965E+16
Circumference 180683599.52475

Square

Length = n
Perimeter 115026752
Area 826947104729344
Diagonal 40668098.178532

Cube

Length = n
Surface area 4961682628376064
Volume 2.3780259883205E+22
Space diagonal 49808044.673406

Equilateral Triangle

Length = n
Perimeter 86270064
Area 3.580786001408E+14
Altitude 24904022.336703

Triangular Pyramid

Length = n
Surface area 3.580786001408E+14
Volume 2.8025305036321E+21
Height 13556032.726177