28688743 (number)

28688743 is an odd 8-digits composite number following 28688742 and preceding 28688744. In scientific notation, it is written as 2.8688743 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 27619200 positive integers (up to 28688743) that are relatively prime to 28688743.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-eight thousand seven hundred forty-three

Notation

Scientific notation 2.8688743 × 10^7
Engineering notation 2.8688743 × 10^6

Prime Factorization of 28688743

Prime Factorization 29 × 401 × 2467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28688743
Product of the distinct prime numbers

The prime factorization of 28688743 is 29 × 401 × 2467. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 38, 72, 859, 205, 6538, 8750, 10105, 57377, 809947, 513789, 9519450, 831812, 57592808, 30762726, 130132958, 187582290, 7799477254, 7780177040

Basic calculations (n = 28688743)

Multiplication

n×y
n×2 57377486
n×3 86066229
n×4 114754972
n×5 143443715

Division

n÷y
n÷2 14344371.5
n÷3 9562914.3333333
n÷3 7172185.75
n÷5 5737748.6

Exponentiation

ny
n2 823043974920049
n3 2.361209707418E+22
n4 6.7740138465219E+29
n5 1.9433794232131E+37

Nth Root

y√n
2√n 5356.1873566932
3√n 306.12855392835
4√n 73.185977869351
5√n 31.012894659726

Divisors of 28688743

1, 29, 401, 2467, 11629, 71543, 989267, 28688743

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 -28688742
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 28688743 can be divided by 8 positive divisors. The sum of these divisors (counting 28688743) is 1, the average is 0.125.

Base conversion 28688743

Base System Value
2 Binary 1101101011100000101100111
3 Ternary 1222222112120001
4 Quaternary 1231130011213
5 Quinary 24321014433
6 Senary 2502522131
8 Octal 155340547
10 Decimal 28688743
12 Duodecimal 9736347
16 Hexadecimal 1b5c167
20 Vigesimal 8j61h3
36 Base36 h2wdj

Cryptographic Hash Functions

md5 53492b500c61f42666e86f311dd1bcf8
sha1 65273ff89a0c7d2cac7707a175191a82952c4a33
sha256 f3b60831748496028b85247033107c913ac895b5c009515f99ff028dda123c00
sha512 38b9b89fefffb1e7bbef100475339085abff83bc72c036830e7d4ff447edd1893ba55aecbde4e2cee686a518c19cfc20901aa84d1b602a81b4367671b151a19d
ripemd-160 fc3c8d4e4176b640910774fd2eba5ba7116d0fc9

28688743 as geometric shapes

Circle

Radius = n
Diameter 57377486
Circumference 180256688.49905
Area 2.5856689051902E+15

Sphere

Radius = n
Volume 9.8906120938789E+22
Surface area 1.0342675620761E+16
Circumference 180256688.49905

Square

Length = n
Perimeter 114754972
Area 823043974920049
Diagonal 40572009.438036

Cube

Length = n
Surface area 4938263849520294
Volume 2.361209707418E+22
Space diagonal 49690360.481286

Equilateral Triangle

Length = n
Perimeter 86066229
Area 3.5638849535624E+14
Altitude 24845180.240643

Triangular Pyramid

Length = n
Surface area 3.5638849535624E+14
Volume 2.7827123265313E+21
Height 13524003.146012