28487445 (number)

28487445 is an odd 8-digits composite number following 28487444 and preceding 28487446. In scientific notation, it is written as 2.8487445 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 12883968 positive integers (up to 28487445) that are relatively prime to 28487445.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred eighty-seven thousand four hundred forty-five

Notation

Scientific notation 2.8487445 × 10^7
Engineering notation 2.8487445 × 10^6

Prime Factorization of 28487445

Prime Factorization 3 × 35 × 97 × 2797

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28487445
Product of the distinct prime numbers

The prime factorization of 28487445 is 3 × 35 × 97 × 2797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 22, 7, 111, 803, 3754, 5475, 7821, 7060, 644778, 290421, 6792747, 1302714, 66783401, 87945538, 86502035, 875372791, 2007404097, 2989069354

Basic calculations (n = 28487445)

Multiplication

n×y
n×2 56974890
n×3 85462335
n×4 113949780
n×5 142437225

Division

n÷y
n÷2 14243722.5
n÷3 9495815
n÷3 7121861.25
n÷5 5697489

Exponentiation

ny
n2 811534522628025
n3 2.3118545078967E+22
n4 6.585882814171E+29
n5 1.8761497444514E+37

Nth Root

y√n
2√n 5337.3631129988
3√n 305.41087686293
4√n 73.057259139655
5√n 30.96925085676

Divisors of 28487445

1, 3, 35, 97, 105, 291, 2797, 3395, 8391, 10185, 97895, 271309, 293685, 813927, 9495815, 28487445

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 -28487444
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 28487445 can be divided by 16 positive divisors. The sum of these divisors (counting 28487445) is 1, the average is 0.0625.

Base conversion 28487445

Base System Value
2 Binary 1101100101010111100010101
3 Ternary 1222121022102120
4 Quaternary 1230222330111
5 Quinary 24243044240
6 Senary 2454330153
8 Octal 154527425
10 Decimal 28487445
12 Duodecimal 9659959
16 Hexadecimal 1b2af15
20 Vigesimal 8i0ic5
36 Base36 gyl1x

Cryptographic Hash Functions

md5 d1c498e93b4464b8095f01e1892bc11b
sha1 ae8244affe2346565732bb08dcee42a726e999d1
sha256 d9452892cfaf6cd884b95d2ed9d2a868f9c580d9bdc7d4d5d3b48481fe11968e
sha512 d98adf7f75d4e0ca1513083c6bfae0ab6beb51808feed231dd23a501e49425a6546cf6a67ae62d49e4b6d4bfee48bb0cfa89f967162e9a19232ce23bcfc5c497
ripemd-160 3dd4a56f6bb523f78f9942b5d3c898ca3436b72f

28487445 as geometric shapes

Circle

Radius = n
Diameter 56974890
Circumference 178991895.86309
Area 2.5495108944227E+15

Sphere

Radius = n
Volume 9.683873517569E+22
Surface area 1.0198043577691E+16
Circumference 178991895.86309

Square

Length = n
Perimeter 113949780
Area 811534522628025
Diagonal 40287331.076358

Cube

Length = n
Surface area 4869207135768150
Volume 2.3118545078967E+22
Space diagonal 49341702.117824

Equilateral Triangle

Length = n
Perimeter 85462335
Area 3.5140475632197E+14
Altitude 24670851.058912

Triangular Pyramid

Length = n
Surface area 3.5140475632197E+14
Volume 2.7245466660841E+21
Height 13429110.358786