28387637 (number)

28387637 is an odd 8-digits composite number following 28387636 and preceding 28387638. In scientific notation, it is written as 2.8387637 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 26717760 positive integers (up to 28387637) that are relatively prime to 28387637.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8387637 × 10^7
Engineering notation 2.8387637 × 10^6

Prime Factorization of 28387637

Prime Factorization 17 × 1669861

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28387637
Product of the distinct prime numbers

The prime factorization of 28387637 is 17 × 1669861. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 93, 88, 638, 471, 3475, 8962, 31658, 50008, 803939, 433225, 3982473, 8413805, 29646294, 45170201, 13981820, 266197715, 7737154050, 6326061791

Basic calculations (n = 28387637)

Multiplication

n×y
n×2 56775274
n×3 85162911
n×4 113550548
n×5 141938185

Division

n÷y
n÷2 14193818.5
n÷3 9462545.6666667
n÷3 7096909.25
n÷5 5677527.4

Exponentiation

ny
n2 805857934443769
n3 2.287640251656E+22
n4 6.4940701050598E+29
n5 1.8435130479499E+37

Nth Root

y√n
2√n 5328.0049737214
3√n 305.05378250705
4√n 72.993184433352
5√n 30.947519740383

Divisors of 28387637

1, 17, 1669861, 28387637

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28387636
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28387637 can be divided by 4 positive divisors. The sum of these divisors (counting 28387637) is 1, the average is 0.25.

Base conversion 28387637

Base System Value
2 Binary 1101100010010100100110101
3 Ternary 1222102020111222
4 Quaternary 1230102210311
5 Quinary 24231401022
6 Senary 2452240125
8 Octal 154224465
10 Decimal 28387637
12 Duodecimal 9610045
16 Hexadecimal 1b12935
20 Vigesimal 8h891h
36 Base36 gwg1h

Cryptographic Hash Functions

md5 d2a87a876ceee07a4e611f9cf2dbecf0
sha1 344f4bab97e634955ff06a10eda46b72ec0076ca
sha256 67245033403a2e114950f613a732958e1503367001a24bfa2ee5cbb71b583510
sha512 5991f2a1dfbe18cb9870589dd7665d4dc4679d8dfebbf78d4ee530214b79a4f71d8d1b39d8e5eea385367d878369bdc284dd23fe41f3d4b6f9ffcaadfd6b0724
ripemd-160 c1a20fb5443adc9d581d2b763112a866040d888f

28387637 as geometric shapes

Circle

Radius = n
Diameter 56775274
Circumference 178364783.70395
Area 2.5316773666856E+15

Sphere

Radius = n
Volume 9.5824450782115E+22
Surface area 1.0126709466742E+16
Circumference 178364783.70395

Square

Length = n
Perimeter 113550548
Area 805857934443769
Diagonal 40146181.249124

Cube

Length = n
Surface area 4835147606662614
Volume 2.287640251656E+22
Space diagonal 49168829.590822

Equilateral Triangle

Length = n
Perimeter 85162911
Area 3.4894672153478E+14
Altitude 24584414.795411

Triangular Pyramid

Length = n
Surface area 3.4894672153478E+14
Volume 2.6960098914354E+21
Height 13382060.416375