28687530 (number)

28687530 is an even 8-digits composite number following 28687529 and preceding 28687531. In scientific notation, it is written as 2.8687530 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 7247232 positive integers (up to 28687530) that are relatively prime to 28687530.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687530 × 10^7
Engineering notation 2.8687530 × 10^6

Prime Factorization of 28687530

Prime Factorization 2 × 285 × 50329

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28687530
Product of the distinct prime numbers

The prime factorization of 28687530 is 2 × 285 × 50329. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 99, 62, 683, 795, 10000, 8474, 27076, 13579, 307030, 205393, 4259040, 5698033, 59080068, 22604660, 4688330, 871985772, 7004567260, 9492967896

Basic calculations (n = 28687530)

Multiplication

n×y
n×2 57375060
n×3 86062590
n×4 114750120
n×5 143437650

Division

n÷y
n÷2 14343765
n÷3 9562510
n÷3 7171882.5
n÷5 5737506

Exponentiation

ny
n2 822974377500900
n3 2.3609102143788E+22
n4 6.7728682602299E+29
n5 1.9429686140139E+37

Nth Root

y√n
2√n 5356.0741219666
3√n 306.1242393537
4√n 73.185204255823
5√n 31.012632401617

Divisors of 28687530

1, 2, 285, 570, 50329, 100658, 14343765, 28687530

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 -28687529
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 28687530 can be divided by 8 positive divisors. The sum of these divisors (counting 28687530) is 1, the average is 0.125.

Base conversion 28687530

Base System Value
2 Binary 1101101011011110010101010
3 Ternary 1222222110220010
4 Quaternary 1231123302222
5 Quinary 24321000110
6 Senary 2502512350
8 Octal 155336252
10 Decimal 28687530
12 Duodecimal 97356b6
16 Hexadecimal 1b5bcaa
20 Vigesimal 8j5iga
36 Base36 h2vfu

Cryptographic Hash Functions

md5 3bb8d6df96215afada3a3d147815497f
sha1 6476f06c392eff9736e1ae90d9cf3ca9e08038b7
sha256 96fb888878d2784d5b6ef192c9f5205571a0a1b6e10ff55a96789da64411e80e
sha512 1326d1f52c5385e0a89032fdced4c31d0710033534a7c1414ecb1be96ca47dbb8a193c6dd1526583910aafcb5e650446ba6ec141e059683b270a269d34988e0d
ripemd-160 2ab3f136ba55f1f621750bdc17f08b3a350559bc

28687530 as geometric shapes

Circle

Radius = n
Diameter 57375060
Circumference 180249066.99527
Area 2.5854502584495E+15

Sphere

Radius = n
Volume 9.8893575803702E+22
Surface area 1.0341801033798E+16
Circumference 180249066.99527

Square

Length = n
Perimeter 114750120
Area 822974377500900
Diagonal 40570293.996985

Cube

Length = n
Surface area 4937846265005400
Volume 2.3609102143788E+22
Space diagonal 49688259.503656

Equilateral Triangle

Length = n
Perimeter 86062590
Area 3.5635835878973E+14
Altitude 24844129.751828

Triangular Pyramid

Length = n
Surface area 3.5635835878973E+14
Volume 2.7823593705998E+21
Height 13523431.332328