28687065 (number)

28687065 is an odd 8-digits composite number following 28687064 and preceding 28687066. In scientific notation, it is written as 2.8687065 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 13908800 positive integers (up to 28687065) that are relatively prime to 28687065.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687065 × 10^7
Engineering notation 2.8687065 × 10^6

Prime Factorization of 28687065

Prime Factorization 3 × 5 × 11 × 173861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28687065
Product of the distinct prime numbers

The prime factorization of 28687065 is 3 × 5 × 11 × 173861. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 29, 81, 641, 431, 4624, 3024, 17264, 8911, 532522, 499177, 2832375, 1625260, 44933602, 15587697, 620562252, 613924723, 2217614802, 6290941895

Basic calculations (n = 28687065)

Multiplication

n×y
n×2 57374130
n×3 86061195
n×4 114748260
n×5 143435325

Division

n÷y
n÷2 14343532.5
n÷3 9562355
n÷3 7171766.25
n÷5 5737413

Exponentiation

ny
n2 822947698314225
n3 2.3607954113141E+22
n4 6.7724291416068E+29
n5 1.9428111499317E+37

Nth Root

y√n
2√n 5356.0307131308
3√n 306.12258534189
4√n 73.184907686836
5√n 31.012531863386

Divisors of 28687065

1, 3, 5, 11, 15, 33, 55, 165, 173861, 521583, 869305, 1912471, 2607915, 5737413, 9562355, 28687065

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 -28687064
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 28687065 can be divided by 16 positive divisors. The sum of these divisors (counting 28687065) is 1, the average is 0.0625.

Base conversion 28687065

Base System Value
2 Binary 1101101011011101011011001
3 Ternary 1222222110020220
4 Quaternary 1231123223121
5 Quinary 24320441230
6 Senary 2502510253
8 Octal 155335331
10 Decimal 28687065
12 Duodecimal 9735389
16 Hexadecimal 1b5bad9
20 Vigesimal 8j5hd5
36 Base36 h2v2x

Cryptographic Hash Functions

md5 e18d03f0f5e11bc25de34b0c35c37e63
sha1 371bd600ad4a9f2a6434f00ebb3d8802693a5330
sha256 a7dbbbacb8633aa0336042930746bfd889fc45346545686f6e4b865c02cd7735
sha512 9096d51fd302ba03dd48e16153de45acc929ae9b7661d404800908f3921a262020140d82f8908c235d3bdcc85cee4eba3ab18e8971605ddf10351d0865fa0f20
ripemd-160 3332eb30d7726c42ec2712f1aa20d0114e2d6817

28687065 as geometric shapes

Circle

Radius = n
Diameter 57374130
Circumference 180246145.31411
Area 2.5853664433126E+15

Sphere

Radius = n
Volume 9.888876694417E+22
Surface area 1.034146577325E+16
Circumference 180246145.31411

Square

Length = n
Perimeter 114748260
Area 822947698314225
Diagonal 40569636.387679

Cube

Length = n
Surface area 4937686189885350
Volume 2.3607954113141E+22
Space diagonal 49687454.100031

Equilateral Triangle

Length = n
Perimeter 86061195
Area 3.5634680636303E+14
Altitude 24843727.050015

Triangular Pyramid

Length = n
Surface area 3.5634680636303E+14
Volume 2.7822240738904E+21
Height 13523212.129226