13087 (number)

13087 is an odd 5-digits composite number following 13086 and preceding 13088. In scientific notation, it is written as 1.3087 × 10^4. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 12496 positive integers (up to 13087) that are relatively prime to 13087.

Interesting facts

Basic properties

Name

Name thirteen thousand eighty-seven

Notation

Scientific notation 1.3087 × 10^4
Engineering notation 1.3087 × 10^3

Prime Factorization of 13087

Prime Factorization 23 × 569

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13087
Product of the distinct prime numbers

The prime factorization of 13087 is 23 × 569. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 5, 52, 40, 468, 325, 1734, 189, 27411, 44031, 725661, 70541, 3985469, 7813581, 21827002, 23861910, 666013299, 288900335, 5678200594, 5176302179

Basic calculations (n = 13087)

Multiplication

n×y
n×2 26174
n×3 39261
n×4 52348
n×5 65435

Division

n÷y
n÷2 6543.5
n÷3 4362.3333333333
n÷3 3271.75
n÷5 2617.4

Exponentiation

ny
n2 171269569
n3 2241404849503
n4 29333265265445761
n5 3.8388444252889E+20

Nth Root

y√n
2√n 114.39842656261
3√n 23.565683150835
4√n 10.695720011416
5√n 6.6583714658964

Divisors of 13087

1, 23, 569, 13087

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 -13086
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 13087 can be divided by 4 positive divisors. The sum of these divisors (counting 13087) is 1, the average is 0.25.

Base conversion 13087

Base System Value
2 Binary 11001100011111
3 Ternary 122221201
4 Quaternary 3030133
5 Quinary 404322
6 Senary 140331
8 Octal 31437
10 Decimal 13087
12 Duodecimal 76a7
16 Hexadecimal 331f
20 Vigesimal 1ce7
36 Base36 a3j

Cryptographic Hash Functions

md5 25e1cacca4ed260e758af5d015088139
sha1 775889c615d3bd7f826240762bc26526a8c10c0d
sha256 e85d695e366e8e4be298dcb8c0d580534420e515c3a0117098c3200fe54f5925
sha512 a75296b26360211de9f8164ce22ae06d51c307e91bd8a3c89875f4c6c992872249344c620c6c812b276aec1299f12d0460264af3d9d4bc936780bb53eadaa081
ripemd-160 c1c3605f648390532993c8cc1d73e72834b7b3fc

13087 as geometric shapes

Circle

Radius = n
Diameter 26174
Circumference 82228.046115059
Area 538059219.75389

Sphere

Radius = n
Volume 9388774678558.9
Surface area 2152236879.0156
Circumference 82228.046115059

Square

Length = n
Perimeter 52348
Area 171269569
Diagonal 18507.812890777

Cube

Length = n
Surface area 1027617414
Volume 2241404849503
Space diagonal 22667.348918654

Equilateral Triangle

Length = n
Perimeter 39261
Area 74161898.824606
Altitude 11333.674459327

Triangular Pyramid

Length = n
Surface area 74161898.824606
Volume 264152094744.66
Height 6169.2709635922