12815 (number)

12815 is an odd 5-digits composite number following 12814 and preceding 12816. In scientific notation, it is written as 1.2815 × 10^4. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 9280 positive integers (up to 12815) that are relatively prime to 12815.

Interesting facts

Basic properties

Name

Name twelve thousand eight hundred fifteen

Notation

Scientific notation 1.2815 × 10^4
Engineering notation 1.2815 × 10^3

Prime Factorization of 12815

Prime Factorization 5 × 11 × 233

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12815
Product of the distinct prime numbers

The prime factorization of 12815 is 5 × 11 × 233. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 64, 2, 197, 887, 5567, 9649, 25670, 79652, 649919, 614644, 7085429, 5371901, 75673168, 38386325, 948835901, 358582862, 9716321151, 4157328974

Basic calculations (n = 12815)

Multiplication

n×y
n×2 25630
n×3 38445
n×4 51260
n×5 64075

Division

n÷y
n÷2 6407.5
n÷3 4271.6666666667
n÷3 3203.75
n÷5 2563

Exponentiation

ny
n2 164224225
n3 2104533443375
n4 26969596076850625
n5 3.4561537372484E+20

Nth Root

y√n
2√n 113.20335684069
3√n 23.401275894099
4√n 10.639706614408
5√n 6.6304609572387

Divisors of 12815

1, 5, 11, 55, 233, 1165, 2563, 12815

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 -12814
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 12815 can be divided by 8 positive divisors. The sum of these divisors (counting 12815) is 1, the average is 0.125.

Base conversion 12815

Base System Value
2 Binary 11001000001111
3 Ternary 122120122
4 Quaternary 3020033
5 Quinary 402230
6 Senary 135155
8 Octal 31017
10 Decimal 12815
12 Duodecimal 74bb
16 Hexadecimal 320f
20 Vigesimal 1c0f
36 Base36 9vz

Cryptographic Hash Functions

md5 a48de938587144be6be3b95682b5b948
sha1 e560bbcd3fefae30e87a575c78857ae0c71b3a28
sha256 b29e466d3f1c2abd49e2137cc67e094885e64fe31af00216eeb47c41e2118233
sha512 2768300d3d687baa8eaa53bb73395c7fed6f53ddd4c3014dd8f1323b6a282f83d1d1aaf5ea763a63b24cfc61ce11e220b961a5c56ad74adac54e508531ca1bfd
ripemd-160 13075081a77bdbc0e2b48e67efbc80f8a3487acc

12815 as geometric shapes

Circle

Radius = n
Diameter 25630
Circumference 80519.019711506
Area 515925618.80148

Sphere

Radius = n
Volume 8815449073254.6
Surface area 2063702475.2059
Circumference 80519.019711506

Square

Length = n
Perimeter 51260
Area 164224225
Diagonal 18123.146801811

Cube

Length = n
Surface area 985345350
Volume 2104533443375
Space diagonal 22196.231098995

Equilateral Triangle

Length = n
Perimeter 38445
Area 71111175.383406
Altitude 11098.115549498

Triangular Pyramid

Length = n
Surface area 71111175.383406
Volume 248021644840.72
Height 6041.0489339371