13815 (number)

13815 is an odd 5-digits composite number following 13814 and preceding 13816. In scientific notation, it is written as 1.3815 × 10^4. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 7344 positive integers (up to 13815) that are relatively prime to 13815.

Interesting facts

Basic properties

Name

Name thirteen thousand eight hundred fifteen

Notation

Scientific notation 1.3815 × 10^4
Engineering notation 1.3815 × 10^3

Prime Factorization of 13815

Prime Factorization 9 × 5 × 307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 13815
Product of the distinct prime numbers

The prime factorization of 13815 is 9 × 5 × 307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 5, 93, 278, 20, 792, 5234, 74999, 57528, 441889, 158790, 2388039, 263235, 15148116, 68663498, 479308956, 215836106, 583938174, 4732744738

Basic calculations (n = 13815)

Multiplication

n×y
n×2 27630
n×3 41445
n×4 55260
n×5 69075

Division

n÷y
n÷2 6907.5
n÷3 4605
n÷3 3453.75
n÷5 2763

Exponentiation

ny
n2 190854225
n3 2636651118375
n4 36425335200350625
n5 5.0321600579284E+20

Nth Root

y√n
2√n 117.53722814496
3√n 23.994790535977
4√n 10.84145876462
5√n 6.7308541168683

Divisors of 13815

1, 5, 9, 45, 307, 1535, 2763, 13815

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 -13814
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 13815 can be divided by 8 positive divisors. The sum of these divisors (counting 13815) is 1, the average is 0.125.

Base conversion 13815

Base System Value
2 Binary 11010111110111
3 Ternary 200221200
4 Quaternary 3113313
5 Quinary 420230
6 Senary 143543
8 Octal 32767
10 Decimal 13815
12 Duodecimal 7bb3
16 Hexadecimal 35f7
20 Vigesimal 1eaf
36 Base36 anr

Cryptographic Hash Functions

md5 45ddfa251d2530f6865be72a998b03dc
sha1 bec65c316f9d6c11d7d3d3947770a2c7a5061261
sha256 dff21ac19da1c80cb29a0371776b82c8a2ef540823559128bc58f3f4cf2d151d
sha512 fbda65c257b303dcde252eaa3427f0f76cee5795d42139b8ee26a97eb09265d7387e0a82415a746d3fceb0a0c6285efdfec06d404a246517dad0ca684f0b6622
ripemd-160 83240b3908ca7c13d059f4cdd0d24a7717c391f5

13815 as geometric shapes

Circle

Radius = n
Diameter 27630
Circumference 86802.205018686
Area 599586231.16657

Sphere

Radius = n
Volume 11044378378088
Surface area 2398344924.6663
Circumference 86802.205018686

Square

Length = n
Perimeter 55260
Area 190854225
Diagonal 19537.360364184

Cube

Length = n
Surface area 1145125350
Volume 2636651118375
Space diagonal 23928.281906564

Equilateral Triangle

Length = n
Perimeter 41445
Area 82642303.634796
Altitude 11964.140953282

Triangular Pyramid

Length = n
Surface area 82642303.634796
Volume 310732314237.68
Height 6512.4534547281