23805 (number)

23805 is an odd 5-digits composite number following 23804 and preceding 23806. In scientific notation, it is written as 2.3805 × 10^4. The sum of its digits is 18. It has a total of 5 prime factors and 18 positive divisors. There are 12144 positive integers (up to 23805) that are relatively prime to 23805.

Interesting facts

Basic properties

Name

Name twenty-three thousand eight hundred five

Notation

Scientific notation 2.3805 × 10^4
Engineering notation 2.3805 × 10^3

Prime Factorization of 23805

Prime Factorization 3 × 3 × 5 × 23 × 23

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 345
Product of the distinct prime numbers

The prime factorization of 23805 is 3 × 3 × 5 × 23 × 23. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 28, 17, 130, 220, 1667, 2757, 80365, 60577, 803837, 246526, 80858, 9150968, 6701465, 35812967, 771614934, 982161054, 4421372294, 7205011272

Basic calculations (n = 23805)

Multiplication

n×y
n×2 47610
n×3 71415
n×4 95220
n×5 119025

Division

n÷y
n÷2 11902.5
n÷3 7935
n÷3 5951.25
n÷5 4761

Exponentiation

ny
n2 566678025
n3 13489770385125
n4 321123984017900625
n5 7.6443564395461E+21

Nth Root

y√n
2√n 154.28869044749
3√n 28.766657014155
4√n 12.421299869478
5√n 7.5047052036884

Divisors of 23805

1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 529, 1035, 1587, 2645, 4761, 7935, 23805

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -23804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 23805 can be divided by 18 positive divisors. The sum of these divisors (counting 23805) is 1, the average is 0.055555555555556.

Base conversion 23805

Base System Value
2 Binary 101110011111101
3 Ternary 1012122200
4 Quaternary 11303331
5 Quinary 1230210
6 Senary 302113
8 Octal 56375
10 Decimal 23805
12 Duodecimal 11939
16 Hexadecimal 5cfd
20 Vigesimal 2ja5
36 Base36 id9

Cryptographic Hash Functions

md5 231884a40961d48d85736bc5856c5392
sha1 95bb021b7eb6c0e4c18ef984c8b9c16e0a62bc76
sha256 dafb5ebd6edc6f4cd3c63cb3cb44145f0b7a116b3e92c62942ccf36b7178e52e
sha512 bf31aee54ad794aacb6dcf73a7e4a43313829ed10533a4fd09575f03a9256aec94e1d24497f553a28b08ce92ed3664207a3c823498b64206370aba92faa7b411
ripemd-160 9f84f7208a841fed596c5f604684cc8f670bafb0

23805 as geometric shapes

Circle

Radius = n
Diameter 47610
Circumference 149571.22623741
Area 1780271520.2908

Sphere

Radius = n
Volume 56505818054029
Surface area 7121086081.1631
Circumference 149571.22623741

Square

Length = n
Perimeter 95220
Area 566678025
Diagonal 33665.353852292

Cube

Length = n
Surface area 3400068150
Volume 13489770385125
Space diagonal 41231.469474177

Equilateral Triangle

Length = n
Perimeter 71415
Area 245378782.7082
Altitude 20615.734737089

Triangular Pyramid

Length = n
Surface area 245378782.7082
Volume 1589784685995.2
Height 11221.784617431