205855 (number)

205855 is an odd 6-digits composite number following 205854 and preceding 205856. In scientific notation, it is written as 2.05855 × 10^5. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 151968 positive integers (up to 205855) that are relatively prime to 205855.

Interesting facts

Basic properties

Name

Name two hundred five thousand eight hundred fifty-five

Notation

Scientific notation 2.05855 × 10^5
Engineering notation 2.05855 × 10^3

Prime Factorization of 205855

Prime Factorization 5 × 13 × 3167

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 205855
Product of the distinct prime numbers

The prime factorization of 205855 is 5 × 13 × 3167. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 205855)

Multiplication

n×y
n×2 411710
n×3 617565
n×4 823420
n×5 1029275

Division

n÷y
n÷2 102927.5
n÷3 68618.333333333
n÷3 51463.75
n÷5 41171

Exponentiation

ny
n2 42376281025
n3 8723369330401375
n4 1.7957491935098E+21
n5 3.6966395022995E+26

Nth Root

y√n
2√n 453.71246401218
3√n 59.045545603406
4√n 21.300527317702
5√n 11.553465823878

Divisors of 205855

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 -205854
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 205855 can be divided by 8 positive divisors. The sum of these divisors (counting 205855) is 1, the average is 0.125.

Base conversion 205855

Base System Value
2 Binary 110010010000011111
3 Ternary 101110101021
4 Quaternary 302100133
5 Quinary 23041410
6 Senary 4225011
8 Octal 622037
10 Decimal 205855
12 Duodecimal 9b167
16 Hexadecimal 3241f
20 Vigesimal 15ecf
36 Base36 4eu7

Cryptographic Hash Functions

md5 9205d85467dfe7b5c3da72b3c1fcd9d8
sha1 5923489842e233b2b19a84dc749008fe7adcaa8f
sha256 b62642e7762d5306ba8ea1f2bf527c8412c6885abb08e6e8132ca47ebad4c61b
sha512 2e03467b5d48a3aafe8ef3e23bb92e0b01a6b3f7e9ea9523499bf024bd20cc80779cef339987246f2b8f058ee20dd93eb18550c7d9b99961b2ee8fa4aaecd96d
ripemd-160 f6c941cac7fff652d2c15cd339227d0ba14af4d0

205855 as geometric shapes

Circle

Radius = n
Diameter 411710
Circumference 1293425.1114095
Area 133129013154.6

Sphere

Radius = n
Volume 3.6540364003919E+16
Surface area 532516052618.39
Circumference 1293425.1114095

Square

Length = n
Perimeter 823420
Area 42376281025
Diagonal 291122.93288231

Cube

Length = n
Surface area 254257686150
Volume 8723369330401375
Space diagonal 356551.31899209

Equilateral Triangle

Length = n
Perimeter 617565
Area 18349467942.779
Altitude 178275.65949605

Triangular Pyramid

Length = n
Surface area 18349467942.779
Volume 1.0280589347203E+15
Height 97040.977627438