205720 (number)

205720 is an even 6-digits composite number following 205719 and preceding 205721. In scientific notation, it is written as 2.05720 × 10^5. The sum of its digits is 16. It has a total of 6 prime factors and 32 positive divisors. There are 79488 positive integers (up to 205720) that are relatively prime to 205720.

Interesting facts

Basic properties

Name

Name two hundred five thousand seven hundred twenty

Notation

Scientific notation 2.05720 × 10^5
Engineering notation 2.05720 × 10^3

Prime Factorization of 205720

Prime Factorization 2 × 2 × 2 × 5 × 37 × 139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 51430
Product of the distinct prime numbers

The prime factorization of 205720 is 2 × 2 × 2 × 5 × 37 × 139. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 9, 62, 78, 80, 698, 9529, 3568, 39700, 59399, 388513, 732558, 175243, 732538, 44715018, 35386201, 691741298, 738966502, 5404601898, 7612667925

Basic calculations (n = 205720)

Multiplication

n×y
n×2 411440
n×3 617160
n×4 822880
n×5 1028600

Division

n÷y
n÷2 102860
n÷3 68573.333333333
n÷3 51430
n÷5 41144

Exponentiation

ny
n2 42320718400
n3 8706218189248000
n4 1.7910432058921E+21
n5 3.6845340831612E+26

Nth Root

y√n
2√n 453.56366697521
3√n 59.032635396726
4√n 21.297034229564
5√n 11.551950070369

Divisors of 205720

1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 139, 148, 185, 278, 296, 370, 556, 695, 740, 1112, 1390, 1480, 2780, 5143, 5560, 10286, 20572, 25715, 41144, 51430, 102860, 205720

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -205719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 205720 can be divided by 32 positive divisors. The sum of these divisors (counting 205720) is 1, the average is 0.03125.

Base conversion 205720

Base System Value
2 Binary 110010001110011000
3 Ternary 101110012021
4 Quaternary 302032120
5 Quinary 23040340
6 Senary 4224224
8 Octal 621630
10 Decimal 205720
12 Duodecimal 9b074
16 Hexadecimal 32398
20 Vigesimal 15e60
36 Base36 4eqg

Cryptographic Hash Functions

md5 c0361699bd331e03b39965e9b936ba69
sha1 330305f3951a4b280e6859de28cb3fe49f62edca
sha256 b6429d4c0317e11154f76e0a1e51773121eb22c360dead89b8ce8bcc1ef2bbd1
sha512 2f5e3f17222beffdd7e56009f31567ee9fe65e710d8a6165c4663b631b73685b81b78a2e73a883bfa8aa8d55272afa98a06f84ced3b5f085187e427fe78a196d
ripemd-160 5296166390709cc143984824c37529e4bf854820

205720 as geometric shapes

Circle

Radius = n
Diameter 411440
Circumference 1292576.881393
Area 132954458020.08

Sphere

Radius = n
Volume 3.6468521471855E+16
Surface area 531817832080.33
Circumference 1292576.881393

Square

Length = n
Perimeter 822880
Area 42320718400
Diagonal 290932.01405139

Cube

Length = n
Surface area 253924310400
Volume 8706218189248000
Space diagonal 356317.49213307

Equilateral Triangle

Length = n
Perimeter 617160
Area 18325408620.404
Altitude 178158.74606653

Triangular Pyramid

Length = n
Surface area 18325408620.404
Volume 1.0260376533512E+15
Height 96977.338017131