205540809 (number)

205540809 is an odd 9-digits composite number following 205540808 and preceding 205540810. In scientific notation, it is written as 2.05540809 × 10^8. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 133323696 positive integers (up to 205540809) that are relatively prime to 205540809.

Interesting facts

Basic properties

Name

Name two hundred five million five hundred forty thousand eight hundred nine

Notation

Scientific notation 2.05540809 × 10^8
Engineering notation 2.05540809 × 10^6

Prime Factorization of 205540809

Prime Factorization 3 × 37 × 1851719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 205540809
Product of the distinct prime numbers

The prime factorization of 205540809 is 3 × 37 × 1851719. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 9, 81, 845, 135, 2346, 7361, 17206, 84083, 150356, 476116, 6354132, 9946998, 89898257, 36276319, 682794488, 991919966, 6712841088, 5421095715

Basic calculations (n = 205540809)

Multiplication

n×y
n×2 411081618
n×3 616622427
n×4 822163236
n×5 1027704045

Division

n÷y
n÷2 102770404.5
n÷3 68513603
n÷3 51385202.25
n÷5 41108161.8

Exponentiation

ny
n2 42247024164374481
n3 8.6834875245881E+24
n4 1.7848110507452E+33
n5 3.6685150728232E+41

Nth Root

y√n
2√n 14336.694493502
3√n 590.15490426558
4√n 119.73593651658
5√n 45.981127070532

Divisors of 205540809

1, 3, 37, 111, 1851719, 5555157, 68513603, 205540809

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 -205540808
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 205540809 can be divided by 8 positive divisors. The sum of these divisors (counting 205540809) is 1, the average is 0.125.

Base conversion 205540809

Base System Value
2 Binary 1100010000000100110111001001
3 Ternary 112022202112222120
4 Quaternary 30100010313021
5 Quinary 410104301214
6 Senary 32221241453
8 Octal 1420046711
10 Decimal 205540809
12 Duodecimal 58a03289
16 Hexadecimal c404dc9
20 Vigesimal 344cc09
36 Base36 3edgax

Cryptographic Hash Functions

md5 7e8d1c216a1cb1eba58f817bca33b9aa
sha1 6ab313fc37e706461a1ce841533a570667f77bee
sha256 1c74bcdda11c5b8c12138c49fe4ec86ab8d815d225fd740a2f251ce98aa56982
sha512 9c646195058cce5f0e7fb291b5a2101ea5a3a965fbdcb2c2d7adeab27132f64f610c78a47c48bb7b571c617ba5894829a0c2f68cf430fa3a7797f3d1a9ae35d4
ripemd-160 dccb65bfa2f3f86dd318a437f4d9776f6019d92d

205540809 as geometric shapes

Circle

Radius = n
Diameter 411081618
Circumference 1291450991.1346
Area 1.3272294075083E+17

Sphere

Radius = n
Volume 3.6373307486379E+25
Surface area 5.3089176300332E+17
Circumference 1291450991.1346

Square

Length = n
Perimeter 822163236
Area 42247024164374481
Diagonal 290678599.70894

Cube

Length = n
Surface area 253482144986246886
Volume 8.6834875245881E+24
Space diagonal 356007124.21681

Equilateral Triangle

Length = n
Perimeter 616622427
Area 1.8293498080322E+16
Altitude 178003562.10841

Triangular Pyramid

Length = n
Surface area 1.8293498080322E+16
Volume 1.0233588188308E+24
Height 96892866.569646