205742421 (number)

205742421 is an odd 9-digits composite number following 205742420 and preceding 205742422. In scientific notation, it is written as 2.05742421 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 136394280 positive integers (up to 205742421) that are relatively prime to 205742421.

Interesting facts

Basic properties

Name

Name two hundred five million seven hundred forty-two thousand four hundred twenty-one

Notation

Scientific notation 2.05742421 × 10^8
Engineering notation 2.05742421 × 10^6

Prime Factorization of 205742421

Prime Factorization 3 × 3 × 179 × 127711

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68580807
Product of the distinct prime numbers

The prime factorization of 205742421 is 3 × 3 × 179 × 127711. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 63, 76, 166, 136, 2650, 4370, 55740, 40424, 652988, 334630, 6655242, 113063, 49509, 83298253, 978246133, 135399472, 3847906219, 5665511536

Basic calculations (n = 205742421)

Multiplication

n×y
n×2 411484842
n×3 617227263
n×4 822969684
n×5 1028712105

Division

n÷y
n÷2 102871210.5
n÷3 68580807
n÷3 51435605.25
n÷5 41148484.2

Exponentiation

ny
n2 42329943798941241
n3 8.7090651179881E+24
n4 1.7918241420215E+33
n5 3.6865423698576E+41

Nth Root

y√n
2√n 14343.724098016
3√n 590.3477993402
4√n 119.76528753364
5√n 45.990143977603

Divisors of 205742421

1, 3, 9, 179, 537, 1611, 127711, 383133, 1149399, 22860269, 68580807, 205742421

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -205742420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 205742421 can be divided by 12 positive divisors. The sum of these divisors (counting 205742421) is 1, the average is 0.083333333333333.

Base conversion 205742421

Base System Value
2 Binary 1100010000110110000101010101
3 Ternary 112100010210112200
4 Quaternary 30100312011111
5 Quinary 410132224141
6 Senary 32225435113
8 Octal 1420660525
10 Decimal 205742421
12 Duodecimal 58a9ba99
16 Hexadecimal c436155
20 Vigesimal 345hg11
36 Base36 3ehrv9

Cryptographic Hash Functions

md5 33a2654c1e534a761185b5aea75db03b
sha1 7106766b2bcbadd53af4167b91e463878ddd68fd
sha256 0ec93a77974e8b53e12eb6ff6256c16b80300d231712ae27204dbcc3abe70e95
sha512 5a3568047e6a81abddd3e49b7038f64b0355819a1f7619b7893d7165e156b25eff53bb19d0e55d4ef20bf7b44c6aa33edc8fb4bd33e8c5876cfd1371e2733d18
ripemd-160 b3e818f8f7ed7617e5790687826889824aed0147

205742421 as geometric shapes

Circle

Radius = n
Diameter 411484842
Circumference 1292717756.6908
Area 1.3298344046562E+17

Sphere

Radius = n
Volume 3.6480446659075E+25
Surface area 5.3193376186249E+17
Circumference 1292717756.6908

Square

Length = n
Perimeter 822969684
Area 42329943798941241
Diagonal 290963722.13368

Cube

Length = n
Surface area 253979662793647446
Volume 8.7090651179881E+24
Space diagonal 356356326.44423

Equilateral Triangle

Length = n
Perimeter 617227263
Area 1.8329403335325E+16
Altitude 178178163.22211

Triangular Pyramid

Length = n
Surface area 1.8329403335325E+16
Volume 1.0263731671208E+24
Height 96987907.377892