205720121 (number)

205720121 is an odd 9-digits composite number following 205720120 and preceding 205720122. In scientific notation, it is written as 2.05720121 × 10^8. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 202347600 positive integers (up to 205720121) that are relatively prime to 205720121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.05720121 × 10^8
Engineering notation 2.05720121 × 10^6

Prime Factorization of 205720121

Prime Factorization 61 × 3372461

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 205720121
Product of the distinct prime numbers

The prime factorization of 205720121 is 61 × 3372461. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 84, 37, 580, 456, 3046, 3880, 31546, 42885, 920118, 206794, 117117, 7155615, 95859901, 17946818, 135217471, 718395893, 7068363984, 6168476248

Basic calculations (n = 205720121)

Multiplication

n×y
n×2 411440242
n×3 617160363
n×4 822880484
n×5 1028600605

Division

n÷y
n÷2 102860060.5
n÷3 68573373.666667
n÷3 51430030.25
n÷5 41144024.2

Exponentiation

ny
n2 42320768184254641
n3 8.7062335516778E+24
n4 1.7910474197054E+33
n5 3.6845449189854E+41

Nth Root

y√n
2√n 14342.946733499
3√n 590.32646970625
4√n 119.76204212312
5√n 45.989146978858

Divisors of 205720121

1, 61, 3372461, 205720121

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -205720120
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 205720121 can be divided by 4 positive divisors. The sum of these divisors (counting 205720121) is 1, the average is 0.25.

Base conversion 205720121

Base System Value
2 Binary 1100010000110000101000111001
3 Ternary 112100002122221202
4 Quaternary 30100300220321
5 Quinary 410131020441
6 Senary 32225143545
8 Octal 1420605071
10 Decimal 205720121
12 Duodecimal 58a8abb5
16 Hexadecimal c430a39
20 Vigesimal 345f061
36 Base36 3ehant

Cryptographic Hash Functions

md5 dd9f3abfeef32cac6e4ed3fcd22c787b
sha1 a140101a391998f1632aa5c14e3f01902152011a
sha256 54a98be62e726d72026857c402a614bac8f465a891a174ea750fc4ada17d4bc4
sha512 659e4026b2259223347bd0975449ad2dd3b08487be941368014feacea71d6b60b239d48bbe01cd2fa5741bd61433d32ac072509c800c3273cd4d6afa42cddf3c
ripemd-160 503e9474ecd928cecf24c40685db0ee67627dcef

205720121 as geometric shapes

Circle

Radius = n
Diameter 411440242
Circumference 1292577641.6584
Area 1.3295461442193E+17

Sphere

Radius = n
Volume 3.6468585821851E+25
Surface area 5.3181845768772E+17
Circumference 1292577641.6584

Square

Length = n
Perimeter 822880484
Area 42320768184254641
Diagonal 290932185.17123

Cube

Length = n
Surface area 253924609105527846
Volume 8.7062335516778E+24
Space diagonal 356317701.71122

Equilateral Triangle

Length = n
Perimeter 617160363
Area 1.8325430177618E+16
Altitude 178158850.85561

Triangular Pyramid

Length = n
Surface area 1.8325430177618E+16
Volume 1.0260394638309E+24
Height 96977395.057078