205121984 (number)

205121984 is an even 9-digits composite number following 205121983 and preceding 205121985. In scientific notation, it is written as 2.05121984 × 10^8. The sum of its digits is 32. It has a total of 8 prime factors and 28 positive divisors. There are 102445824 positive integers (up to 205121984) that are relatively prime to 205121984.

Interesting facts

Basic properties

Name

Name two hundred five million one hundred twenty-one thousand nine hundred eighty-four

Notation

Scientific notation 2.05121984 × 10^8
Engineering notation 2.05121984 × 10^6

Prime Factorization of 205121984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 1987 × 1613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 6410062
Product of the distinct prime numbers

The prime factorization of 205121984 is 2 × 2 × 2 × 2 × 2 × 2 × 1987 × 1613. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 7, 58, 33, 328, 578, 4703, 1343, 50268, 14110, 439666, 5678, 9117211, 1373820, 28929022, 91108810, 455664189, 84192149, 1483407491, 5978607470

Basic calculations (n = 205121984)

Multiplication

n×y
n×2 410243968
n×3 615365952
n×4 820487936
n×5 1025609920

Division

n÷y
n÷2 102560992
n÷3 68373994.666667
n÷3 51280496
n÷5 41024396.8

Exponentiation

ny
n2 42075028320096256
n3 8.6305132858743E+24
n4 1.7703080081369E+33
n5 3.6312909092013E+41

Nth Root

y√n
2√n 14322.080295823
3√n 589.7537840788
4√n 119.67489417511
5√n 45.962372876172

Divisors of 205121984

1, 2, 4, 8, 16, 32, 64, 1613, 1987, 3226, 3974, 6452, 7948, 12904, 15896, 25808, 31792, 51616, 63584, 103232, 127168, 3205031, 6410062, 12820124, 25640248, 51280496, 102560992, 205121984

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -205121983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 205121984 can be divided by 28 positive divisors. The sum of these divisors (counting 205121984) is 1, the average is 0.035714285714286.

Base conversion 205121984

Base System Value
2 Binary 1100001110011110100111000000
3 Ternary 112021222021110112
4 Quaternary 30032132213000
5 Quinary 410002400414
6 Senary 32204250452
8 Octal 1416364700
10 Decimal 205121984
12 Duodecimal 58840a28
16 Hexadecimal c39e9c0
20 Vigesimal 34204j4
36 Base36 3e4h4w

Cryptographic Hash Functions

md5 19b382cc9436a2b69b79dfb3baf05fd1
sha1 fed0a79738557053ec0dbb9d71e803a91e647f36
sha256 548c60afa71bca5f90aa249b627bc91a4ef41f4fd0657018794f283cda288be5
sha512 7e6b30798b38b0183454affd49ae16206ed7432ac93eb55edace11abe5faaf4bd342f57ba760d9c377c79713428bf4e188202ddbbfa9b0735357b53213ab68b6
ripemd-160 05c6960f84192fd7502e71592841e6c4983aa4f0

205121984 as geometric shapes

Circle

Radius = n
Diameter 410243968
Circumference 1288819436.0483
Area 1.3218259987E+17

Sphere

Radius = n
Volume 3.6151409514149E+25
Surface area 5.2873039947999E+17
Circumference 1288819436.0483

Square

Length = n
Perimeter 820487936
Area 42075028320096256
Diagonal 290086291.71368

Cube

Length = n
Surface area 252450169920577536
Volume 8.6305132858743E+24
Space diagonal 355281698.03733

Equilateral Triangle

Length = n
Perimeter 615365952
Area 1.8219021695077E+16
Altitude 177640849.01867

Triangular Pyramid

Length = n
Surface area 1.8219021695077E+16
Volume 1.0171157449271E+24
Height 96695430.571226