20181924 (number)

20181924 is an even 8-digits composite number following 20181923 and preceding 20181925. In scientific notation, it is written as 2.0181924 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 5419008 positive integers (up to 20181924) that are relatively prime to 20181924.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181924 × 10^7
Engineering notation 2.0181924 × 10^6

Prime Factorization of 20181924

Prime Factorization 2 × 2 × 441 × 17 × 673

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10090962
Product of the distinct prime numbers

The prime factorization of 20181924 is 2 × 2 × 441 × 17 × 673. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181924)

Multiplication

n×y
n×2 40363848
n×3 60545772
n×4 80727696
n×5 100909620

Division

n÷y
n÷2 10090962
n÷3 6727308
n÷3 5045481
n÷5 4036384.8

Exponentiation

ny
n2 407310056341776
n3 8.2203006015254E+21
n4 1.6590148199714E+29
n5 3.3482111011537E+36

Nth Root

y√n
2√n 4492.4296321701
3√n 272.2623082314
4√n 67.025589383236
5√n 28.906300509115

Divisors of 20181924

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181923
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181924 can be divided by 24 positive divisors. The sum of these divisors (counting 20181924) is 1, the average is 0.041666666666667.

Base conversion 20181924

Base System Value
2 Binary 1001100111111001110100100
3 Ternary 1101222100101200
4 Quaternary 1030333032210
5 Quinary 20131310144
6 Senary 2000322500
8 Octal 114771644
10 Decimal 20181924
12 Duodecimal 6913430
16 Hexadecimal 133f3a4
20 Vigesimal 662eg4
36 Base36 c0kh0

Cryptographic Hash Functions

md5 4aeebbfacc51fe1322f0e72a27dfeb29
sha1 8634c0a69bab79f2d659efc949267391ab2531e6
sha256 2ce605bda4af203152ae2c8faceb271f5ba27f166474e4d45ddbc9abe5be4bc7
sha512 787313b0e2fb37046d3d22eda3f9f7c2df981a331a812baa0af8684a19c6fef4d469ec9d89cedf74fbb4f5b4efdf0f1c97621803025512b0036966042a2222f6
ripemd-160 72a4ef3b2409975a6302fe0f239dd7aca701b4de

20181924 as geometric shapes

Circle

Radius = n
Diameter 40363848
Circumference 126806768.34742
Area 1.2796022807366E+15

Sphere

Radius = n
Volume 3.4433114640069E+22
Surface area 5.1184091229463E+15
Circumference 126806768.34742

Square

Length = n
Perimeter 80727696
Area 407310056341776
Diagonal 28541550.635583

Cube

Length = n
Surface area 2443860338050656
Volume 8.2203006015254E+21
Space diagonal 34956117.762494

Equilateral Triangle

Length = n
Perimeter 60545772
Area 1.7637042800442E+14
Altitude 17478058.881247

Triangular Pyramid

Length = n
Surface area 1.7637042800442E+14
Volume 9.6877171645508E+20
Height 9513850.211861