21000384 (number)

21000384 is an even 8-digits composite number following 21000383 and preceding 21000385. In scientific notation, it is written as 2.1000384 × 10^7. The sum of its digits is 18. It has a total of 9 prime factors and 42 positive divisors. There are 6998400 positive integers (up to 21000384) that are relatively prime to 21000384.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eighty-four

Notation

Scientific notation 2.1000384 × 10^7
Engineering notation 2.1000384 × 10^6

Prime Factorization of 21000384

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 9 × 4051

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 72918
Product of the distinct prime numbers

The prime factorization of 21000384 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 9 × 4051. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000384)

Multiplication

n×y
n×2 42000768
n×3 63001152
n×4 84001536
n×5 105001920

Division

n÷y
n÷2 10500192
n÷3 7000128
n÷3 5250096
n÷5 4200076.8

Exponentiation

ny
n2 441016128147456
n3 9.2615080412898E+21
n4 1.9449522528617E+29
n5 4.0844744171762E+36

Nth Root

y√n
2√n 4582.6175925992
3√n 275.89409925784
4√n 67.695033736599
5√n 29.137041142915

Divisors of 21000384

42 divisors

τ Total Divisors 42
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000383
Sum of the proper positive divisors of n
A Arithmetic Mean 0.023809523809524
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 42
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000384 can be divided by 42 positive divisors. The sum of these divisors (counting 21000384) is 1, the average is 0.023809523809524.

Base conversion 21000384

Base System Value
2 Binary 1010000000111000011000000
3 Ternary 1110111221010000
4 Quaternary 1100013003000
5 Quinary 20334003014
6 Senary 2030040000
8 Octal 120070300
10 Decimal 21000384
12 Duodecimal 7049000
16 Hexadecimal 14070c0
20 Vigesimal 6b50j4
36 Base36 ci400

Cryptographic Hash Functions

md5 0c2c70e1e125266b05c95528f2d46bf5
sha1 966bc1dbbbb0ea4c2427cf5c7d893c66622c74cf
sha256 05e983eb6ce76f45231d23bcaa5997caacff360840d4f1806cbd5fa8482c16ee
sha512 b8fb19c438ed44bd0c6bf5c5bfa00340a1b11eefd78c283e31fbb9bd0882f8a7dfb4762d2f931d3801afc8740a69eb0e6576dc9173557bebdd83bc24705ef75d
ripemd-160 1c933a57f1d7b89dcdc0d424f6596ae9fb51746c

21000384 as geometric shapes

Circle

Radius = n
Diameter 42000768
Circumference 131949304.19393
Area 1.3854930283027E+15

Sphere

Radius = n
Volume 3.8794514164905E+22
Surface area 5.5419721132106E+15
Circumference 131949304.19393

Square

Length = n
Perimeter 84001536
Area 441016128147456
Diagonal 29699027.867843

Cube

Length = n
Surface area 2646096768884736
Volume 9.2615080412898E+21
Space diagonal 36373732.066457

Equilateral Triangle

Length = n
Perimeter 63001152
Area 1.9096558522718E+14
Altitude 18186866.033228

Triangular Pyramid

Length = n
Surface area 1.9096558522718E+14
Volume 1.0914791900016E+21
Height 9899675.9559477