21509984 (number)

21509984 is an even 8-digits composite number following 21509983 and preceding 21509985. In scientific notation, it is written as 2.1509984 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors. There are 10571776 positive integers (up to 21509984) that are relatively prime to 21509984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1509984 × 10^7
Engineering notation 2.1509984 × 10^6

Prime Factorization of 21509984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 59 × 11393

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1344374
Product of the distinct prime numbers

The prime factorization of 21509984 is 2 × 2 × 2 × 2 × 2 × 59 × 11393. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21509984)

Multiplication

n×y
n×2 43019968
n×3 64529952
n×4 86039936
n×5 107549920

Division

n÷y
n÷2 10754992
n÷3 7169994.6666667
n÷3 5377496
n÷5 4301996.8

Exponentiation

ny
n2 462679411680256
n3 9.9522267423717E+21
n4 2.1407223799279E+29
n5 4.6046904140691E+36

Nth Root

y√n
2√n 4637.8857251985
3√n 278.10792352336
4√n 68.102024383997
5√n 29.27709739459

Divisors of 21509984

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 -21509983
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 21509984 can be divided by 24 positive divisors. The sum of these divisors (counting 21509984) is 1, the average is 0.041666666666667.

Base conversion 21509984

Base System Value
2 Binary 1010010000011011101100000
3 Ternary 1111110211011002
4 Quaternary 1102003131200
5 Quinary 21001304414
6 Senary 2045011132
8 Octal 122033540
10 Decimal 21509984
12 Duodecimal 7253aa8
16 Hexadecimal 1483760
20 Vigesimal 6e8ej4
36 Base36 ct17k

Cryptographic Hash Functions

md5 7fb93d8d73399c54fbdeaafa816beaec
sha1 e54d164dd7ad7ae0c9284312c14c69839077543e
sha256 bbc7388684fe85cae43f1163df8d2341090edad2685e9abf1a7d2ee41ba36040
sha512 edbe69b0df1112d3c763b2d6bf33213fe2af796235b730d9ca6ce49461c0fcae7be5b685e2a9e9b18e9f5d172d1f0ff6e7b18e43dae865300c0a4706514347d6
ripemd-160 c7ea03a1f22c7019be65a5f90214d2884dfa9fb5

21509984 as geometric shapes

Circle

Radius = n
Diameter 43019968
Circumference 135151215.42647
Area 1.4535502407019E+15

Sphere

Radius = n
Volume 4.168778989426E+22
Surface area 5.8142009628078E+15
Circumference 135151215.42647

Square

Length = n
Perimeter 86039936
Area 462679411680256
Diagonal 30419711.099228

Cube

Length = n
Surface area 2776076470081536
Volume 9.9522267423717E+21
Space diagonal 37256385.157994

Equilateral Triangle

Length = n
Perimeter 64529952
Area 2.0034606216157E+14
Altitude 18628192.578997

Triangular Pyramid

Length = n
Surface area 2.0034606216157E+14
Volume 1.1728811695729E+21
Height 10139903.699743