21246784 (number)

21246784 is an even 8-digits composite number following 21246783 and preceding 21246785. In scientific notation, it is written as 2.1246784 × 10^7. The sum of its digits is 34. It has a total of 8 prime factors and 28 positive divisors. There are 9805824 positive integers (up to 21246784) that are relatively prime to 21246784.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-six thousand seven hundred eighty-four

Notation

Scientific notation 2.1246784 × 10^7
Engineering notation 2.1246784 × 10^6

Prime Factorization of 21246784

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 13 × 25537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 663962
Product of the distinct prime numbers

The prime factorization of 21246784 is 2 × 2 × 2 × 2 × 2 × 2 × 13 × 25537. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 1, 91, 97, 627, 512, 9628, 54, 79721, 41966, 825547, 782504, 9793917, 6791370, 32060023, 7306951, 720570751, 270391619, 1637035898, 5889686259

Basic calculations (n = 21246784)

Multiplication

n×y
n×2 42493568
n×3 63740352
n×4 84987136
n×5 106233920

Division

n÷y
n÷2 10623392
n÷3 7082261.3333333
n÷3 5311696
n÷5 4249356.8

Exponentiation

ny
n2 451425830342656
n3 9.5913471093111E+21
n4 2.0378528030056E+29
n5 4.3297818329254E+36

Nth Root

y√n
2√n 4609.4233912714
3√n 276.96893915947
4√n 67.892734451275
5√n 29.205096161964

Divisors of 21246784

1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25537, 51074, 102148, 204296, 331981, 408592, 663962, 817184, 1327924, 1634368, 2655848, 5311696, 10623392, 21246784

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 -21246783
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 21246784 can be divided by 28 positive divisors. The sum of these divisors (counting 21246784) is 1, the average is 0.035714285714286.

Base conversion 21246784

Base System Value
2 Binary 1010001000011001101000000
3 Ternary 1110222110002221
4 Quaternary 1101003031000
5 Quinary 20414344114
6 Senary 2035220424
8 Octal 121031500
10 Decimal 21246784
12 Duodecimal 7147714
16 Hexadecimal 1443340
20 Vigesimal 6cfgj4
36 Base36 cne4g

Cryptographic Hash Functions

md5 4a5ca52331ae8eb3d87e0786bc17f61d
sha1 7af4fb59b42b2a974de2db75add53563d46140f7
sha256 493d47eae0b8aa1935e1829cb9b1d1bdd42db6248ab87998c63af26c0e6dc0c0
sha512 13ef6bb8fda7f3b7273a4615058889a840f8294b84be50f7d9506f08663b66f45670acaf4d61e46e070837b7369104354ccee2313b8b34d7db7cc84211d2a35a
ripemd-160 84465313d16090c865b69ef50318001854d9ded7

21246784 as geometric shapes

Circle

Radius = n
Diameter 42493568
Circumference 133497481.05362
Area 1.4181960722452E+15

Sphere

Radius = n
Volume 4.0176140822188E+22
Surface area 5.6727842889806E+15
Circumference 133497481.05362

Square

Length = n
Perimeter 84987136
Area 451425830342656
Diagonal 30047490.089612

Cube

Length = n
Surface area 2708554982055936
Volume 9.5913471093111E+21
Space diagonal 36800509.385441

Equilateral Triangle

Length = n
Perimeter 63740352
Area 1.9547311850061E+14
Altitude 18400254.692721

Triangular Pyramid

Length = n
Surface area 1.9547311850061E+14
Volume 1.1303510969513E+21
Height 10015830.029871