21306784 (number)

21306784 is an even 8-digits composite number following 21306783 and preceding 21306785. In scientific notation, it is written as 2.1306784 × 10^7. The sum of its digits is 31. It has a total of 7 prime factors and 24 positive divisors. There are 10583040 positive integers (up to 21306784) that are relatively prime to 21306784.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred six thousand seven hundred eighty-four

Notation

Scientific notation 2.1306784 × 10^7
Engineering notation 2.1306784 × 10^6

Prime Factorization of 21306784

Prime Factorization 2 × 2 × 2 × 2 × 2 × 157 × 4241

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1331674
Product of the distinct prime numbers

The prime factorization of 21306784 is 2 × 2 × 2 × 2 × 2 × 157 × 4241. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 10, 27, 11, 658, 243, 5982, 2352, 86104, 13669, 373134, 897489, 2860366, 5595933, 63698904, 98226627, 606797851, 149564895, 7756142789, 7297093110

Basic calculations (n = 21306784)

Multiplication

n×y
n×2 42613568
n×3 63920352
n×4 85227136
n×5 106533920

Division

n÷y
n÷2 10653392
n÷3 7102261.3333333
n÷3 5326696
n÷5 4261356.8

Exponentiation

ny
n2 453979044422656
n3 9.6728334400399E+21
n4 2.0609697277491E+29
n5 4.3912636819688E+36

Nth Root

y√n
2√n 4615.9272091314
3√n 277.22941023247
4√n 67.940615313165
5√n 29.221572347185

Divisors of 21306784

1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4241, 5024, 8482, 16964, 33928, 67856, 135712, 665837, 1331674, 2663348, 5326696, 10653392, 21306784

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 -21306783
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 21306784 can be divided by 24 positive divisors. The sum of these divisors (counting 21306784) is 1, the average is 0.041666666666667.

Base conversion 21306784

Base System Value
2 Binary 1010001010001110110100000
3 Ternary 1111002111102011
4 Quaternary 1101101312200
5 Quinary 20423304114
6 Senary 2040402304
8 Octal 121216640
10 Decimal 21306784
12 Duodecimal 7176394
16 Hexadecimal 1451da0
20 Vigesimal 6d36j4
36 Base36 coof4

Cryptographic Hash Functions

md5 cdcb1806b4f9373ebde4747f5a531058
sha1 219705ad8d395fee8e60f85eecc5fa9d62df47fa
sha256 c63a3f3b14c41bbd481f4871221ff9e13af62b00977120d8c8b6aed4118ef8c1
sha512 6999e9f95caa95195e8af69a1137d3e8123e8c1f366785312ea5fbb196f579be0e30d0d442b23c4744f07efd19913d7bdac32202e3245f96744a0f015169f127
ripemd-160 4bf8e64968f2ed6a5368bb2cfbd62c121fc1904f

21306784 as geometric shapes

Circle

Radius = n
Diameter 42613568
Circumference 133874472.17205
Area 1.4262172308419E+15

Sphere

Radius = n
Volume 4.051746996617E+22
Surface area 5.7048689233677E+15
Circumference 133874472.17205

Square

Length = n
Perimeter 85227136
Area 453979044422656
Diagonal 30132342.903354

Cube

Length = n
Surface area 2723874266535936
Volume 9.6728334400399E+21
Space diagonal 36904432.433896

Equilateral Triangle

Length = n
Perimeter 63920352
Area 1.965786926279E+14
Altitude 18452216.216948

Triangular Pyramid

Length = n
Surface area 1.965786926279E+14
Volume 1.1399543531234E+21
Height 10044114.301118