21084784 (number)

21084784 is an even 8-digits composite number following 21084783 and preceding 21084785. In scientific notation, it is written as 2.1084784 × 10^7. The sum of its digits is 34. It has a total of 7 prime factors and 40 positive divisors. There are 8918208 positive integers (up to 21084784) that are relatively prime to 21084784.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1084784 × 10^7
Engineering notation 2.1084784 × 10^6

Prime Factorization of 21084784

Prime Factorization 2 × 2 × 2 × 2 × 7 × 79 × 2383

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2635598
Product of the distinct prime numbers

The prime factorization of 21084784 is 2 × 2 × 2 × 2 × 7 × 79 × 2383. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 4, 96, 13, 242, 9, 1881, 3861, 22766, 32961, 319045, 129698, 7117670, 7395879, 11107877, 30349690, 432610477, 69305609, 47811437, 7702732128

Basic calculations (n = 21084784)

Multiplication

n×y
n×2 42169568
n×3 63254352
n×4 84339136
n×5 105423920

Division

n÷y
n÷2 10542392
n÷3 7028261.3333333
n÷3 5271196
n÷5 4216956.8

Exponentiation

ny
n2 444568116326656
n3 9.3736227060344E+21
n4 1.9764081005423E+29
n5 4.1672137895785E+36

Nth Root

y√n
2√n 4591.8170695271
3√n 276.26320896689
4√n 67.762947615397
5√n 29.160423786284

Divisors of 21084784

1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2383, 4424, 4766, 8848, 9532, 16681, 19064, 33362, 38128, 66724, 133448, 188257, 266896, 376514, 753028, 1317799, 1506056, 2635598, 3012112, 5271196, 10542392, 21084784

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084783
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084784 can be divided by 40 positive divisors. The sum of these divisors (counting 21084784) is 1, the average is 0.025.

Base conversion 21084784

Base System Value
2 Binary 1010000011011101001110000
3 Ternary 1110200012212221
4 Quaternary 1100123221300
5 Quinary 20344203114
6 Senary 2031530424
8 Octal 120335160
10 Decimal 21084784
12 Duodecimal 7089a14
16 Hexadecimal 141ba70
20 Vigesimal 6bfbj4
36 Base36 cjx4g

Cryptographic Hash Functions

md5 5fccf1ddbf94fff73c5417a199119e94
sha1 2e8b4381e70a2a129b4ccb527ebc777ea13f1d06
sha256 264cd40732d9d1db0247ba71545a42695c1c0cc18176eacde06166fb8385b7da
sha512 41dfc1848d6d421e686179ffa0a099e8f7e0cae2511aa7cc5962b59aec37c0ad31a3a226f3681cf91503f4e3c8cd796ad951e4bb58013251cdc608cfc437c5b7
ripemd-160 d0c2cee4bd1d3341288de80714c1814ccc0e6eac

21084784 as geometric shapes

Circle

Radius = n
Diameter 42169568
Circumference 132479605.03386
Area 1.3966519282721E+15

Sphere

Radius = n
Volume 3.92641389744E+22
Surface area 5.5866077130883E+15
Circumference 132479605.03386

Square

Length = n
Perimeter 84339136
Area 444568116326656
Diagonal 29818387.492507

Cube

Length = n
Surface area 2667408697959936
Volume 9.3736227060344E+21
Space diagonal 36519917.154615

Equilateral Triangle

Length = n
Perimeter 63254352
Area 1.9250364122574E+14
Altitude 18259958.577308

Triangular Pyramid

Length = n
Surface area 1.9250364122574E+14
Volume 1.1046920299535E+21
Height 9939462.4975024