21084816 (number)

21084816 is an even 8-digits composite number following 21084815 and preceding 21084817. In scientific notation, it is written as 2.1084816 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 7006336 positive integers (up to 21084816) that are relatively prime to 21084816.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand eight hundred sixteen

Notation

Scientific notation 2.1084816 × 10^7
Engineering notation 2.1084816 × 10^6

Prime Factorization of 21084816

Prime Factorization 2 × 2 × 2 × 2 × 3 × 509 × 863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2635602
Product of the distinct prime numbers

The prime factorization of 21084816 is 2 × 2 × 2 × 2 × 3 × 509 × 863. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084816)

Multiplication

n×y
n×2 42169632
n×3 63254448
n×4 84339264
n×5 105424080

Division

n÷y
n÷2 10542408
n÷3 7028272
n÷3 5271204
n÷5 4216963.2

Exponentiation

ny
n2 444569465753856
n3 9.3736653846384E+21
n4 1.9764200988067E+29
n5 4.1672454122041E+36

Nth Root

y√n
2√n 4591.8205539851
3√n 276.26334872673
4√n 67.762973326036
5√n 29.16043263753

Divisors of 21084816

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 -21084815
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 21084816 can be divided by 40 positive divisors. The sum of these divisors (counting 21084816) is 1, the average is 0.025.

Base conversion 21084816

Base System Value
2 Binary 1010000011011101010010000
3 Ternary 1110200012221010
4 Quaternary 1100123222100
5 Quinary 20344203231
6 Senary 2031530520
8 Octal 120335220
10 Decimal 21084816
12 Duodecimal 7089a40
16 Hexadecimal 141ba90
20 Vigesimal 6bfc0g
36 Base36 cjx5c

Cryptographic Hash Functions

md5 07ff11a5f488ad4032fbabd99aefcb78
sha1 565a6bf12dc0173aee48b428d0d73b190fc9be71
sha256 17da1b1286bed12c030bccb8abfcf63543c6baf7022b8ea2a636f24c95744dc1
sha512 306bc2e3fff7ee1909cba08187940bbc13651606837c63ef9e99c6df6165c1e4d45ade524f5e3b11ca5feb12a26cba77b20c90a0a940ad25788d43a87a739823
ripemd-160 fe7f40ed0af11bb8dae36f0d353f262e009f6846

21084816 as geometric shapes

Circle

Radius = n
Diameter 42169632
Circumference 132479806.09579
Area 1.3966561676227E+15

Sphere

Radius = n
Volume 3.9264317746118E+22
Surface area 5.5866246704906E+15
Circumference 132479806.09579

Square

Length = n
Perimeter 84339264
Area 444569465753856
Diagonal 29818432.747341

Cube

Length = n
Surface area 2667416794523136
Volume 9.3736653846384E+21
Space diagonal 36519972.580241

Equilateral Triangle

Length = n
Perimeter 63254448
Area 1.9250422554486E+14
Altitude 18259986.290121

Triangular Pyramid

Length = n
Surface area 1.9250422554486E+14
Volume 1.1046970596752E+21
Height 9939477.5824471