21084820 (number)

21084820 is an even 8-digits composite number following 21084819 and preceding 21084821. In scientific notation, it is written as 2.1084820 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 8205696 positive integers (up to 21084820) that are relatively prime to 21084820.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1084820 × 10^7
Engineering notation 2.1084820 × 10^6

Prime Factorization of 21084820

Prime Factorization 2 × 2 × 5 × 37 × 28493

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10542410
Product of the distinct prime numbers

The prime factorization of 21084820 is 2 × 2 × 5 × 37 × 28493. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 1, 41, 22, 416, 426, 4398, 2562, 449, 23819, 376225, 133135, 7869537, 4061152, 24801668, 847434, 38985039, 857481807, 272673275, 427696318

Basic calculations (n = 21084820)

Multiplication

n×y
n×2 42169640
n×3 63254460
n×4 84339280
n×5 105424100

Division

n÷y
n÷2 10542410
n÷3 7028273.3333333
n÷3 5271205
n÷5 4216964

Exponentiation

ny
n2 444569634432400
n3 9.373670719473E+21
n4 1.9764215985936E+29
n5 4.1672493650458E+36

Nth Root

y√n
2√n 4591.8209895422
3√n 276.2633661967
4√n 67.762976539864
5√n 29.160433743935

Divisors of 21084820

1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28493, 56986, 113972, 142465, 284930, 569860, 1054241, 2108482, 4216964, 5271205, 10542410, 21084820

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 -21084819
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 21084820 can be divided by 24 positive divisors. The sum of these divisors (counting 21084820) is 1, the average is 0.041666666666667.

Base conversion 21084820

Base System Value
2 Binary 1010000011011101010010100
3 Ternary 1110200012221021
4 Quaternary 1100123222110
5 Quinary 20344203240
6 Senary 2031530524
8 Octal 120335224
10 Decimal 21084820
12 Duodecimal 7089a44
16 Hexadecimal 141ba94
20 Vigesimal 6bfc10
36 Base36 cjx5g

Cryptographic Hash Functions

md5 004ee34aa587c6fb3791c9f99fbcb8f2
sha1 419e8637e566c4edd5838f0b91208774d837e66f
sha256 cd2a2aa0e7a1588387618bf95facff75f435f853b54c1191509ac022ed8c899c
sha512 dc751c65aab64412c7a811ceb5f58649b740edafbaa295ae1fd28ed5703b5bf3a169bfc305dd6f7bb1a00252c7f842d358da9fb769df70a1a20aa3afd254ead5
ripemd-160 8a7173ecf46eb349a9c6c8ee6dff6cbff0969a51

21084820 as geometric shapes

Circle

Radius = n
Diameter 42169640
Circumference 132479831.22853
Area 1.3966566975419E+15

Sphere

Radius = n
Volume 3.9264340092621E+22
Surface area 5.5866267901677E+15
Circumference 132479831.22853

Square

Length = n
Perimeter 84339280
Area 444569634432400
Diagonal 29818438.404195

Cube

Length = n
Surface area 2667417806594400
Volume 9.373670719473E+21
Space diagonal 36519979.508444

Equilateral Triangle

Length = n
Perimeter 63254460
Area 1.9250429858481E+14
Altitude 18259989.754222

Triangular Pyramid

Length = n
Surface area 1.9250429858481E+14
Volume 1.1046976883915E+21
Height 9939479.4680652