21804788 (number)

21804788 is an even 8-digits composite number following 21804787 and preceding 21804789. In scientific notation, it is written as 2.1804788 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 10832640 positive integers (up to 21804788) that are relatively prime to 21804788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1804788 × 10^7
Engineering notation 2.1804788 × 10^6

Prime Factorization of 21804788

Prime Factorization 2 × 2 × 157 × 34721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10902394
Product of the distinct prime numbers

The prime factorization of 21804788 is 2 × 2 × 157 × 34721. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 48, 81, 315, 520, 7438, 3476, 68741, 3456, 321231, 236038, 8854485, 2298059, 15208646, 38865739, 764244265, 732511985, 2612916287, 9208427044

Basic calculations (n = 21804788)

Multiplication

n×y
n×2 43609576
n×3 65414364
n×4 87219152
n×5 109023940

Division

n÷y
n÷2 10902394
n÷3 7268262.6666667
n÷3 5451197
n÷5 4360957.6

Exponentiation

ny
n2 475448779724944
n3 1.0367059846761E+22
n4 2.2605154214194E+29
n5 4.929005953478E+36

Nth Root

y√n
2√n 4669.5597222865
3√n 279.37269428737
4√n 68.334176824532
5√n 29.356912182926

Divisors of 21804788

1, 2, 4, 157, 314, 628, 34721, 69442, 138884, 5451197, 10902394, 21804788

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21804787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21804788 can be divided by 12 positive divisors. The sum of these divisors (counting 21804788) is 1, the average is 0.083333333333333.

Base conversion 21804788

Base System Value
2 Binary 1010011001011011011110100
3 Ternary 1112000210112202
4 Quaternary 1103023123310
5 Quinary 21040223123
6 Senary 2055204032
8 Octal 123133364
10 Decimal 21804788
12 Duodecimal 7376618
16 Hexadecimal 14cb6f4
20 Vigesimal 6g5bj8
36 Base36 czcok

Cryptographic Hash Functions

md5 ba7dab720e54f0969ce594beaaca0e41
sha1 1304dfabc35f7bb0eaa4d60432b1d28b1ba882bf
sha256 1270ecc910ab802404b45e3338d9e4a9b17aa696e7745ca9cbb669686f5bc2a9
sha512 234b5ca12a29790c502f70e1e076f7aa7d7ef18165d58d342d5f3eac263695e8d295aa0db351ef8da6ab25c2c6b4c085168f0dfed561d26339016fcfd4b5a187
ripemd-160 9561ef42032422293fce04f3caca4408c27de352

21804788 as geometric shapes

Circle

Radius = n
Diameter 43609576
Circumference 137003523.58777
Area 1.4936663935421E+15

Sphere

Radius = n
Volume 4.3425438738547E+22
Surface area 5.9746655741685E+15
Circumference 137003523.58777

Square

Length = n
Perimeter 87219152
Area 475448779724944
Diagonal 30836626.91427

Cube

Length = n
Surface area 2852692678349664
Volume 1.0367059846761E+22
Space diagonal 37767000.664268

Equilateral Triangle

Length = n
Perimeter 65414364
Area 2.0587536072006E+14
Altitude 18883500.332134

Triangular Pyramid

Length = n
Surface area 2.0587536072006E+14
Volume 1.2217697197686E+21
Height 10278875.63809