21804908 (number)

21804908 is an even 8-digits composite number following 21804907 and preceding 21804909. In scientific notation, it is written as 2.1804908 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 10859520 positive integers (up to 21804908) that are relatively prime to 21804908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1804908 × 10^7
Engineering notation 2.1804908 × 10^6

Prime Factorization of 21804908

Prime Factorization 2 × 2 × 257 × 21211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10902454
Product of the distinct prime numbers

The prime factorization of 21804908 is 2 × 2 × 257 × 21211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 28, 58, 10, 781, 8856, 187, 3989, 74651, 47289, 449201, 912202, 539307, 88042432, 24001107, 167270047, 344963562, 1517363056, 7565860477

Basic calculations (n = 21804908)

Multiplication

n×y
n×2 43609816
n×3 65414724
n×4 87219632
n×5 109024540

Division

n÷y
n÷2 10902454
n÷3 7268302.6666667
n÷3 5451227
n÷5 4360981.6

Exponentiation

ny
n2 475454012888464
n3 1.0367231009264E+22
n4 2.2605651837174E+29
n5 4.9291415858962E+36

Nth Root

y√n
2√n 4669.5725714459
3√n 279.37320678431
4√n 68.334270841547
5√n 29.356944495294

Divisors of 21804908

1, 2, 4, 257, 514, 1028, 21211, 42422, 84844, 5451227, 10902454, 21804908

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 -21804907
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 21804908 can be divided by 12 positive divisors. The sum of these divisors (counting 21804908) is 1, the average is 0.083333333333333.

Base conversion 21804908

Base System Value
2 Binary 1010011001011011101101100
3 Ternary 1112000210201012
4 Quaternary 1103023131230
5 Quinary 21040224113
6 Senary 2055204352
8 Octal 123133554
10 Decimal 21804908
12 Duodecimal 73766b8
16 Hexadecimal 14cb76c
20 Vigesimal 6g5c58
36 Base36 czcrw

Cryptographic Hash Functions

md5 1623068ed5661d40881743097ad0beda
sha1 eab6a723adc2dceed81a9a34ebe3891d4f7314f0
sha256 a9fcbdf28412c941d6c9cef3816c8af7b9864db237b7544f042fb0edf782b93f
sha512 ed8acff2f4b05b91d9c97df7d9b0a1e4a8d981fdaf4f10836f0eaec726bd2120fbce74cae164531352e4ba43ebea96bb4b749cb02bd43dca0a2d21ce98ce24a5
ripemd-160 9006993111c8bcca67fc5d0b6bb4fb0cfb8cdfec

21804908 as geometric shapes

Circle

Radius = n
Diameter 43609816
Circumference 137004277.57
Area 1.4936828340102E+15

Sphere

Radius = n
Volume 4.3426155702362E+22
Surface area 5.9747313360407E+15
Circumference 137004277.57

Square

Length = n
Perimeter 87219632
Area 475454012888464
Diagonal 30836796.619898

Cube

Length = n
Surface area 2852724077330784
Volume 1.0367231009264E+22
Space diagonal 37767208.510365

Equilateral Triangle

Length = n
Perimeter 65414724
Area 2.0587762674633E+14
Altitude 18883604.255183

Triangular Pyramid

Length = n
Surface area 2.0587762674633E+14
Volume 1.221789891463E+21
Height 10278932.206633