21081804 (number)

21081804 is an even 8-digits composite number following 21081803 and preceding 21081805. In scientific notation, it is written as 2.1081804 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 7027264 positive integers (up to 21081804) that are relatively prime to 21081804.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1081804 × 10^7
Engineering notation 2.1081804 × 10^6

Prime Factorization of 21081804

Prime Factorization 2 × 2 × 3 × 1756817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10540902
Product of the distinct prime numbers

The prime factorization of 21081804 is 2 × 2 × 3 × 1756817. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081804)

Multiplication

n×y
n×2 42163608
n×3 63245412
n×4 84327216
n×5 105409020

Division

n÷y
n÷2 10540902
n÷3 7027268
n÷3 5270451
n÷5 4216360.8

Exponentiation

ny
n2 444442459894416
n3 9.3696488287719E+21
n4 1.97529100157E+29
n5 4.1642697738062E+36

Nth Root

y√n
2√n 4591.4925677823
3√n 276.25019321185
4√n 67.760553183857
5√n 29.159599466946

Divisors of 21081804

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 -21081803
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 21081804 can be divided by 12 positive divisors. The sum of these divisors (counting 21081804) is 1, the average is 0.083333333333333.

Base conversion 21081804

Base System Value
2 Binary 1010000011010111011001100
3 Ternary 1110200001210120
4 Quaternary 1100122323030
5 Quinary 20344104204
6 Senary 2031504540
8 Octal 120327314
10 Decimal 21081804
12 Duodecimal 7088150
16 Hexadecimal 141aecc
20 Vigesimal 6bf4a4
36 Base36 cjuto

Cryptographic Hash Functions

md5 4f185b30260ac620b28cf4c03c6481b4
sha1 392ed7566995e1c67decb8823f40b7e7648989de
sha256 7ba59c61bac4d893d9ba2f6e9b3a436b6af582aa0d97fa307bd722f407ce01d0
sha512 aa05de35dd62a4bef8452f506db16a4e284aa921213eba23baceedabe5064919426f9cd498bfc565d5e84fa6232d4a9749c5864631f375f9825f50bc7fbe8de9
ripemd-160 a484690baa6dbe6fb406cd9bbcce019ee7fb6270

21081804 as geometric shapes

Circle

Radius = n
Diameter 42163608
Circumference 132460881.14164
Area 1.3962571669477E+15

Sphere

Radius = n
Volume 3.9247493236248E+22
Surface area 5.5850286677907E+15
Circumference 132460881.14164

Square

Length = n
Perimeter 84327216
Area 444442459894416
Diagonal 29814173.136091

Cube

Length = n
Surface area 2666654759366496
Volume 9.3696488287719E+21
Space diagonal 36514755.643209

Equilateral Triangle

Length = n
Perimeter 63245412
Area 1.9244923039451E+14
Altitude 18257377.821604

Triangular Pyramid

Length = n
Surface area 1.9244923039451E+14
Volume 1.1042237040269E+21
Height 9938057.7120305