21804872 (number)

21804872 is an even 8-digits composite number following 21804871 and preceding 21804873. In scientific notation, it is written as 2.1804872 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors. There are 10858000 positive integers (up to 21804872) that are relatively prime to 21804872.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred four thousand eight hundred seventy-two

Notation

Scientific notation 2.1804872 × 10^7
Engineering notation 2.1804872 × 10^6

Prime Factorization of 21804872

Prime Factorization 2 × 2 × 2 × 251 × 10859

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5451218
Product of the distinct prime numbers

The prime factorization of 21804872 is 2 × 2 × 2 × 251 × 10859. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21804872)

Multiplication

n×y
n×2 43609744
n×3 65414616
n×4 87219488
n×5 109024360

Division

n÷y
n÷2 10902436
n÷3 7268290.6666667
n÷3 5451218
n÷5 4360974.4

Exponentiation

ny
n2 475452442936384
n3 1.0367179660315E+22
n4 2.2605502549418E+29
n5 4.9291008958572E+36

Nth Root

y√n
2√n 4669.5687167018
3√n 279.37305303543
4√n 68.334242636483
5√n 29.356934801599

Divisors of 21804872

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21804871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21804872 can be divided by 16 positive divisors. The sum of these divisors (counting 21804872) is 1, the average is 0.0625.

Base conversion 21804872

Base System Value
2 Binary 1010011001011011101001000
3 Ternary 1112000210122212
4 Quaternary 1103023131020
5 Quinary 21040223442
6 Senary 2055204252
8 Octal 123133510
10 Decimal 21804872
12 Duodecimal 7376688
16 Hexadecimal 14cb748
20 Vigesimal 6g5c3c
36 Base36 czcqw

Cryptographic Hash Functions

md5 fad925146337c039ba2f52f457a4f4e9
sha1 d60ea1f2c661280c456d8d5a33b83037f0f4a3a8
sha256 8603334e41127ee411ca7fd67c1954ff0f701de0f70cd4c28ab1777b72aa5e82
sha512 d8146ea921c07f5c761e5a626ca1dd4ebf2038abf0e5790815b9fa49196fa9a3cf12d0a80b15312f66219cd59db38a53187802ba0fdb9cba84f467c227bf65cd
ripemd-160 a182ae1ef27d1b117bb5e09a47ef8d0c7c9d75a7

21804872 as geometric shapes

Circle

Radius = n
Diameter 43609744
Circumference 137004051.37533
Area 1.4936779018603E+15

Sphere

Radius = n
Volume 4.3425940612389E+22
Surface area 5.9747116074411E+15
Circumference 137004051.37533

Square

Length = n
Perimeter 87219488
Area 475452442936384
Diagonal 30836745.708209

Cube

Length = n
Surface area 2852714657618304
Volume 1.0367179660315E+22
Space diagonal 37767146.156536

Equilateral Triangle

Length = n
Perimeter 65414616
Area 2.0587694693714E+14
Altitude 18883573.078268

Triangular Pyramid

Length = n
Surface area 2.0587694693714E+14
Volume 1.2217838399313E+21
Height 10278915.23607