21861804 (number)

21861804 is an even 8-digits composite number following 21861803 and preceding 21861805. In scientific notation, it is written as 2.1861804 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 7231120 positive integers (up to 21861804) that are relatively prime to 21861804.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1861804 × 10^7
Engineering notation 2.1861804 × 10^6

Prime Factorization of 21861804

Prime Factorization 2 × 2 × 3 × 131 × 13907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10930902
Product of the distinct prime numbers

The prime factorization of 21861804 is 2 × 2 × 3 × 131 × 13907. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21861804)

Multiplication

n×y
n×2 43723608
n×3 65585412
n×4 87447216
n×5 109309020

Division

n÷y
n÷2 10930902
n÷3 7287268
n÷3 5465451
n÷5 4372360.8

Exponentiation

ny
n2 477938474134416
n3 1.0448597245586E+22
n4 2.2842518505793E+29
n5 4.9937866244003E+36

Nth Root

y√n
2√n 4675.6608089125
3√n 279.61598718248
4√n 68.378803798491
5√n 29.372248867196

Divisors of 21861804

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 -21861803
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 21861804 can be divided by 24 positive divisors. The sum of these divisors (counting 21861804) is 1, the average is 0.041666666666667.

Base conversion 21861804

Base System Value
2 Binary 1010011011001010110101100
3 Ternary 1112010200202110
4 Quaternary 1103121112230
5 Quinary 21044034204
6 Senary 2100324020
8 Octal 123312654
10 Decimal 21861804
12 Duodecimal 73a3610
16 Hexadecimal 14d95ac
20 Vigesimal 6gcea4
36 Base36 d0koc

Cryptographic Hash Functions

md5 cf0044df82cbe9c6a89a4ae7d5773a9d
sha1 46d91fd51ecf1f187362707a1eb4f84e4c86c369
sha256 42fe15d8ce564cd955694c64f97dbf4b6e02a91056d0d95d96957d2f294f669f
sha512 02563d9459633c0d7670fe52339226edb1ccc4028bbb5799e9fa9a9e3cc6e3efaa31050c7f9bf765c59ee3c45f5f8c39fccbe2e22f47d30826bffe472065db5c
ripemd-160 63ec9471b51c99bf94b0361de64655af7186be09

21861804 as geometric shapes

Circle

Radius = n
Diameter 43723608
Circumference 137361765.68124
Area 1.5014879992086E+15

Sphere

Radius = n
Volume 4.3766981796067E+22
Surface area 6.0059519968344E+15
Circumference 137361765.68124

Square

Length = n
Perimeter 87447216
Area 477938474134416
Diagonal 30917259.714742

Cube

Length = n
Surface area 2867630844806496
Volume 1.0448597245586E+22
Space diagonal 37865755.273113

Equilateral Triangle

Length = n
Perimeter 65585412
Area 2.0695343002319E+14
Altitude 18932877.636556

Triangular Pyramid

Length = n
Surface area 2.0695343002319E+14
Volume 1.2313789943735E+21
Height 10305753.238247