21809963 (number)

21809963 is an odd 8-digits composite number following 21809962 and preceding 21809964. In scientific notation, it is written as 2.1809963 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 17592960 positive integers (up to 21809963) that are relatively prime to 21809963.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred nine thousand nine hundred sixty-three

Notation

Scientific notation 2.1809963 × 10^7
Engineering notation 2.1809963 × 10^6

Prime Factorization of 21809963

Prime Factorization 17 × 7 × 17 × 10781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1282939
Product of the distinct prime numbers

The prime factorization of 21809963 is 17 × 7 × 17 × 10781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21809963)

Multiplication

n×y
n×2 43619926
n×3 65429889
n×4 87239852
n×5 109049815

Division

n÷y
n÷2 10904981.5
n÷3 7269987.6666667
n÷3 5452490.75
n÷5 4361992.6

Exponentiation

ny
n2 475674486061369
n3 1.0374442941042E+22
n4 2.2626621668975E+29
n5 4.9348578141534E+36

Nth Root

y√n
2√n 4670.1138101764
3√n 279.39479401049
4√n 68.338230955859
5√n 29.35830552461

Divisors of 21809963

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 -21809962
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 21809963 can be divided by 12 positive divisors. The sum of these divisors (counting 21809963) is 1, the average is 0.083333333333333.

Base conversion 21809963

Base System Value
2 Binary 1010011001100101100101011
3 Ternary 1112001001122102
4 Quaternary 1103030230223
5 Quinary 21040404323
6 Senary 2055244015
8 Octal 123145453
10 Decimal 21809963
12 Duodecimal 737960b
16 Hexadecimal 14ccb2b
20 Vigesimal 6g64i3
36 Base36 czgob

Cryptographic Hash Functions

md5 9c9a5f2deae34b56524f4a0a642cac58
sha1 84641772e0357c0e86b63a36ad006895bdbf641d
sha256 631b934a1f1b366c189903b178fbc2acfa615a1fa15fd15c3189b2a49b88f4f1
sha512 6ff49a57ffd4b44bcddf44831fc7852b7f8bf7cc8f91406a5b8e12f0280055fa9a2584d3f702946cd30a0c2eac12d7c13a3e3d9fbab848cbd941162481174c94
ripemd-160 3401d3743c683244b7fdd586a087842d54d7d2ce

21809963 as geometric shapes

Circle

Radius = n
Diameter 43619926
Circumference 137036039.07173
Area 1.4943754709105E+15

Sphere

Radius = n
Volume 4.3456364971554E+22
Surface area 5.977501883642E+15
Circumference 137036039.07173

Square

Length = n
Perimeter 87239852
Area 475674486061369
Diagonal 30843945.469455

Cube

Length = n
Surface area 2854046916368214
Volume 1.0374442941042E+22
Space diagonal 37775964.027197

Equilateral Triangle

Length = n
Perimeter 65429889
Area 2.0597309443063E+14
Altitude 18887982.013599

Triangular Pyramid

Length = n
Surface area 2.0597309443063E+14
Volume 1.222639825774E+21
Height 10281315.156485