21509982 (number)

21509982 is an even 8-digits composite number following 21509981 and preceding 21509983. In scientific notation, it is written as 2.1509982 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6615648 positive integers (up to 21509982) that are relatively prime to 21509982.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred nine thousand nine hundred eighty-two

Notation

Scientific notation 2.1509982 × 10^7
Engineering notation 2.1509982 × 10^6

Prime Factorization of 21509982

Prime Factorization 2 × 27 × 169 × 2357

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21509982
Product of the distinct prime numbers

The prime factorization of 21509982 is 2 × 27 × 169 × 2357. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 28, 30, 336, 433, 1423, 2471, 25600, 70205, 522906, 219365, 943786, 4589402, 2722496, 16746223, 220952044, 531791033, 9444829378, 6728217598

Basic calculations (n = 21509982)

Multiplication

n×y
n×2 43019964
n×3 64529946
n×4 86039928
n×5 107549910

Division

n÷y
n÷2 10754991
n÷3 7169994
n÷3 5377495.5
n÷5 4301996.4

Exponentiation

ny
n2 462679325640324
n3 9.9522239662955E+21
n4 2.1407215837498E+29
n5 4.6046882733471E+36

Nth Root

y√n
2√n 4637.885509583
3√n 278.10791490386
4√n 68.102022800964
5√n 29.277096850153

Divisors of 21509982

1, 2, 27, 54, 169, 338, 2357, 4563, 4714, 9126, 63639, 127278, 398333, 796666, 10754991, 21509982

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 -21509981
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 21509982 can be divided by 16 positive divisors. The sum of these divisors (counting 21509982) is 1, the average is 0.0625.

Base conversion 21509982

Base System Value
2 Binary 1010010000011011101011110
3 Ternary 1111110211011000
4 Quaternary 1102003131132
5 Quinary 21001304412
6 Senary 2045011130
8 Octal 122033536
10 Decimal 21509982
12 Duodecimal 7253aa6
16 Hexadecimal 148375e
20 Vigesimal 6e8ej2
36 Base36 ct17i

Cryptographic Hash Functions

md5 570b94e2bb70ba51f8be3ac067db57f3
sha1 5bbaa9f7a21a0b3043ee998faeee927f72f23bc1
sha256 6826dd865b1bff315ea4319d63008a406166f3a304885174980158f01b9e35fe
sha512 a1cf231c248ee98db9be4376d0bfc42c53478a579a800ce08c37c9cc9b819170802ac19ca29267495988f28bde89962313314ee60b8a87ac4ff6abe9615a3ae3
ripemd-160 0f184bf288f7898b5c094ffc0d308e1c2d4a772e

21509982 as geometric shapes

Circle

Radius = n
Diameter 43019964
Circumference 135151202.8601
Area 1.4535499703995E+15

Sphere

Radius = n
Volume 4.1687778265859E+22
Surface area 5.8141998815981E+15
Circumference 135151202.8601

Square

Length = n
Perimeter 86039928
Area 462679325640324
Diagonal 30419708.270801

Cube

Length = n
Surface area 2776075953841944
Volume 9.9522239662955E+21
Space diagonal 37256381.693892

Equilateral Triangle

Length = n
Perimeter 64529946
Area 2.0034602490519E+14
Altitude 18628190.846946

Triangular Pyramid

Length = n
Surface area 2.0034602490519E+14
Volume 1.1728808424091E+21
Height 10139902.756934