21609971 (number)

21609971 is an odd 8-digits composite number following 21609970 and preceding 21609972. In scientific notation, it is written as 2.1609971 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 21313872 positive integers (up to 21609971) that are relatively prime to 21609971.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred nine thousand nine hundred seventy-one

Notation

Scientific notation 2.1609971 × 10^7
Engineering notation 2.1609971 × 10^6

Prime Factorization of 21609971

Prime Factorization 73 × 296027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21609971
Product of the distinct prime numbers

The prime factorization of 21609971 is 73 × 296027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609971)

Multiplication

n×y
n×2 43219942
n×3 64829913
n×4 86439884
n×5 108049855

Division

n÷y
n÷2 10804985.5
n÷3 7203323.6666667
n÷3 5402492.75
n÷5 4321994.2

Exponentiation

ny
n2 466990846620841
n3 1.0091658652742E+22
n4 2.1808045082765E+29
n5 4.7127122180524E+36

Nth Root

y√n
2√n 4648.6526004854
3√n 278.53817646364
4√n 68.181028156559
5√n 29.3042652559

Divisors of 21609971

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21609970
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21609971 can be divided by 4 positive divisors. The sum of these divisors (counting 21609971) is 1, the average is 0.25.

Base conversion 21609971

Base System Value
2 Binary 1010010011011110111110011
3 Ternary 1111122220022022
4 Quaternary 1102123313303
5 Quinary 21013004341
6 Senary 2051102055
8 Octal 122336763
10 Decimal 21609971
12 Duodecimal 72a192b
16 Hexadecimal 149bdf3
20 Vigesimal 6f14ib
36 Base36 cv6cz

Cryptographic Hash Functions

md5 ef6dd37e64d1f6325f8768a8cc3aca42
sha1 ef5b97f8eaf071185eefb9f49c8ea6fcf2ad967f
sha256 d11b12c2182461419eb14727304cc0d8d0af181819d4066772f8413a5a931854
sha512 7ba9b2b1c46792c4841d106df330d7fbf188fe061eaabf82af485b14bedc1ab154ac0a39350e3e9dd5fc8445d03c668d754e3f06f6888296a42d277dbfe41669
ripemd-160 2524f1d6daee66f4302712f5df44d7d13628d422

21609971 as geometric shapes

Circle

Radius = n
Diameter 43219942
Circumference 135779452.27578
Area 1.4670950130377E+15

Sphere

Radius = n
Volume 4.2271840914653E+22
Surface area 5.8683800521508E+15
Circumference 135779452.27578

Square

Length = n
Perimeter 86439884
Area 466990846620841
Diagonal 30561114.070689

Cube

Length = n
Surface area 2801945079725046
Volume 1.0091658652742E+22
Space diagonal 37429567.72209

Equilateral Triangle

Length = n
Perimeter 64829913
Area 2.0221296825423E+14
Altitude 18714783.861045

Triangular Pyramid

Length = n
Surface area 2.0221296825423E+14
Volume 1.1893133777956E+21
Height 10187038.023563