21082817 (number)

21082817 is an odd 8-digits composite number following 21082816 and preceding 21082818. In scientific notation, it is written as 2.1082817 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 17729712 positive integers (up to 21082817) that are relatively prime to 21082817.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand eight hundred seventeen

Notation

Scientific notation 2.1082817 × 10^7
Engineering notation 2.1082817 × 10^6

Prime Factorization of 21082817

Prime Factorization 7 × 53 × 56827

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082817
Product of the distinct prime numbers

The prime factorization of 21082817 is 7 × 53 × 56827. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082817)

Multiplication

n×y
n×2 42165634
n×3 63248451
n×4 84331268
n×5 105414085

Division

n÷y
n÷2 10541408.5
n÷3 7027605.6666667
n÷3 5270704.25
n÷5 4216563.4

Exponentiation

ny
n2 444485172655489
n3 9.3709995543091E+21
n4 1.9756706871058E+29
n5 4.1652703548516E+36

Nth Root

y√n
2√n 4591.6028791698
3√n 276.25461783262
4√n 67.761367158358
5√n 29.159879690655

Divisors of 21082817

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21082816
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21082817 can be divided by 8 positive divisors. The sum of these divisors (counting 21082817) is 1, the average is 0.125.

Base conversion 21082817

Base System Value
2 Binary 1010000011011001011000001
3 Ternary 1110200010012002
4 Quaternary 1100123023001
5 Quinary 20344122232
6 Senary 2031513345
8 Octal 120331301
10 Decimal 21082817
12 Duodecimal 7088855
16 Hexadecimal 141b2c1
20 Vigesimal 6bf70h
36 Base36 cjvlt

Cryptographic Hash Functions

md5 6c4c780bf4622a391f78c4f4c7f6d901
sha1 2a0b444d000257c750f0dabd27c91df46dfbc3d2
sha256 4ea38faf1bc9cf2ca81bed4e071786480be8edd4a0f1ff4e595d8840860359f1
sha512 1cdce0c1adb7a4759c226c30bfd178a5629fd349999015c35d77c95b9d8b4af70ce753dba7eb180efa60ff5240eded1bef18c9c006f347f4f31321ea5af63768
ripemd-160 459116adaf92fdca60c2119021528da49c4d86bb

21082817 as geometric shapes

Circle

Radius = n
Diameter 42165634
Circumference 132467246.00836
Area 1.3963913530441E+15

Sphere

Radius = n
Volume 3.9253151142147E+22
Surface area 5.5855654121763E+15
Circumference 132467246.00836

Square

Length = n
Perimeter 84331268
Area 444485172655489
Diagonal 29815605.73443

Cube

Length = n
Surface area 2666911035932934
Volume 9.3709995543091E+21
Space diagonal 36516510.210677

Equilateral Triangle

Length = n
Perimeter 63248451
Area 1.9246772556258E+14
Altitude 18258255.105338

Triangular Pyramid

Length = n
Surface area 1.9246772556258E+14
Volume 1.104382888558E+21
Height 9938535.24481