21082085 (number)

21082085 is an odd 8-digits composite number following 21082084 and preceding 21082086. In scientific notation, it is written as 2.1082085 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 16396608 positive integers (up to 21082085) that are relatively prime to 21082085.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082085 × 10^7
Engineering notation 2.1082085 × 10^6

Prime Factorization of 21082085

Prime Factorization 5 × 317 × 47 × 283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21082085
Product of the distinct prime numbers

The prime factorization of 21082085 is 5 × 317 × 47 × 283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 20, 21, 651, 585, 6405, 9502, 23719, 32622, 436416, 730424, 6204958, 4859557, 19233505, 16369109, 6820011, 573084233, 6844477213, 5002421618

Basic calculations (n = 21082085)

Multiplication

n×y
n×2 42164170
n×3 63246255
n×4 84328340
n×5 105410425

Division

n÷y
n÷2 10541042.5
n÷3 7027361.6666667
n÷3 5270521.25
n÷5 4216417

Exponentiation

ny
n2 444454307947225
n3 9.3700234987596E+21
n4 1.9753963185285E+29
n5 4.1645473095904E+36

Nth Root

y√n
2√n 4591.5231677516
3√n 276.25142058878
4√n 67.760778978341
5√n 29.159677200367

Divisors of 21082085

1, 5, 47, 235, 283, 317, 1415, 1585, 13301, 14899, 66505, 74495, 89711, 448555, 4216417, 21082085

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 -21082084
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 21082085 can be divided by 16 positive divisors. The sum of these divisors (counting 21082085) is 1, the average is 0.0625.

Base conversion 21082085

Base System Value
2 Binary 1010000011010111111100101
3 Ternary 1110200002011222
4 Quaternary 1100122333211
5 Quinary 20344111320
6 Senary 2031510125
8 Octal 120327745
10 Decimal 21082085
12 Duodecimal 7088345
16 Hexadecimal 141afe5
20 Vigesimal 6bf545
36 Base36 cjv1h

Cryptographic Hash Functions

md5 fcaaff793673adc4a50cec55fe282a4d
sha1 e6ffca9555bda84eb228ff4adedea1fb1a877a66
sha256 e8f0c8f4506155b8aa1b67ffd0924d1872709571fbca35b7259b8e3a73cc60a2
sha512 4d21277d2b371942cb06b9a9585794ef5b018378d122446776d8c8c310560c2f933c0781919636ffdd6bdb79e964fd324a89c29708a385e6095729376d3bab05
ripemd-160 b561def37c300fac4f5278f3dbd7e734a399a8b5

21082085 as geometric shapes

Circle

Radius = n
Diameter 42164170
Circumference 132462646.71671
Area 1.3962943887033E+15

Sphere

Radius = n
Volume 3.9249062650222E+22
Surface area 5.5851775548134E+15
Circumference 132462646.71671

Square

Length = n
Perimeter 84328340
Area 444454307947225
Diagonal 29814570.530102

Cube

Length = n
Surface area 2666725847683350
Volume 9.3700234987596E+21
Space diagonal 36515242.349486

Equilateral Triangle

Length = n
Perimeter 63246255
Area 1.9245436075186E+14
Altitude 18257621.174743

Triangular Pyramid

Length = n
Surface area 1.9245436075186E+14
Volume 1.1042678593084E+21
Height 9938190.1767008