21056085 (number)

21056085 is an odd 8-digits composite number following 21056084 and preceding 21056086. In scientific notation, it is written as 2.1056085 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10637568 positive integers (up to 21056085) that are relatively prime to 21056085.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-six thousand eighty-five

Notation

Scientific notation 2.1056085 × 10^7
Engineering notation 2.1056085 × 10^6

Prime Factorization of 21056085

Prime Factorization 15 × 9 × 19 × 8209

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21056085
Product of the distinct prime numbers

The prime factorization of 21056085 is 15 × 9 × 19 × 8209. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 79, 87, 611, 673, 6682, 5794, 13641, 57173, 792775, 207947, 9196141, 808905, 53465833, 96555382, 569678597, 77047574, 4669352560, 5913213613

Basic calculations (n = 21056085)

Multiplication

n×y
n×2 42112170
n×3 63168255
n×4 84224340
n×5 105280425

Division

n÷y
n÷2 10528042.5
n÷3 7018695
n÷3 5264021.25
n÷5 4211217

Exponentiation

ny
n2 443358715527225
n3 9.3353987996321E+21
n4 1.9656695063395E+29
n5 4.1389304207393E+36

Nth Root

y√n
2√n 4588.690989814
3√n 276.137809251
4√n 67.739877397394
5√n 29.152481271807

Divisors of 21056085

1, 9, 15, 19, 135, 171, 285, 2565, 8209, 73881, 123135, 155971, 1108215, 1403739, 2339565, 21056085

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 -21056084
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 21056085 can be divided by 16 positive divisors. The sum of these divisors (counting 21056085) is 1, the average is 0.0625.

Base conversion 21056085

Base System Value
2 Binary 1010000010100101001010101
3 Ternary 1110121202112000
4 Quaternary 1100110221111
5 Quinary 20342243320
6 Senary 2031145513
8 Octal 120245125
10 Decimal 21056085
12 Duodecimal 7075299
16 Hexadecimal 1414a55
20 Vigesimal 6bc045
36 Base36 cjaz9

Cryptographic Hash Functions

md5 d3cb11cd91e6dd5d3a8ddf6934927d2d
sha1 0d80322e4c701326612511bc0dd60c39f6e81ac6
sha256 0e99e13b156ffa7421abf73aefa0f6e28bd838a568524060c49cb8fde44c0a18
sha512 1eb89d5383737b1e3624dbbb142ba6b4a378bde2d68c863874e2c697f0df937c8658203e049754b8e3449d2c28c19ad9d41f3094efe4af0d16328918801bb3eb
ripemd-160 3447257274f8fa6cc7294e3f8c2c37e7eaf968c4

21056085 as geometric shapes

Circle

Radius = n
Diameter 42112170
Circumference 132299283.89872
Area 1.3928524836053E+15

Sphere

Radius = n
Volume 3.9104027049673E+22
Surface area 5.5714099344213E+15
Circumference 132299283.89872

Square

Length = n
Perimeter 84224340
Area 443358715527225
Diagonal 29777800.977481

Cube

Length = n
Surface area 2660152293163350
Volume 9.3353987996321E+21
Space diagonal 36470209.028489

Equilateral Triangle

Length = n
Perimeter 63168255
Area 1.9197995531791E+14
Altitude 18235104.514244

Triangular Pyramid

Length = n
Surface area 1.9197995531791E+14
Volume 1.1001872993834E+21
Height 9925933.6591602