21082585 (number)

21082585 is an odd 8-digits composite number following 21082584 and preceding 21082586. In scientific notation, it is written as 2.1082585 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 16866064 positive integers (up to 21082585) that are relatively prime to 21082585.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082585 × 10^7
Engineering notation 2.1082585 × 10^6

Prime Factorization of 21082585

Prime Factorization 5 × 4216517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21082585
Product of the distinct prime numbers

The prime factorization of 21082585 is 5 × 4216517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082585)

Multiplication

n×y
n×2 42165170
n×3 63247755
n×4 84330340
n×5 105412925

Division

n÷y
n÷2 10541292.5
n÷3 7027528.3333333
n÷3 5270646.25
n÷5 4216517

Exponentiation

ny
n2 444475390282225
n3 9.3706901960332E+21
n4 1.9755837256654E+29
n5 4.1650411820957E+36

Nth Root

y√n
2√n 4591.5776155914
3√n 276.25360450652
4√n 67.761180742306
5√n 29.159815514014

Divisors of 21082585

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 -21082584
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 21082585 can be divided by 4 positive divisors. The sum of these divisors (counting 21082585) is 1, the average is 0.25.

Base conversion 21082585

Base System Value
2 Binary 1010000011011000111011001
3 Ternary 1110200002212111
4 Quaternary 1100123013121
5 Quinary 20344120320
6 Senary 2031512321
8 Octal 120330731
10 Decimal 21082585
12 Duodecimal 70886a1
16 Hexadecimal 141b1d9
20 Vigesimal 6bf695
36 Base36 cjvfd

Cryptographic Hash Functions

md5 d2e751a2d634f51cfde3308712a3b26a
sha1 5af40dc98f44fa1102446db5b53c939cee3b358f
sha256 d4aaef7d7ec96e3ef2d88d5360399db902d0b3cfcb828ede634b35deed2cc80f
sha512 07a54d9804c910e9ed4d682ce7a65bad38ddcabf0b70e4738ff86f5e11bce5064fb3aa2c2380264c781f6e9f1d8a1d94c05d5e7580cc39dc1cfda89df189854b
ripemd-160 ef249848d8e094e4eafa13e8c6f16877a71531a9

21082585 as geometric shapes

Circle

Radius = n
Diameter 42165170
Circumference 132465788.30936
Area 1.3963606208121E+15

Sphere

Radius = n
Volume 3.9251855305232E+22
Surface area 5.5854424832484E+15
Circumference 132465788.30936

Square

Length = n
Perimeter 84330340
Area 444475390282225
Diagonal 29815277.636884

Cube

Length = n
Surface area 2666852341693350
Volume 9.3706901960332E+21
Space diagonal 36516108.37489

Equilateral Triangle

Length = n
Perimeter 63247755
Area 1.924634896707E+14
Altitude 18258054.187445

Triangular Pyramid

Length = n
Surface area 1.924634896707E+14
Volume 1.1043464303356E+21
Height 9938425.8789612