21085736 (number)

21085736 is an even 8-digits composite number following 21085735 and preceding 21085737. In scientific notation, it is written as 2.1085736 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors. There are 9036720 positive integers (up to 21085736) that are relatively prime to 21085736.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand seven hundred thirty-six

Notation

Scientific notation 2.1085736 × 10^7
Engineering notation 2.1085736 × 10^6

Prime Factorization of 21085736

Prime Factorization 2 × 2 × 2 × 7 × 376531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5271434
Product of the distinct prime numbers

The prime factorization of 21085736 is 2 × 2 × 2 × 7 × 376531. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085736)

Multiplication

n×y
n×2 42171472
n×3 63257208
n×4 84342944
n×5 105428680

Division

n÷y
n÷2 10542868
n÷3 7028578.6666667
n÷3 5271434
n÷5 4217147.2

Exponentiation

ny
n2 444608262661696
n3 9.3748924499032E+21
n4 1.9767650722705E+29
n5 4.1681546447917E+36

Nth Root

y√n
2√n 4591.9207310231
3√n 276.26736676171
4√n 67.763712494396
5√n 29.160687106241

Divisors of 21085736

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 -21085735
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 21085736 can be divided by 16 positive divisors. The sum of these divisors (counting 21085736) is 1, the average is 0.0625.

Base conversion 21085736

Base System Value
2 Binary 1010000011011111000101000
3 Ternary 1110200021012012
4 Quaternary 1100123320220
5 Quinary 20344220421
6 Senary 2031535052
8 Octal 120337050
10 Decimal 21085736
12 Duodecimal 708a488
16 Hexadecimal 141be28
20 Vigesimal 6bfe6g
36 Base36 cjxuw

Cryptographic Hash Functions

md5 99d5f375ddc3b75f30777b48d1e3548d
sha1 ba645646f7f64068d27a082f71e9da0992674cc6
sha256 85ce5f25f967e724431564614dded487421d3577452c86ce0bd37150073e418c
sha512 7a993443a937dcf79f9f93e8341bb5de935fca5b869907d0feab83c6b578b6a117c1706208344b949a7094dbf4a7704c6ab7ec554370fdd0192fc3d3c785f129
ripemd-160 b7ee59bb740d50e7551b64ad704d0fb3f24a56b1

21085736 as geometric shapes

Circle

Radius = n
Diameter 42171472
Circumference 132485586.62627
Area 1.3967780517033E+15

Sphere

Radius = n
Volume 3.926945766508E+22
Surface area 5.5871122068132E+15
Circumference 132485586.62627

Square

Length = n
Perimeter 84342944
Area 444608262661696
Diagonal 29819733.823819

Cube

Length = n
Surface area 2667649575970176
Volume 9.3748924499032E+21
Space diagonal 36521566.066984

Equilateral Triangle

Length = n
Perimeter 63257208
Area 1.9252102509875E+14
Altitude 18260783.033492

Triangular Pyramid

Length = n
Surface area 1.9252102509875E+14
Volume 1.1048416707035E+21
Height 9939911.2746062