21086445 (number)

21086445 is an odd 8-digits composite number following 21086444 and preceding 21086446. In scientific notation, it is written as 2.1086445 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 11156544 positive integers (up to 21086445) that are relatively prime to 21086445.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand four hundred forty-five

Notation

Scientific notation 2.1086445 × 10^7
Engineering notation 2.1086445 × 10^6

Prime Factorization of 21086445

Prime Factorization 5 × 3 × 127 × 11069

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21086445
Product of the distinct prime numbers

The prime factorization of 21086445 is 5 × 3 × 127 × 11069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 11, 65, 654, 959, 7511, 6510, 79016, 53820, 564239, 386280, 8767283, 3100076, 43251552, 12060484, 657669886, 321047027, 4740241785, 7023558276

Basic calculations (n = 21086445)

Multiplication

n×y
n×2 42172890
n×3 63259335
n×4 84345780
n×5 105432225

Division

n÷y
n÷2 10543222.5
n÷3 7028815
n÷3 5271611.25
n÷5 4217289

Exponentiation

ny
n2 444638162738025
n3 9.3758381634764E+21
n4 1.9770309576305E+29
n5 4.1688554551372E+36

Nth Root

y√n
2√n 4591.9979311842
3√n 276.27046318935
4√n 67.764282119596
5√n 29.160883207047

Divisors of 21086445

1, 3, 5, 15, 127, 381, 635, 1905, 11069, 33207, 55345, 166035, 1405763, 4217289, 7028815, 21086445

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 -21086444
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 21086445 can be divided by 16 positive divisors. The sum of these divisors (counting 21086445) is 1, the average is 0.0625.

Base conversion 21086445

Base System Value
2 Binary 1010000011100000011101101
3 Ternary 1110200022011110
4 Quaternary 1100130003231
5 Quinary 20344231240
6 Senary 2031542233
8 Octal 120340355
10 Decimal 21086445
12 Duodecimal 708a979
16 Hexadecimal 141c0ed
20 Vigesimal 6bfg25
36 Base36 cjyel

Cryptographic Hash Functions

md5 2b5c7e153b5ed01bb3493130841b2f9b
sha1 d857d48bc102fb2d90d1ead88e31d5e46c1daadf
sha256 5e0bc928aa3e6e7b1c1804ae877f0fad8b97398b2e807e44a09d9cad0974ba53
sha512 763a375dffbe8dda7bca2daf164aed2fb302222f83d208a9c13441a2f79d010866c8b50025b6fa45aa10099909d5c137fa67cba8c096b640f6a7dcdb7321beca
ripemd-160 d6c80c9f6e7e22821236ccd8f4a04fa0ba498265

21086445 as geometric shapes

Circle

Radius = n
Diameter 42172890
Circumference 132490041.40465
Area 1.3968719855634E+15

Sphere

Radius = n
Volume 3.9273419060832E+22
Surface area 5.5874879422538E+15
Circumference 132490041.40465

Square

Length = n
Perimeter 84345780
Area 444638162738025
Diagonal 29820736.501234

Cube

Length = n
Surface area 2667828976428150
Volume 9.3758381634764E+21
Space diagonal 36522794.091007

Equilateral Triangle

Length = n
Perimeter 63259335
Area 1.9253397221158E+14
Altitude 18261397.045503

Triangular Pyramid

Length = n
Surface area 1.9253397221158E+14
Volume 1.104953124117E+21
Height 9940245.5004114