21006836 (number)

21006836 is an even 8-digits composite number following 21006835 and preceding 21006837. In scientific notation, it is written as 2.1006836 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10464120 positive integers (up to 21006836) that are relatively prime to 21006836.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand eight hundred thirty-six

Notation

Scientific notation 2.1006836 × 10^7
Engineering notation 2.1006836 × 10^6

Prime Factorization of 21006836

Prime Factorization 2 × 2 × 271 × 19379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10503418
Product of the distinct prime numbers

The prime factorization of 21006836 is 2 × 2 × 271 × 19379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 44, 14, 401, 11, 6494, 9587, 21820, 56186, 856006, 782572, 5108642, 5284143, 1512310, 80569299, 726692495, 853849377, 1540771639, 5737839119

Basic calculations (n = 21006836)

Multiplication

n×y
n×2 42013672
n×3 63020508
n×4 84027344
n×5 105034180

Division

n÷y
n÷2 10503418
n÷3 7002278.6666667
n÷3 5251709
n÷5 4201367.2

Exponentiation

ny
n2 441287158730896
n3 9.2700469723659E+21
n4 1.9473435646079E+29
n5 4.0907526897373E+36

Nth Root

y√n
2√n 4583.321503015
3√n 275.92235090729
4√n 67.700232665886
5√n 29.138831291998

Divisors of 21006836

1, 2, 4, 271, 542, 1084, 19379, 38758, 77516, 5251709, 10503418, 21006836

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21006835
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006836 can be divided by 12 positive divisors. The sum of these divisors (counting 21006836) is 1, the average is 0.083333333333333.

Base conversion 21006836

Base System Value
2 Binary 1010000001000100111110100
3 Ternary 1110112020221222
4 Quaternary 1100020213310
5 Quinary 20334204321
6 Senary 2030125512
8 Octal 120104764
10 Decimal 21006836
12 Duodecimal 7050898
16 Hexadecimal 14089f4
20 Vigesimal 6b5h1g
36 Base36 ci8z8

Cryptographic Hash Functions

md5 4f05dea3ddec1e96e12de8a884254e8d
sha1 00f4a49bbf01a5cdd7196c582f8741f97f40cb04
sha256 fc05f0ac3c113d21057a55f4543725478ecec26f414fb42f8a86f7db0db06701
sha512 e8b99167f548e1eb0d4955fcfeb8003d99627b761ec4b28bb9f153b7e56d7def470455c44b26b18e364aa8b992fb4cfe58199ea940e530f36a2503bf57d8289a
ripemd-160 bfeea107842ec600e445b17267172b1452227531

21006836 as geometric shapes

Circle

Radius = n
Diameter 42013672
Circumference 131989843.30553
Area 1.3863444959925E+15

Sphere

Radius = n
Volume 3.8830281955756E+22
Surface area 5.54537798397E+15
Circumference 131989843.30553

Square

Length = n
Perimeter 84027344
Area 441287158730896
Diagonal 29708152.373747

Cube

Length = n
Surface area 2647722952385376
Volume 9.2700469723659E+21
Space diagonal 36384907.258267

Equilateral Triangle

Length = n
Perimeter 63020508
Area 1.9108294491241E+14
Altitude 18192453.629133

Triangular Pyramid

Length = n
Surface area 1.9108294491241E+14
Volume 1.0924855126796E+21
Height 9902717.4579158