21005612 (number)

21005612 is an even 8-digits composite number following 21005611 and preceding 21005613. In scientific notation, it is written as 2.1005612 × 10^7. The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors. There are 10189440 positive integers (up to 21005612) that are relatively prime to 21005612.

Interesting facts

Basic properties

Name

Name twenty-one million five thousand six hundred twelve

Notation

Scientific notation 2.1005612 × 10^7
Engineering notation 2.1005612 × 10^6

Prime Factorization of 21005612

Prime Factorization 2 × 2 × 41 × 367 × 349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10502806
Product of the distinct prime numbers

The prime factorization of 21005612 is 2 × 2 × 41 × 367 × 349. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 83, 100, 267, 786, 9325, 1579, 71246, 90493, 286777, 782168, 9017817, 5615798, 29437384, 96946728, 748594127, 829376084, 1988474501, 7137279335

Basic calculations (n = 21005612)

Multiplication

n×y
n×2 42011224
n×3 63016836
n×4 84022448
n×5 105028060

Division

n÷y
n÷2 10502806
n÷3 7001870.6666667
n÷3 5251403
n÷5 4201122.4

Exponentiation

ny
n2 441235735494544
n3 9.268426660333E+21
n4 1.9468897427741E+29
n5 4.0895610543493E+36

Nth Root

y√n
2√n 4583.1879734525
3√n 275.91699177059
4√n 67.699246476254
5√n 29.138491719101

Divisors of 21005612

1, 2, 4, 41, 82, 164, 349, 367, 698, 734, 1396, 1468, 14309, 15047, 28618, 30094, 57236, 60188, 128083, 256166, 512332, 5251403, 10502806, 21005612

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21005611
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21005612 can be divided by 24 positive divisors. The sum of these divisors (counting 21005612) is 1, the average is 0.041666666666667.

Base conversion 21005612

Base System Value
2 Binary 1010000001000010100101100
3 Ternary 1110112012021122
4 Quaternary 1100020110230
5 Quinary 20334134422
6 Senary 2030120112
8 Octal 120102454
10 Decimal 21005612
12 Duodecimal 7050038
16 Hexadecimal 140852c
20 Vigesimal 6b5e0c
36 Base36 ci818

Cryptographic Hash Functions

md5 0b2b7fb3a9eff568a9c57ae9e21c3932
sha1 8b561a60fa9b5a7ea2245a9e9f2a214c6bf2ea96
sha256 290dfbfe0e962bd0766f4a95fed1148838ac11c11a1b750ce1ae9b7550c5e321
sha512 bf0ee75691d990fe6603cb7c4b35f6997091d513ac90c7c83fd68cda6f72fda63fd7651bae48997f7dfcae50a06b25567ef4f9d3c2a08a2592baeee7b99445b2
ripemd-160 daa03e95c91e2771d9aecdd031e1c6bbe045d675

21005612 as geometric shapes

Circle

Radius = n
Diameter 42011224
Circumference 131982152.68672
Area 1.3861829451309E+15

Sphere

Radius = n
Volume 3.8823494808584E+22
Surface area 5.5447317805238E+15
Circumference 131982152.68672

Square

Length = n
Perimeter 84022448
Area 441235735494544
Diagonal 29706421.376347

Cube

Length = n
Surface area 2647414412967264
Volume 9.268426660333E+21
Space diagonal 36382787.228078

Equilateral Triangle

Length = n
Perimeter 63016836
Area 1.9106067799789E+14
Altitude 18191393.614039

Triangular Pyramid

Length = n
Surface area 1.9106067799789E+14
Volume 1.0922945570753E+21
Height 9902140.4587823