21279912 (number)

21279912 is an even 8-digits composite number following 21279911 and preceding 21279913. In scientific notation, it is written as 2.1279912 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors. There are 7093296 positive integers (up to 21279912) that are relatively prime to 21279912.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-nine thousand nine hundred twelve

Notation

Scientific notation 2.1279912 × 10^7
Engineering notation 2.1279912 × 10^6

Prime Factorization of 21279912

Prime Factorization 2 × 2 × 2 × 3 × 886663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5319978
Product of the distinct prime numbers

The prime factorization of 21279912 is 2 × 2 × 2 × 3 × 886663. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 31, 31, 843, 365, 5875, 7498, 76506, 85758, 931654, 533852, 4575773, 4854572, 66767719, 5543426, 517827537, 511916750, 1679423588, 2895703271

Basic calculations (n = 21279912)

Multiplication

n×y
n×2 42559824
n×3 63839736
n×4 85119648
n×5 106399560

Division

n÷y
n÷2 10639956
n÷3 7093304
n÷3 5319978
n÷5 4255982.4

Exponentiation

ny
n2 452834654727744
n3 9.6362816031568E+21
n4 2.050592245224E+29
n5 4.3636422526248E+36

Nth Root

y√n
2√n 4613.0154996488
3√n 277.11281446103
4√n 67.919183590859
5√n 29.214197808358

Divisors of 21279912

1, 2, 3, 4, 6, 8, 12, 24, 886663, 1773326, 2659989, 3546652, 5319978, 7093304, 10639956, 21279912

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 -21279911
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 21279912 can be divided by 16 positive divisors. The sum of these divisors (counting 21279912) is 1, the average is 0.0625.

Base conversion 21279912

Base System Value
2 Binary 1010001001011010010101000
3 Ternary 1111001010112220
4 Quaternary 1101023102220
5 Quinary 20421424122
6 Senary 2040034040
8 Octal 121132250
10 Decimal 21279912
12 Duodecimal 7162920
16 Hexadecimal 144b4a8
20 Vigesimal 6cjjfc
36 Base36 co3oo

Cryptographic Hash Functions

md5 09defdf3ac9553ade2937c680814cef7
sha1 632b4a607cdb1c63d13602f6657e04ef20f44a35
sha256 21a9d5cc6014a6be5392e15f00504f764d63fde9a40db481d9fce93fe087dba3
sha512 41fa2767811dbf2397831ca107481c76c82707d02b0d5f3f5794b27e1862b35813138e7f8b3f5212713e6bce1b97633e0f4caa1290421cec3bdafe5f5ed2478b
ripemd-160 af20e8feed804f53d51c3fa8432d46e6fa7a1596

21279912 as geometric shapes

Circle

Radius = n
Diameter 42559824
Circumference 133705630.41647
Area 1.4226220245836E+15

Sphere

Radius = n
Volume 4.0364361989866E+22
Surface area 5.6904880983342E+15
Circumference 133705630.41647

Square

Length = n
Perimeter 85119648
Area 452834654727744
Diagonal 30094340.156506

Cube

Length = n
Surface area 2717007928366464
Volume 9.6362816031568E+21
Space diagonal 36857888.764595

Equilateral Triangle

Length = n
Perimeter 63839736
Area 1.9608315735409E+14
Altitude 18428944.382297

Triangular Pyramid

Length = n
Surface area 1.9608315735409E+14
Volume 1.1356466778359E+21
Height 10031446.718835