21279910 (number)

21279910 is an even 8-digits composite number following 21279909 and preceding 21279911. In scientific notation, it is written as 2.1279910 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8218336 positive integers (up to 21279910) that are relatively prime to 21279910.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1279910 × 10^7
Engineering notation 2.1279910 × 10^6

Prime Factorization of 21279910

Prime Factorization 2 × 5 × 29 × 73379

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21279910
Product of the distinct prime numbers

The prime factorization of 21279910 is 2 × 5 × 29 × 73379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 39, 10, 524, 847, 8698, 2891, 69794, 40554, 729039, 429868, 9133775, 4935573, 64834864, 63483547, 264220730, 357796935, 6432178274, 7409127404

Basic calculations (n = 21279910)

Multiplication

n×y
n×2 42559820
n×3 63839730
n×4 85119640
n×5 106399550

Division

n÷y
n÷2 10639955
n÷3 7093303.3333333
n÷3 5319977.5
n÷5 4255982

Exponentiation

ny
n2 452834569608100
n3 9.6362788861491E+21
n4 2.0505914743215E+29
n5 4.363640202033E+36

Nth Root

y√n
2√n 4613.0152828708
3√n 277.11280577952
4√n 67.919181995007
5√n 29.214197259217

Divisors of 21279910

1, 2, 5, 10, 29, 58, 145, 290, 73379, 146758, 366895, 733790, 2127991, 4255982, 10639955, 21279910

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 -21279909
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 21279910 can be divided by 16 positive divisors. The sum of these divisors (counting 21279910) is 1, the average is 0.0625.

Base conversion 21279910

Base System Value
2 Binary 1010001001011010010100110
3 Ternary 1111001010112211
4 Quaternary 1101023102212
5 Quinary 20421424120
6 Senary 2040034034
8 Octal 121132246
10 Decimal 21279910
12 Duodecimal 716291a
16 Hexadecimal 144b4a6
20 Vigesimal 6cjjfa
36 Base36 co3om

Cryptographic Hash Functions

md5 4c98dbae7e49d9f19ee5d44b2bba33b0
sha1 15f74b4c4cab7bb4efdad80392b051b3fc98e6a9
sha256 6e30918264cbb0a432e23d6268b477280bc1228cee5a1f2ba364a50ce7d07ba5
sha512 f093d48834e174309d7f55349056bed3987e623b6780b36685b3ae34e1a747f6b9a885d6b36433e49fde1e9e7749cc8ffbd13ab4e400868a15fb385cf00f304a
ripemd-160 8d0470c3aae78d06affef7d4419bbf9fcd163c65

21279910 as geometric shapes

Circle

Radius = n
Diameter 42559820
Circumference 133705617.8501
Area 1.4226217571723E+15

Sphere

Radius = n
Volume 4.0364350608891E+22
Surface area 5.6904870286892E+15
Circumference 133705617.8501

Square

Length = n
Perimeter 85119640
Area 452834569608100
Diagonal 30094337.328079

Cube

Length = n
Surface area 2717007417648600
Volume 9.6362788861491E+21
Space diagonal 36857885.300493

Equilateral Triangle

Length = n
Perimeter 63839730
Area 1.960831204962E+14
Altitude 18428942.650247

Triangular Pyramid

Length = n
Surface area 1.960831204962E+14
Volume 1.1356463576335E+21
Height 10031445.776026