21309218 (number)

21309218 is an even 8-digits composite number following 21309217 and preceding 21309219. In scientific notation, it is written as 2.1309218 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors. There are 9132228 positive integers (up to 21309218) that are relatively prime to 21309218.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred nine thousand two hundred eighteen

Notation

Scientific notation 2.1309218 × 10^7
Engineering notation 2.1309218 × 10^6

Prime Factorization of 21309218

Prime Factorization 2 × 7 × 7 × 7 × 31063

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 434882
Product of the distinct prime numbers

The prime factorization of 21309218 is 2 × 7 × 7 × 7 × 31063. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 8, 86, 61, 263, 899, 8203, 7038, 68317, 97396, 891916, 444785, 8240540, 7060406, 14177492, 71094337, 690887964, 624083203, 4190399309, 6773416191

Basic calculations (n = 21309218)

Multiplication

n×y
n×2 42618436
n×3 63927654
n×4 85236872
n×5 106546090

Division

n÷y
n÷2 10654609
n÷3 7103072.6666667
n÷3 5327304.5
n÷5 4261843.6

Exponentiation

ny
n2 454082771771524
n3 9.6761487737237E+21
n4 2.0619116361971E+29
n5 4.3937724552461E+36

Nth Root

y√n
2√n 4616.1908539401
3√n 277.23996634911
4√n 67.942555544666
5√n 29.2222399473

Divisors of 21309218

1, 2, 7, 14, 49, 98, 343, 686, 31063, 62126, 217441, 434882, 1522087, 3044174, 10654609, 21309218

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 -21309217
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 21309218 can be divided by 16 positive divisors. The sum of these divisors (counting 21309218) is 1, the average is 0.0625.

Base conversion 21309218

Base System Value
2 Binary 1010001010010011100100010
3 Ternary 1111002121202022
4 Quaternary 1101102130202
5 Quinary 20423343333
6 Senary 2040421442
8 Octal 121223442
10 Decimal 21309218
12 Duodecimal 7177882
16 Hexadecimal 1452722
20 Vigesimal 6d3d0i
36 Base36 coqaq

Cryptographic Hash Functions

md5 f01a96797b5a0886c42fc157ea43439e
sha1 2dc17f270a9b1ec8a066d61bff782246e2c67557
sha256 4c846ef418a4f6f2155479445ae850e83ca80fcc1c84b1fc26755ea6e98f31f8
sha512 70170d799ef7eee9fed22dbc852b504a469826fd1626b94a298ec8bfe09a805c0319df1d57619740b11a0bfecc9959a3051194a42ad30d0e4a16f6ade0b52d6d
ripemd-160 6278e22490d1a5996ed0f969c113596e0370d8df

21309218 as geometric shapes

Circle

Radius = n
Diameter 42618436
Circumference 133889765.44509
Area 1.4265430999191E+15

Sphere

Radius = n
Volume 4.0531357203429E+22
Surface area 5.7061723996764E+15
Circumference 133889765.44509

Square

Length = n
Perimeter 85236872
Area 454082771771524
Diagonal 30135785.099165

Cube

Length = n
Surface area 2724496630629144
Volume 9.6761487737237E+21
Space diagonal 36908648.245561

Equilateral Triangle

Length = n
Perimeter 63927654
Area 1.966236078875E+14
Altitude 18454324.122781

Triangular Pyramid

Length = n
Surface area 1.966236078875E+14
Volume 1.140345068945E+21
Height 10045261.699722