21091328 (number)

21091328 is an even 8-digits composite number following 21091327 and preceding 21091329. In scientific notation, it is written as 2.1091328 × 10^7. The sum of its digits is 26. It has a total of 12 prime factors and 44 positive divisors. There are 10278912 positive integers (up to 21091328) that are relatively prime to 21091328.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand three hundred twenty-eight

Notation

Scientific notation 2.1091328 × 10^7
Engineering notation 2.1091328 × 10^6

Prime Factorization of 21091328

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 43 × 479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 41194
Product of the distinct prime numbers

The prime factorization of 21091328 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 43 × 479. Since it has a total of 12 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091328)

Multiplication

n×y
n×2 42182656
n×3 63273984
n×4 84365312
n×5 105456640

Division

n÷y
n÷2 10545664
n÷3 7030442.6666667
n÷3 5272832
n÷5 4218265.6

Exponentiation

ny
n2 444844116803584
n3 9.3823531763747E+21
n4 1.9788628825476E+29
n5 4.1736846122837E+36

Nth Root

y√n
2√n 4592.5295861867
3√n 276.29178691262
4√n 67.768204832257
5√n 29.162233642409

Divisors of 21091328

44 divisors

τ Total Divisors 44
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091327
Sum of the proper positive divisors of n
A Arithmetic Mean 0.022727272727273
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 44
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091328 can be divided by 44 positive divisors. The sum of these divisors (counting 21091328) is 1, the average is 0.022727272727273.

Base conversion 21091328

Base System Value
2 Binary 1010000011101010000000000
3 Ternary 1110200112212022
4 Quaternary 1100131100000
5 Quinary 20344410303
6 Senary 2032021012
8 Octal 120352000
10 Decimal 21091328
12 Duodecimal 7091768
16 Hexadecimal 141d400
20 Vigesimal 6bg868
36 Base36 ck268

Cryptographic Hash Functions

md5 b7892bbefa71bc86f1a74681138d3be5
sha1 57b9493be9215f7ddb11808cd52a383b9d38a3a5
sha256 8d8c417eef2362eafaf3c814081d0805bb4da8aba33d0a90d084a3dad13661d4
sha512 751611cecce112b4d716c195d7305c2bcce74ada25a6355b0d2d933bb746056ea3dda205add5c7d9f44334234897b567f618440a0d34cbe3412148f7f229d909
ripemd-160 27d7ba48e41cb6a0f9bcbf709865a8082c43a438

21091328 as geometric shapes

Circle

Radius = n
Diameter 42182656
Circumference 132520722.19851
Area 1.3975190093428E+15

Sphere

Radius = n
Volume 3.9300709083045E+22
Surface area 5.5900760373711E+15
Circumference 132520722.19851

Square

Length = n
Perimeter 84365312
Area 444844116803584
Diagonal 29827642.106059

Cube

Length = n
Surface area 2669064700821504
Volume 9.3823531763747E+21
Space diagonal 36531251.6951

Equilateral Triangle

Length = n
Perimeter 63273984
Area 1.9262315293798E+14
Altitude 18265625.84755

Triangular Pyramid

Length = n
Surface area 1.9262315293798E+14
Volume 1.1057209257503E+21
Height 9942547.3686865