21082906 (number)

21082906 is an even 8-digits composite number following 21082905 and preceding 21082907. In scientific notation, it is written as 2.1082906 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 9730560 positive integers (up to 21082906) that are relatively prime to 21082906.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand nine hundred six

Notation

Scientific notation 2.1082906 × 10^7
Engineering notation 2.1082906 × 10^6

Prime Factorization of 21082906

Prime Factorization 2 × 13 × 810881

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082906
Product of the distinct prime numbers

The prime factorization of 21082906 is 2 × 13 × 810881. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 68, 47, 366, 690, 9373, 6522, 22607, 13718, 483290, 850450, 3174761, 5691448, 34053989, 6923299, 543886910, 528976473, 9490850412, 951429796

Basic calculations (n = 21082906)

Multiplication

n×y
n×2 42165812
n×3 63248718
n×4 84331624
n×5 105414530

Division

n÷y
n÷2 10541453
n÷3 7027635.3333333
n÷3 5270726.5
n÷5 4216581.2

Exponentiation

ny
n2 444488925404836
n3 9.3711182323512E+21
n4 1.9757040480755E+29
n5 4.1653582729394E+36

Nth Root

y√n
2√n 4591.6125707642
3√n 276.25500656351
4√n 67.761438671004
5√n 29.159904309992

Divisors of 21082906

1, 2, 13, 26, 810881, 1621762, 10541453, 21082906

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21082905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21082906 can be divided by 8 positive divisors. The sum of these divisors (counting 21082906) is 1, the average is 0.125.

Base conversion 21082906

Base System Value
2 Binary 1010000011011001100011010
3 Ternary 1110200010022101
4 Quaternary 1100123030122
5 Quinary 20344123111
6 Senary 2031514014
8 Octal 120331432
10 Decimal 21082906
12 Duodecimal 708890a
16 Hexadecimal 141b31a
20 Vigesimal 6bf756
36 Base36 cjvoa

Cryptographic Hash Functions

md5 d72ee3e40d2f860ca2849c069c4f47a1
sha1 48304fcc8641cd7e3533b102b84880e61d078103
sha256 859b8f7b7c672a7c920a3f3a3fa776f3d8094a8d9277522c81309216f3756950
sha512 2cc76e0e9a0a431ab7c63383bfdb014049f0ea64318df8043c25cc10b8511a39486cd8cf35097c6422553604f69351676ee8f95759f7301f2b5683b8472c6207
ripemd-160 8010104b0f013f5deff57ed2194f15029cc307f2

21082906 as geometric shapes

Circle

Radius = n
Diameter 42165812
Circumference 132467805.21185
Area 1.3964031426539E+15

Sphere

Radius = n
Volume 3.9253648259568E+22
Surface area 5.5856125706154E+15
Circumference 132467805.21185

Square

Length = n
Perimeter 84331624
Area 444488925404836
Diagonal 29815731.599437

Cube

Length = n
Surface area 2666933552429016
Volume 9.3711182323512E+21
Space diagonal 36516664.363199

Equilateral Triangle

Length = n
Perimeter 63248718
Area 1.9246935055072E+14
Altitude 18258332.181599

Triangular Pyramid

Length = n
Surface area 1.9246935055072E+14
Volume 1.1043968748994E+21
Height 9938577.1998124