21108540 (number)

21108540 is an even 8-digits composite number following 21108539 and preceding 21108541. In scientific notation, it is written as 2.1108540 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 5586240 positive integers (up to 21108540) that are relatively prime to 21108540.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred eight thousand five hundred forty

Notation

Scientific notation 2.1108540 × 10^7
Engineering notation 2.1108540 × 10^6

Prime Factorization of 21108540

Prime Factorization 2 × 2 × 15 × 139 × 2531

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10554270
Product of the distinct prime numbers

The prime factorization of 21108540 is 2 × 2 × 15 × 139 × 2531. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 95, 61, 674, 1, 3214, 3012, 2705, 99103, 175588, 927882, 3816203, 7507751, 445168, 55243696, 963085303, 127045890, 9006694685, 5735480813

Basic calculations (n = 21108540)

Multiplication

n×y
n×2 42217080
n×3 63325620
n×4 84434160
n×5 105542700

Division

n÷y
n÷2 10554270
n÷3 7036180
n÷3 5277135
n÷5 4221708

Exponentiation

ny
n2 445570460931600
n3 9.4053418973931E+21
n4 1.985330356548E+29
n5 4.1907425244407E+36

Nth Root

y√n
2√n 4594.4031168368
3√n 276.36692428987
4√n 67.782026502878
5√n 29.166991774266

Divisors of 21108540

1, 2, 4, 15, 30, 60, 139, 278, 556, 2085, 2531, 4170, 5062, 8340, 10124, 37965, 75930, 151860, 351809, 703618, 1407236, 5277135, 10554270, 21108540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21108539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21108540 can be divided by 24 positive divisors. The sum of these divisors (counting 21108540) is 1, the average is 0.041666666666667.

Base conversion 21108540

Base System Value
2 Binary 1010000100001011100111100
3 Ternary 1110201102110210
4 Quaternary 1100201130330
5 Quinary 20400433130
6 Senary 2032232420
8 Octal 120413474
10 Decimal 21108540
12 Duodecimal 709b710
16 Hexadecimal 142173c
20 Vigesimal 6bib70
36 Base36 ckfgc

Cryptographic Hash Functions

md5 f93a7930c170f26332e07ed31a71f8fc
sha1 e13e5f4b80f930f41a841aca3728b0bc017e3e84
sha256 14de149082ce218a42e2002937477e01dfeb40dbbb3eded410d625d83f37b2ec
sha512 18a4db92f38d4add11c6e675c30ac07e3f872d4da0e92e36880ee3c6699d2e312a6b03ff1fd248b885843a1d7b1a2e3d67aca3e1631e332bf31e8ea19c10b5ca
ripemd-160 cf7f485223ae5b52fd2d48b2d3959d528112bf05

21108540 as geometric shapes

Circle

Radius = n
Diameter 42217080
Circumference 132628868.38401
Area 1.3998008867193E+15

Sphere

Radius = n
Volume 3.9397004012467E+22
Surface area 5.5992035468773E+15
Circumference 132628868.38401

Square

Length = n
Perimeter 84434160
Area 445570460931600
Diagonal 29851983.549895

Cube

Length = n
Surface area 2673422765589600
Volume 9.4053418973931E+21
Space diagonal 36561063.7536

Equilateral Triangle

Length = n
Perimeter 63325620
Area 1.9293766917135E+14
Altitude 18280531.8768

Triangular Pyramid

Length = n
Surface area 1.9293766917135E+14
Volume 1.1084301725041E+21
Height 9950661.1832983