21108545 (number)

21108545 is an odd 8-digits composite number following 21108544 and preceding 21108546. In scientific notation, it is written as 2.1108545 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 16862464 positive integers (up to 21108545) that are relatively prime to 21108545.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1108545 × 10^7
Engineering notation 2.1108545 × 10^6

Prime Factorization of 21108545

Prime Factorization 5 × 797 × 5297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21108545
Product of the distinct prime numbers

The prime factorization of 21108545 is 5 × 797 × 5297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21108545)

Multiplication

n×y
n×2 42217090
n×3 63325635
n×4 84434180
n×5 105542725

Division

n÷y
n÷2 10554272.5
n÷3 7036181.6666667
n÷3 5277136.25
n÷5 4221709

Exponentiation

ny
n2 445570672017025
n3 9.4053485809516E+21
n4 1.985332237617E+29
n5 4.190747487769E+36

Nth Root

y√n
2√n 4594.4036609771
3√n 276.36694611097
4√n 67.782030516776
5√n 29.166993156028

Divisors of 21108545

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 -21108544
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 21108545 can be divided by 8 positive divisors. The sum of these divisors (counting 21108545) is 1, the average is 0.125.

Base conversion 21108545

Base System Value
2 Binary 1010000100001011101000001
3 Ternary 1110201102110222
4 Quaternary 1100201131001
5 Quinary 20400433140
6 Senary 2032232425
8 Octal 120413501
10 Decimal 21108545
12 Duodecimal 709b715
16 Hexadecimal 1421741
20 Vigesimal 6bib75
36 Base36 ckfgh

Cryptographic Hash Functions

md5 c7003d259f503c9f9ab1c7caaaa6a9a4
sha1 13d438876c1fab2dbd2c17e9888147f835578e26
sha256 3bf4f45242741c63b61f38558ac9362db287f1f58276c30797999c7b489c9791
sha512 4b4ce97df2ff7b4133c335f561def2d9062073e1fc3384c2f2a2828b9961a5f5023393ba9b717c7abb90e406e8c83bd7fbe9ccb8ec802933c9a4f2ffbda73cf4
ripemd-160 636b70bc4864eaeb2fda35118144c86feb7ed862

21108545 as geometric shapes

Circle

Radius = n
Diameter 42217090
Circumference 132628899.79994
Area 1.3998015498638E+15

Sphere

Radius = n
Volume 3.9397032008492E+22
Surface area 5.599206199455E+15
Circumference 132628899.79994

Square

Length = n
Perimeter 84434180
Area 445570672017025
Diagonal 29851990.620963

Cube

Length = n
Surface area 2673424032102150
Volume 9.4053485809516E+21
Space diagonal 36561072.413854

Equilateral Triangle

Length = n
Perimeter 63325635
Area 1.9293776057402E+14
Altitude 18280536.206927

Triangular Pyramid

Length = n
Surface area 1.9293776057402E+14
Volume 1.108430960169E+21
Height 9950663.5403209