21105040 (number)

21105040 is an even 8-digits composite number following 21105039 and preceding 21105041. In scientific notation, it is written as 2.1105040 × 10^7. The sum of its digits is 13. It has a total of 7 prime factors and 40 positive divisors. There are 7400960 positive integers (up to 21105040) that are relatively prime to 21105040.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand forty

Notation

Scientific notation 2.1105040 × 10^7
Engineering notation 2.1105040 × 10^6

Prime Factorization of 21105040

Prime Factorization 2 × 2 × 2 × 2 × 55 × 29 × 827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2638130
Product of the distinct prime numbers

The prime factorization of 21105040 is 2 × 2 × 2 × 2 × 55 × 29 × 827. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105040)

Multiplication

n×y
n×2 42210080
n×3 63315120
n×4 84420160
n×5 105525200

Division

n÷y
n÷2 10552520
n÷3 7035013.3333333
n÷3 5276260
n÷5 4221008

Exponentiation

ny
n2 445422713401600
n3 9.4006641832493E+21
n4 1.9840139361404E+29
n5 4.1872693482801E+36

Nth Root

y√n
2√n 4594.0222028197
3√n 276.35164867628
4√n 67.779216599336
5√n 29.166024476267

Divisors of 21105040

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105040 can be divided by 40 positive divisors. The sum of these divisors (counting 21105040) is 1, the average is 0.025.

Base conversion 21105040

Base System Value
2 Binary 1010000100000100110010000
3 Ternary 1110201020200011
4 Quaternary 1100200212100
5 Quinary 20400330130
6 Senary 2032204304
8 Octal 120404620
10 Decimal 21105040
12 Duodecimal 7099694
16 Hexadecimal 1420990
20 Vigesimal 6bi2c0
36 Base36 ckcr4

Cryptographic Hash Functions

md5 3c7968c941545e3b065de83307933aab
sha1 8ca5dbbc00bfce3db95a5fa0947f9f09db5ec1ac
sha256 12347632a8cf025e0f02d773d875f8a49b0138ff013fc9b24cb66e72dbcfd80d
sha512 da767aae8a0d710c0ecbd2b9d3d7c836286b97a6ba9a05b76a78eb27b2166d62ea4440a92b71b767a2e6ce0faf8e83a08255790de5ba90fef419aded10aede5d
ripemd-160 fa4936ca457baef7690541f4e099afc278b817ec

21105040 as geometric shapes

Circle

Radius = n
Diameter 42210080
Circumference 132606877.23544
Area 1.3993367241645E+15

Sphere

Radius = n
Volume 3.9377410049281E+22
Surface area 5.597346896658E+15
Circumference 132606877.23544

Square

Length = n
Perimeter 84420160
Area 445422713401600
Diagonal 29847033.802427

Cube

Length = n
Surface area 2672536280409600
Volume 9.4006641832493E+21
Space diagonal 36555001.575773

Equilateral Triangle

Length = n
Perimeter 63315120
Area 1.9287369261419E+14
Altitude 18277500.787887

Triangular Pyramid

Length = n
Surface area 1.9287369261419E+14
Volume 1.1078788986055E+21
Height 9949011.2674756