21108542 (number)

21108542 is an even 8-digits composite number following 21108541 and preceding 21108543. In scientific notation, it is written as 2.1108542 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 8350560 positive integers (up to 21108542) that are relatively prime to 21108542.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1108542 × 10^7
Engineering notation 2.1108542 × 10^6

Prime Factorization of 21108542

Prime Factorization 2 × 13 × 7 × 115981

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21108542
Product of the distinct prime numbers

The prime factorization of 21108542 is 2 × 13 × 7 × 115981. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21108542)

Multiplication

n×y
n×2 42217084
n×3 63325626
n×4 84434168
n×5 105542710

Division

n÷y
n÷2 10554271
n÷3 7036180.6666667
n÷3 5277135.5
n÷5 4221708.4

Exponentiation

ny
n2 445570545365764
n3 9.4053445708161E+21
n4 1.9853311089754E+29
n5 4.1907445097715E+36

Nth Root

y√n
2√n 4594.403334493
3√n 276.36693301831
4√n 67.782028108437
5√n 29.166992326971

Divisors of 21108542

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21108541
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21108542 can be divided by 16 positive divisors. The sum of these divisors (counting 21108542) is 1, the average is 0.0625.

Base conversion 21108542

Base System Value
2 Binary 1010000100001011100111110
3 Ternary 1110201102110212
4 Quaternary 1100201130332
5 Quinary 20400433132
6 Senary 2032232422
8 Octal 120413476
10 Decimal 21108542
12 Duodecimal 709b712
16 Hexadecimal 142173e
20 Vigesimal 6bib72
36 Base36 ckfge

Cryptographic Hash Functions

md5 a9e3ea8f9a9d7d79246a6f3c79e790d5
sha1 d44bb0d020aae6e96b369a85aacdd7bc95543ef8
sha256 f6ea0ed7dacdcfaa2d3f7ff1b56c3d801d97cfb842416dc6f26770b25ab21589
sha512 0cd97cc89d6cca74aadcc38a0df306d49e6fa36d87363978ec9eb2940c418da3afc412a7669b5ad91c47da22690eff66c6a65c11a794026b88046a93a9570a80
ripemd-160 5ae84f6536cbfb214b2e9f7bfb1e55e160220491

21108542 as geometric shapes

Circle

Radius = n
Diameter 42217084
Circumference 132628880.95038
Area 1.3998011519771E+15

Sphere

Radius = n
Volume 3.9397015210875E+22
Surface area 5.5992046079083E+15
Circumference 132628880.95038

Square

Length = n
Perimeter 84434168
Area 445570545365764
Diagonal 29851986.378322

Cube

Length = n
Surface area 2673423272194584
Volume 9.4053445708161E+21
Space diagonal 36561067.217702

Equilateral Triangle

Length = n
Perimeter 63325626
Area 1.9293770573242E+14
Altitude 18280533.608851

Triangular Pyramid

Length = n
Surface area 1.9293770573242E+14
Volume 1.10843048757E+21
Height 9950662.1261074