21509906 (number)

21509906 is an even 8-digits composite number following 21509905 and preceding 21509907. In scientific notation, it is written as 2.1509906 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 9777220 positive integers (up to 21509906) that are relatively prime to 21509906.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred nine thousand nine hundred six

Notation

Scientific notation 2.1509906 × 10^7
Engineering notation 2.1509906 × 10^6

Prime Factorization of 21509906

Prime Factorization 2 × 11 × 977723

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21509906
Product of the distinct prime numbers

The prime factorization of 21509906 is 2 × 11 × 977723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21509906)

Multiplication

n×y
n×2 43019812
n×3 64529718
n×4 86039624
n×5 107549530

Division

n÷y
n÷2 10754953
n÷3 7169968.6666667
n÷3 5377476.5
n÷5 4301981.2

Exponentiation

ny
n2 462676056128836
n3 9.952118475782E+21
n4 2.1406913291493E+29
n5 4.6046069265017E+36

Nth Root

y√n
2√n 4637.8773161868
3√n 278.1075873625
4√n 68.10196264563
5√n 29.277076161502

Divisors of 21509906

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 -21509905
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 21509906 can be divided by 8 positive divisors. The sum of these divisors (counting 21509906) is 1, the average is 0.125.

Base conversion 21509906

Base System Value
2 Binary 1010010000011011100010010
3 Ternary 1111110211001012
4 Quaternary 1102003130102
5 Quinary 21001304111
6 Senary 2045010522
8 Octal 122033422
10 Decimal 21509906
12 Duodecimal 7253a42
16 Hexadecimal 1483712
20 Vigesimal 6e8ef6
36 Base36 ct15e

Cryptographic Hash Functions

md5 5dac3824a08d8eb7d3eab3cef24d7086
sha1 a0b2041759a83f4c4792f4aafdbeb85979f39545
sha256 4503c01ac3ee66eee6230ac51c5dac1e974a2a934f205438da5826e9fcc1e895
sha512 91d224cbfb72fa63028695914792305af5b6983a4cab4175d3120f6d021e3a614a9f5bd05cbe99ee93a51a539691a68a1f0eb08dc05aa1c6d883fa10c0e4ec0f
ripemd-160 e3853eeac2be7b7bbe1d682361e4b9665d0d2922

21509906 as geometric shapes

Circle

Radius = n
Diameter 43019812
Circumference 135150725.33801
Area 1.4535396989262E+15

Sphere

Radius = n
Volume 4.1687336388229E+22
Surface area 5.814158795705E+15
Circumference 135150725.33801

Square

Length = n
Perimeter 86039624
Area 462676056128836
Diagonal 30419600.79057

Cube

Length = n
Surface area 2776056336773016
Volume 9.952118475782E+21
Space diagonal 37256250.058031

Equilateral Triangle

Length = n
Perimeter 64529718
Area 2.0034460916518E+14
Altitude 18628125.029015

Triangular Pyramid

Length = n
Surface area 2.0034460916518E+14
Volume 1.1728684102329E+21
Height 10139866.93019