21919909 (number)

21919909 is an odd 8-digits composite number following 21919908 and preceding 21919910. In scientific notation, it is written as 2.1919909 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 19927180 positive integers (up to 21919909) that are relatively prime to 21919909.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nineteen thousand nine hundred nine

Notation

Scientific notation 2.1919909 × 10^7
Engineering notation 2.1919909 × 10^6

Prime Factorization of 21919909

Prime Factorization 11 × 1992719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21919909
Product of the distinct prime numbers

The prime factorization of 21919909 is 11 × 1992719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21919909)

Multiplication

n×y
n×2 43839818
n×3 65759727
n×4 87679636
n×5 109599545

Division

n÷y
n÷2 10959954.5
n÷3 7306636.3333333
n÷3 5479977.25
n÷5 4383981.8

Exponentiation

ny
n2 480482410568281
n3 1.0532130715757E+22
n4 2.3086334686551E+29
n5 5.0605035547273E+36

Nth Root

y√n
2√n 4681.8702459594
3√n 279.86349213286
4√n 68.424193425713
5√n 29.387845594593

Divisors of 21919909

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21919908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21919909 can be divided by 4 positive divisors. The sum of these divisors (counting 21919909) is 1, the average is 0.25.

Base conversion 21919909

Base System Value
2 Binary 1010011100111100010100101
3 Ternary 1112020122110111
4 Quaternary 1103213202211
5 Quinary 21102414114
6 Senary 2101453021
8 Octal 123474245
10 Decimal 21919909
12 Duodecimal 7411171
16 Hexadecimal 14e78a5
20 Vigesimal 6gjjf9
36 Base36 d1tid

Cryptographic Hash Functions

md5 bfb16dac4d16e51c2954b5c3d34607d9
sha1 83309f8cff61bdbc21e74c8ea51bb4aa1ea2dea2
sha256 b0bb5f248fb3e6ab390a2526a51b437011cf4a447563556ad23bd47fcfc12dd9
sha512 4e8b41f43c63ba0701e56dfa72b09dbc8ab8f9082073c5619374c5b425323fa7888e9da03176fe70278143214a6158deddfffaec143197062e3e9b2bf6f7832c
ripemd-160 f1ea1f1e9487a880f366b4aac8b17d5a4d9e932b

21919909 as geometric shapes

Circle

Radius = n
Diameter 43839818
Circumference 137726850.16351
Area 1.5094800112204E+15

Sphere

Radius = n
Volume 4.4116885977694E+22
Surface area 6.0379200448817E+15
Circumference 137726850.16351

Square

Length = n
Perimeter 87679636
Area 480482410568281
Diagonal 30999432.593784

Cube

Length = n
Surface area 2882894463409686
Volume 1.0532130715757E+22
Space diagonal 37966396.085286

Equilateral Triangle

Length = n
Perimeter 65759727
Area 2.0805498681186E+14
Altitude 18983198.042643

Triangular Pyramid

Length = n
Surface area 2.0805498681186E+14
Volume 1.2412235082425E+21
Height 10333144.197928