21089904 (number)

21089904 is an even 8-digits composite number following 21089903 and preceding 21089905. In scientific notation, it is written as 2.1089904 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 6273280 positive integers (up to 21089904) that are relatively prime to 21089904.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-nine thousand nine hundred four

Notation

Scientific notation 2.1089904 × 10^7
Engineering notation 2.1089904 × 10^6

Prime Factorization of 21089904

Prime Factorization 2 × 2 × 2 × 2 × 3 × 11 × 59 × 677

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2636238
Product of the distinct prime numbers

The prime factorization of 21089904 is 2 × 2 × 2 × 2 × 3 × 11 × 59 × 677. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21089904)

Multiplication

n×y
n×2 42179808
n×3 63269712
n×4 84359616
n×5 105449520

Division

n÷y
n÷2 10544952
n÷3 7029968
n÷3 5272476
n÷5 4217980.8

Exponentiation

ny
n2 444784050729216
n3 9.3804529306103E+21
n4 1.9783285178309E+29
n5 4.1722758521516E+36

Nth Root

y√n
2√n 4592.3745491848
3√n 276.28556874309
4√n 67.767060945453
5√n 29.161839848882

Divisors of 21089904

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21089903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21089904 can be divided by 80 positive divisors. The sum of these divisors (counting 21089904) is 1, the average is 0.0125.

Base conversion 21089904

Base System Value
2 Binary 1010000011100111001110000
3 Ternary 1110200110220120
4 Quaternary 1100130321300
5 Quinary 20344334104
6 Senary 2032010240
8 Octal 120347160
10 Decimal 21089904
12 Duodecimal 7090980
16 Hexadecimal 141ce70
20 Vigesimal 6bg4f4
36 Base36 ck12o

Cryptographic Hash Functions

md5 ab63e73d5106380b147291941ceee8b0
sha1 fc5a6740d375e9e249567e8ed1760dd97f79af9b
sha256 a3ae66c052a4768905906c37d1fb678298c62487e013926b80e2bfe51d41022e
sha512 7457f84149ed1383f2e743d3e53752929c0b63a6d4f1a8a406dd51dcf649b157a9d8ac81b4d95668cf0464efae90ac71cf6d5a9bead9ee1478acb13ddb4f36c0
ripemd-160 7cc40916e86de527717cdc51c273ea9708a860c0

21089904 as geometric shapes

Circle

Radius = n
Diameter 42179808
Circumference 132511774.94263
Area 1.3973303062048E+15

Sphere

Radius = n
Volume 3.92927493522E+22
Surface area 5.5893212248193E+15
Circumference 132511774.94263

Square

Length = n
Perimeter 84359616
Area 444784050729216
Diagonal 29825628.265947

Cube

Length = n
Surface area 2668704304375296
Volume 9.3804529306103E+21
Space diagonal 36528785.25475

Equilateral Triangle

Length = n
Perimeter 63269712
Area 1.9259714356482E+14
Altitude 18264392.627375

Triangular Pyramid

Length = n
Surface area 1.9259714356482E+14
Volume 1.1054969796393E+21
Height 9941876.0886489