21893209 (number)

21893209 is an odd 8-digits composite number following 21893208 and preceding 21893210. In scientific notation, it is written as 2.1893209 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 20173440 positive integers (up to 21893209) that are relatively prime to 21893209.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-three thousand two hundred nine

Notation

Scientific notation 2.1893209 × 10^7
Engineering notation 2.1893209 × 10^6

Prime Factorization of 21893209

Prime Factorization 13 × 761 × 2213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21893209
Product of the distinct prime numbers

The prime factorization of 21893209 is 13 × 761 × 2213. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21893209)

Multiplication

n×y
n×2 43786418
n×3 65679627
n×4 87572836
n×5 109466045

Division

n÷y
n÷2 10946604.5
n÷3 7297736.3333333
n÷3 5473302.25
n÷5 4378641.8

Exponentiation

ny
n2 479312600317681
n3 1.0493690935088E+22
n4 2.297405688233E+29
n5 5.0297582890273E+36

Nth Root

y√n
2√n 4679.0179525195
3√n 279.74981478674
4√n 68.403347524222
5√n 29.380682808804

Divisors of 21893209

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 -21893208
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 21893209 can be divided by 8 positive divisors. The sum of these divisors (counting 21893209) is 1, the average is 0.125.

Base conversion 21893209

Base System Value
2 Binary 1010011100001000001011001
3 Ternary 1112012021211121
4 Quaternary 1103201001121
5 Quinary 21101040314
6 Senary 2101125241
8 Octal 123410131
10 Decimal 21893209
12 Duodecimal 73b9821
16 Hexadecimal 14e1059
20 Vigesimal 6ggd09
36 Base36 d18wp

Cryptographic Hash Functions

md5 8d8e66323c4073a3549af8e4a2770281
sha1 33e4d905ca8ea8848fcdbe7e6b636f6d51476f43
sha256 357d4f4bc8509887ab910c2090d69ff8d050db1f475a34a97a2602fa2ea0db05
sha512 a6a1e7d3ccd9fc8cd0cdb95eff18f1a97ff170165cf090a1345bd5bfaa46c635cf27cdaaac18b2e1e93742c69921fc2fdd0c69e6c9151f7aa2dd70e0fa5a27fc
ripemd-160 9f4da439f1ece001d98974e0421d122a9913fae6

21893209 as geometric shapes

Circle

Radius = n
Diameter 43786418
Circumference 137559089.11581
Area 1.505804943931E+15

Sphere

Radius = n
Volume 4.3955869800954E+22
Surface area 6.0232197757242E+15
Circumference 137559089.11581

Square

Length = n
Perimeter 87572836
Area 479312600317681
Diagonal 30961673.091669

Cube

Length = n
Surface area 2875875601906086
Volume 1.0493690935088E+22
Space diagonal 37920150.328724

Equilateral Triangle

Length = n
Perimeter 65679627
Area 2.0754844411454E+14
Altitude 18960075.164362

Triangular Pyramid

Length = n
Surface area 2.0754844411454E+14
Volume 1.2366933366461E+21
Height 10320557.697223