21609909 (number)

21609909 is an odd 8-digits composite number following 21609908 and preceding 21609910. In scientific notation, it is written as 2.1609909 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 14349960 positive integers (up to 21609909) that are relatively prime to 21609909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609909 × 10^7
Engineering notation 2.1609909 × 10^6

Prime Factorization of 21609909

Prime Factorization 9 × 9 × 431 × 619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2401101
Product of the distinct prime numbers

The prime factorization of 21609909 is 9 × 9 × 431 × 619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609909)

Multiplication

n×y
n×2 43219818
n×3 64829727
n×4 86439636
n×5 108049545

Division

n÷y
n÷2 10804954.5
n÷3 7203303
n÷3 5402477.25
n÷5 4321981.8

Exponentiation

ny
n2 466988166988281
n3 1.0091571792694E+22
n4 2.1807794810707E+29
n5 4.7126446135006E+36

Nth Root

y√n
2√n 4648.6459318817
3√n 278.53791008378
4√n 68.18097925288
5√n 29.304248440824

Divisors of 21609909

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21609908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21609909 can be divided by 12 positive divisors. The sum of these divisors (counting 21609909) is 1, the average is 0.083333333333333.

Base conversion 21609909

Base System Value
2 Binary 1010010011011110110110101
3 Ternary 1111122220020000
4 Quaternary 1102123312311
5 Quinary 21013004114
6 Senary 2051101513
8 Octal 122336665
10 Decimal 21609909
12 Duodecimal 72a1899
16 Hexadecimal 149bdb5
20 Vigesimal 6f14f9
36 Base36 cv6b9

Cryptographic Hash Functions

md5 e9f35ec1609bfc8e74aac2b95c3bea20
sha1 958fc3856b5198047c2c47e590102adf415516fc
sha256 390608eb193db5da9186bcfc1f812f9fde6827f86f401361e7398a4d02b5b35c
sha512 60bf708c07f500260d6d9b4e538aee4d41f9917ac323abc9d547a5b6dd0ee0184ae1a356054c887761ab8ea500b1bcff82a9296cfdb8803e64fbe18411aac1a9
ripemd-160 1806aee4e0d57efa288b8ee30b244b2bf7a7f042

21609909 as geometric shapes

Circle

Radius = n
Diameter 43219818
Circumference 135779062.71829
Area 1.4670865947237E+15

Sphere

Radius = n
Volume 4.2271477076133E+22
Surface area 5.868346378895E+15
Circumference 135779062.71829

Square

Length = n
Perimeter 86439636
Area 466988166988281
Diagonal 30561026.389448

Cube

Length = n
Surface area 2801929001929686
Volume 1.0091571792694E+22
Space diagonal 37429460.33494

Equilateral Triangle

Length = n
Perimeter 64829727
Area 2.0221180793929E+14
Altitude 18714730.16747

Triangular Pyramid

Length = n
Surface area 2.0221180793929E+14
Volume 1.1893031412407E+21
Height 10187008.796483