21609904 (number)

21609904 is an even 8-digits composite number following 21609903 and preceding 21609905. In scientific notation, it is written as 2.1609904 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 10704960 positive integers (up to 21609904) that are relatively prime to 21609904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609904 × 10^7
Engineering notation 2.1609904 × 10^6

Prime Factorization of 21609904

Prime Factorization 2 × 2 × 2 × 2 × 109 × 12391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2701238
Product of the distinct prime numbers

The prime factorization of 21609904 is 2 × 2 × 2 × 2 × 109 × 12391. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609904)

Multiplication

n×y
n×2 43219808
n×3 64829712
n×4 86439616
n×5 108049520

Division

n÷y
n÷2 10804952
n÷3 7203301.3333333
n÷3 5402476
n÷5 4321980.8

Exponentiation

ny
n2 466987950889216
n3 1.0091564787873E+22
n4 2.1807774627571E+29
n5 4.7126391615544E+36

Nth Root

y√n
2√n 4648.6453940906
3√n 278.53788860151
4√n 68.180975309031
5√n 29.304247084767

Divisors of 21609904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21609903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21609904 can be divided by 20 positive divisors. The sum of these divisors (counting 21609904) is 1, the average is 0.05.

Base conversion 21609904

Base System Value
2 Binary 1010010011011110110110000
3 Ternary 1111122220012211
4 Quaternary 1102123312300
5 Quinary 21013004104
6 Senary 2051101504
8 Octal 122336660
10 Decimal 21609904
12 Duodecimal 72a1894
16 Hexadecimal 149bdb0
20 Vigesimal 6f14f4
36 Base36 cv6b4

Cryptographic Hash Functions

md5 416c89f280bf9bb0042f24732d430003
sha1 aeecd4f887fb3426136dfb5c5169a33e7aa67bff
sha256 15d5fa6cdc1908a227e3b51ee8be337d7b7a9c721be9ab565eb42f892b3538c8
sha512 c0c62d5a1661d556b9e55699266b9e6030b7b74b415e7846ef30b04338da18016dadb15ba7c80c1d16c1006fe533ab376b29e2203d0c859616dd48fa4ea104be
ripemd-160 cf25c3a05d685284f0c3ba97bd8da84a2e43ad4c

21609904 as geometric shapes

Circle

Radius = n
Diameter 43219808
Circumference 135779031.30236
Area 1.4670859158285E+15

Sphere

Radius = n
Volume 4.2271447734408E+22
Surface area 5.868343663314E+15
Circumference 135779031.30236

Square

Length = n
Perimeter 86439616
Area 466987950889216
Diagonal 30561019.318381

Cube

Length = n
Surface area 2801927705335296
Volume 1.0091564787873E+22
Space diagonal 37429451.674686

Equilateral Triangle

Length = n
Perimeter 64829712
Area 2.0221171436565E+14
Altitude 18714725.837343

Triangular Pyramid

Length = n
Surface area 2.0221171436565E+14
Volume 1.1893023157147E+21
Height 10187006.43946