21609920 (number)

21609920 is an even 8-digits composite number following 21609919 and preceding 21609921. In scientific notation, it is written as 2.1609920 × 10^7. The sum of its digits is 29. It has a total of 8 prime factors and 28 positive divisors. There are 8643840 positive integers (up to 21609920) that are relatively prime to 21609920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609920 × 10^7
Engineering notation 2.1609920 × 10^6

Prime Factorization of 21609920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 67531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 675310
Product of the distinct prime numbers

The prime factorization of 21609920 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 67531. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 1, 54, 64, 746, 168, 4627, 8536, 46901, 60218, 935136, 884077, 5400745, 4845643, 83549279, 8909541, 739540652, 708023983, 4310148486, 3337215908

Basic calculations (n = 21609920)

Multiplication

n×y
n×2 43219840
n×3 64829760
n×4 86439680
n×5 108049600

Division

n÷y
n÷2 10804960
n÷3 7203306.6666667
n÷3 5402480
n÷5 4321984

Exponentiation

ny
n2 466988642406400
n3 1.0091587203311E+22
n4 2.1807839213657E+29
n5 4.7126566078E+36

Nth Root

y√n
2√n 4648.6471150217
3√n 278.53795734476
4√n 68.180987929347
5√n 29.304251424146

Divisors of 21609920

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 67531, 135062, 270124, 337655, 540248, 675310, 1080496, 1350620, 2160992, 2701240, 4321984, 5402480, 10804960, 21609920

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21609919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21609920 can be divided by 28 positive divisors. The sum of these divisors (counting 21609920) is 1, the average is 0.035714285714286.

Base conversion 21609920

Base System Value
2 Binary 1010010011011110111000000
3 Ternary 1111122220020102
4 Quaternary 1102123313000
5 Quinary 21013004140
6 Senary 2051101532
8 Octal 122336700
10 Decimal 21609920
12 Duodecimal 72a18a8
16 Hexadecimal 149bdc0
20 Vigesimal 6f14g0
36 Base36 cv6bk

Cryptographic Hash Functions

md5 41dfd68118cc4783f9c0f2626552e229
sha1 058086b87c16e738a79c3f9a6a5822000ef3818e
sha256 2ad2be3234082d50016db5678a36944722af1849c5810054cf37da1f71f94ad7
sha512 e72abfdadce97434f190e156312e901a72a942b9026e7d31b54686bf369170131093d1af1a2350796eb692bfa1ab9b82321cb342d7aed62deaa0f1547c8fec00
ripemd-160 4287ad3f6d943e5c08c2dc7c7301f34743160a13

21609920 as geometric shapes

Circle

Radius = n
Diameter 43219840
Circumference 135779131.83333
Area 1.4670880882938E+15

Sphere

Radius = n
Volume 4.2271541627976E+22
Surface area 5.8683523531753E+15
Circumference 135779131.83333

Square

Length = n
Perimeter 86439680
Area 466988642406400
Diagonal 30561041.945798

Cube

Length = n
Surface area 2801931854438400
Volume 1.0091587203311E+22
Space diagonal 37429479.387499

Equilateral Triangle

Length = n
Perimeter 64829760
Area 2.0221201380137E+14
Altitude 18714739.693749

Triangular Pyramid

Length = n
Surface area 2.0221201380137E+14
Volume 1.1893049573994E+21
Height 10187013.981933