21609918 (number)

21609918 is an even 8-digits composite number following 21609917 and preceding 21609919. In scientific notation, it is written as 2.1609918 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6548400 positive integers (up to 21609918) that are relatively prime to 21609918.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609918 × 10^7
Engineering notation 2.1609918 × 10^6

Prime Factorization of 21609918

Prime Factorization 2 × 33 × 3 × 109141

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21609918
Product of the distinct prime numbers

The prime factorization of 21609918 is 2 × 33 × 3 × 109141. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 91, 2, 759, 558, 1173, 2070, 17697, 8620, 469218, 921639, 5825300, 518715, 20247346, 63966358, 314422405, 550352027, 2681828025, 1421441134

Basic calculations (n = 21609918)

Multiplication

n×y
n×2 43219836
n×3 64829754
n×4 86439672
n×5 108049590

Division

n÷y
n÷2 10804959
n÷3 7203306
n÷3 5402479.5
n÷5 4321983.6

Exponentiation

ny
n2 466988555966724
n3 1.0091584401379E+22
n4 2.1807831140389E+29
n5 4.7126544270164E+36

Nth Root

y√n
2√n 4648.6468999054
3√n 278.53794875185
4√n 68.180986351808
5√n 29.304250881724

Divisors of 21609918

1, 2, 3, 6, 33, 66, 99, 198, 109141, 218282, 327423, 654846, 3601653, 7203306, 10804959, 21609918

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21609917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21609918 can be divided by 16 positive divisors. The sum of these divisors (counting 21609918) is 1, the average is 0.0625.

Base conversion 21609918

Base System Value
2 Binary 1010010011011110110111110
3 Ternary 1111122220020100
4 Quaternary 1102123312332
5 Quinary 21013004133
6 Senary 2051101530
8 Octal 122336676
10 Decimal 21609918
12 Duodecimal 72a18a6
16 Hexadecimal 149bdbe
20 Vigesimal 6f14fi
36 Base36 cv6bi

Cryptographic Hash Functions

md5 16583b0ebacbff2d54f1256d7900d725
sha1 d92fa4e3d418e50ff3f3fdfe189f28505d1d2f8f
sha256 69d5be8ec2f6ea9a49fa8e5f9bacacef2aafa8db99f14e5261755f810076cece
sha512 47fdaf85858a6bcf98b4d7ea5b4f523e8f0b273839133af76280ce4088fb59b6f55cbf09780dc90b8bae77e03e84114256b09a4564162f9c8b9fc3788951733f
ripemd-160 f8fcf05bb0b54c172050e482b49d21ad5140aa60

21609918 as geometric shapes

Circle

Radius = n
Diameter 43219836
Circumference 135779119.26696
Area 1.4670878167356E+15

Sphere

Radius = n
Volume 4.2271529891273E+22
Surface area 5.8683512669423E+15
Circumference 135779119.26696

Square

Length = n
Perimeter 86439672
Area 466988555966724
Diagonal 30561039.11737

Cube

Length = n
Surface area 2801931335800344
Volume 1.0091584401379E+22
Space diagonal 37429475.923397

Equilateral Triangle

Length = n
Perimeter 64829754
Area 2.022119763719E+14
Altitude 18714737.961699

Triangular Pyramid

Length = n
Surface area 2.022119763719E+14
Volume 1.1893046271886E+21
Height 10187013.039123