21568688 (number)

21568688 is an even 8-digits composite number following 21568687 and preceding 21568689. In scientific notation, it is written as 2.1568688 × 10^7. The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors. There are 10761600 positive integers (up to 21568688) that are relatively prime to 21568688.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand six hundred eighty-eight

Notation

Scientific notation 2.1568688 × 10^7
Engineering notation 2.1568688 × 10^6

Prime Factorization of 21568688

Prime Factorization 2 × 2 × 2 × 2 × 601 × 2243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2696086
Product of the distinct prime numbers

The prime factorization of 21568688 is 2 × 2 × 2 × 2 × 601 × 2243. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21568688)

Multiplication

n×y
n×2 43137376
n×3 64706064
n×4 86274752
n×5 107843440

Division

n÷y
n÷2 10784344
n÷3 7189562.6666667
n÷3 5392172
n÷5 4313737.6

Exponentiation

ny
n2 465208302041344
n3 1.003393272174E+22
n4 2.1641876428819E+29
n5 4.6678688042775E+36

Nth Root

y√n
2√n 4644.2101588968
3√n 278.36069324394
4√n 68.148442087085
5√n 29.293060303478

Divisors of 21568688

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 -21568687
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 21568688 can be divided by 20 positive divisors. The sum of these divisors (counting 21568688) is 1, the average is 0.05.

Base conversion 21568688

Base System Value
2 Binary 1010010010001110010110000
3 Ternary 1111120210200022
4 Quaternary 1102101302300
5 Quinary 21010144223
6 Senary 2050143012
8 Octal 122216260
10 Decimal 21568688
12 Duodecimal 7281a68
16 Hexadecimal 1491cb0
20 Vigesimal 6eg1e8
36 Base36 cuai8

Cryptographic Hash Functions

md5 0e5cf8fe1c1a4aeea330bcfcb972b1b2
sha1 b0a7f9417a37cf0437bda14ef72dff59d2d200d2
sha256 c19f60259aa6d834bf14efe715ce22471188f58b1962390466206091f121d27f
sha512 7a5db90ac90d5abbb5466fb8b4924feba02f57fd8fdac75831a9917365c61b03f7c29a68d7beb604e442bfa4f87a9ba2101d339358c715bea8328f397808927d
ripemd-160 fda9576edaf5dabb1cd0e8115ae23334591a5f5e

21568688 as geometric shapes

Circle

Radius = n
Diameter 43137376
Circumference 135520063.53674
Area 1.4614949840821E+15

Sphere

Radius = n
Volume 4.2030039100308E+22
Surface area 5.8459799363283E+15
Circumference 135520063.53674

Square

Length = n
Perimeter 86274752
Area 465208302041344
Diagonal 30502731.092194

Cube

Length = n
Surface area 2791249812248064
Volume 1.003393272174E+22
Space diagonal 37358063.468601

Equilateral Triangle

Length = n
Perimeter 64706064
Area 2.0144110380961E+14
Altitude 18679031.734301

Triangular Pyramid

Length = n
Surface area 2.0144110380961E+14
Volume 1.1825103115853E+21
Height 10167577.030731