21944688 (number)

21944688 is an even 8-digits composite number following 21944687 and preceding 21944689. In scientific notation, it is written as 2.1944688 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 6884352 positive integers (up to 21944688) that are relatively prime to 21944688.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred forty-four thousand six hundred eighty-eight

Notation

Scientific notation 2.1944688 × 10^7
Engineering notation 2.1944688 × 10^6

Prime Factorization of 21944688

Prime Factorization 2 × 2 × 2 × 2 × 3 × 17 × 26893

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2743086
Product of the distinct prime numbers

The prime factorization of 21944688 is 2 × 2 × 2 × 2 × 3 × 17 × 26893. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21944688)

Multiplication

n×y
n×2 43889376
n×3 65834064
n×4 87778752
n×5 109723440

Division

n÷y
n÷2 10972344
n÷3 7314896
n÷3 5486172
n÷5 4388937.6

Exponentiation

ny
n2 481569331417344
n3 1.0567888728322E+22
n4 2.3190902096175E+29
n5 5.089171109391E+36

Nth Root

y√n
2√n 4684.5157700663
3√n 279.96890811223
4√n 68.443522484354
5√n 29.394486793476

Divisors of 21944688

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21944687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21944688 can be divided by 40 positive divisors. The sum of these divisors (counting 21944688) is 1, the average is 0.025.

Base conversion 21944688

Base System Value
2 Binary 1010011101101100101110000
3 Ternary 1112021220110020
4 Quaternary 1103231211300
5 Quinary 21104212223
6 Senary 2102203440
8 Octal 123554560
10 Decimal 21944688
12 Duodecimal 7423580
16 Hexadecimal 14ed970
20 Vigesimal 6h31e8
36 Base36 d2cmo

Cryptographic Hash Functions

md5 7db4056e9a1cf6d45fc1be5f8fcbd97a
sha1 ec24a1117017cacb8c7f5b24e8362886709cd1fb
sha256 391820142a0b51a32551ace96d4e4504eb1323c479b32a5da0aae0821e224977
sha512 67835428d4254796dd40026dba2ad80196c6d3b9b10c85ce51eeae6747f1750668a08a66948e3427358bdae2999f8305325277ee3c24d147c59746d59c818af8
ripemd-160 e0d80cd0730184846f92823c950f89ee38bddd56

21944688 as geometric shapes

Circle

Radius = n
Diameter 43889376
Circumference 137882541.21224
Area 1.5128946737749E+15

Sphere

Radius = n
Volume 4.4266668790469E+22
Surface area 6.0515786950995E+15
Circumference 137882541.21224

Square

Length = n
Perimeter 87778752
Area 481569331417344
Diagonal 31034475.391646

Cube

Length = n
Surface area 2889415988504064
Volume 1.0567888728322E+22
Space diagonal 38009314.572247

Equilateral Triangle

Length = n
Perimeter 65834064
Area 2.0852563734545E+14
Altitude 19004657.286124

Triangular Pyramid

Length = n
Surface area 2.0852563734545E+14
Volume 1.2454376304369E+21
Height 10344825.130549