21687922 (number)

21687922 is an even 8-digits composite number following 21687921 and preceding 21687923. In scientific notation, it is written as 2.1687922 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 10764672 positive integers (up to 21687922) that are relatively prime to 21687922.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-seven thousand nine hundred twenty-two

Notation

Scientific notation 2.1687922 × 10^7
Engineering notation 2.1687922 × 10^6

Prime Factorization of 21687922

Prime Factorization 2 × 137 × 79153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21687922
Product of the distinct prime numbers

The prime factorization of 21687922 is 2 × 137 × 79153. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21687922)

Multiplication

n×y
n×2 43375844
n×3 65063766
n×4 86751688
n×5 108439610

Division

n÷y
n÷2 10843961
n÷3 7229307.3333333
n÷3 5421980.5
n÷5 4337584.4

Exponentiation

ny
n2 470365960678084
n3 1.0201260266641E+22
n4 2.2124413696462E+29
n5 4.7983255854459E+36

Nth Root

y√n
2√n 4657.0293106228
3√n 278.87268678211
4√n 68.242430427285
5√n 29.325375954761

Divisors of 21687922

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21687921
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21687922 can be divided by 8 positive divisors. The sum of these divisors (counting 21687922) is 1, the average is 0.125.

Base conversion 21687922

Base System Value
2 Binary 1010010101110111001110010
3 Ternary 1111210212020101
4 Quaternary 1102232321302
5 Quinary 21023003142
6 Senary 2052503014
8 Octal 122567162
10 Decimal 21687922
12 Duodecimal 731aa6a
16 Hexadecimal 14aee72
20 Vigesimal 6fajg2
36 Base36 cwuia

Cryptographic Hash Functions

md5 2a0c72eb8e929010b493a7489ec0ede7
sha1 4884e8ce339285f31dffe030994e9e499dedac5e
sha256 7bd30d1ff1120be81421632a985f8ba450641660cd628325c434f39952878b8a
sha512 f4dad37b7896981a8e5445ebe7007ed0f57a26e95adfc0c5d9981177b6378a02f8e22d1f0be9acf94fb1baf448e1a0f14dcf7d44c33a34dc2eb297a3ce590fca
ripemd-160 3238cb834f8fd574a3e3638b5d5b7e6f7e907d8e

21687922 as geometric shapes

Circle

Radius = n
Diameter 43375844
Circumference 136269232.85366
Area 1.477698246565E+15

Sphere

Radius = n
Volume 4.2730939081384E+22
Surface area 5.9107929862599E+15
Circumference 136269232.85366

Square

Length = n
Perimeter 86751688
Area 470365960678084
Diagonal 30671353.43209

Cube

Length = n
Surface area 2822195764068504
Volume 1.0201260266641E+22
Space diagonal 37564582.814591

Equilateral Triangle

Length = n
Perimeter 65063766
Area 2.0367443551135E+14
Altitude 18782291.407295

Triangular Pyramid

Length = n
Surface area 2.0367443551135E+14
Volume 1.2022300518652E+21
Height 10223784.477363