21691884 (number)

21691884 is an even 8-digits composite number following 21691883 and preceding 21691885. In scientific notation, it is written as 2.1691884 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 6888000 positive integers (up to 21691884) that are relatively prime to 21691884.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred eighty-four

Notation

Scientific notation 2.1691884 × 10^7
Engineering notation 2.1691884 × 10^6

Prime Factorization of 21691884

Prime Factorization 2 × 2 × 87 × 83 × 751

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10845942
Product of the distinct prime numbers

The prime factorization of 21691884 is 2 × 2 × 87 × 83 × 751. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 45, 99, 246, 65, 3249, 1433, 89707, 56727, 754032, 856460, 9148829, 8150083, 64465444, 75397782, 270023100, 807978140, 2371579787, 707661221

Basic calculations (n = 21691884)

Multiplication

n×y
n×2 43383768
n×3 65075652
n×4 86767536
n×5 108459420

Division

n÷y
n÷2 10845942
n÷3 7230628
n÷3 5422971
n÷5 4338376.8

Exponentiation

ny
n2 470537831469456
n3 1.0206852057847E+22
n4 2.2140585084398E+29
n5 4.8027100334289E+36

Nth Root

y√n
2√n 4657.4546696667
3√n 278.88966745166
4√n 68.245546885249
5√n 29.326447322044

Divisors of 21691884

1, 2, 4, 83, 87, 166, 174, 332, 348, 751, 1502, 3004, 7221, 14442, 28884, 62333, 65337, 124666, 130674, 249332, 261348, 5422971, 10845942, 21691884

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21691883
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691884 can be divided by 24 positive divisors. The sum of these divisors (counting 21691884) is 1, the average is 0.041666666666667.

Base conversion 21691884

Base System Value
2 Binary 1010010101111110111101100
3 Ternary 1111211001200010
4 Quaternary 1102233313230
5 Quinary 21023120014
6 Senary 2052533220
8 Octal 122576754
10 Decimal 21691884
12 Duodecimal 7321210
16 Hexadecimal 14afdec
20 Vigesimal 6fb9e4
36 Base36 cwxkc

Cryptographic Hash Functions

md5 ecea2d6eea7ce32708147f320de521e5
sha1 f41b5dd9af45b2d6fa4deae32b5da571634859f8
sha256 c7383394f1e91aee73aac9c16010aad6952f10f576f9db6301f64b0dc5c56274
sha512 68091d1ffc8426d7877f8a1e3ac5a04069c6efbe22167ae681e4f1640fdfd6efa7663e6ee5da45912dc6cf68a18cd382ef248719ef805ad2aa3feb17b7998022
ripemd-160 0142689ebe48ad82aed323da650d0e7904e3e7f0

21691884 as geometric shapes

Circle

Radius = n
Diameter 43383768
Circumference 136294126.83384
Area 1.4782381945805E+15

Sphere

Radius = n
Volume 4.2754361921613E+22
Surface area 5.9129527783221E+15
Circumference 136294126.83384

Square

Length = n
Perimeter 86767536
Area 470537831469456
Diagonal 30676956.546224

Cube

Length = n
Surface area 2823226988816736
Volume 1.0206852057847E+22
Space diagonal 37571445.19989

Equilateral Triangle

Length = n
Perimeter 65075652
Area 2.0374885774709E+14
Altitude 18785722.599945

Triangular Pyramid

Length = n
Surface area 2.0374885774709E+14
Volume 1.2028890507786E+21
Height 10225652.182075