21493724 (number)

21493724 is an even 8-digits composite number following 21493723 and preceding 21493725. In scientific notation, it is written as 2.1493724 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 9211584 positive integers (up to 21493724) that are relatively prime to 21493724.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand seven hundred twenty-four

Notation

Scientific notation 2.1493724 × 10^7
Engineering notation 2.1493724 × 10^6

Prime Factorization of 21493724

Prime Factorization 2 × 2 × 7 × 767633

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10746862
Product of the distinct prime numbers

The prime factorization of 21493724 is 2 × 2 × 7 × 767633. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 42, 60, 715, 128, 4950, 8021, 49895, 42526, 23884, 266840, 144555, 5765689, 77974820, 6491377, 323568542, 482254537, 5541156542, 1118356820

Basic calculations (n = 21493724)

Multiplication

n×y
n×2 42987448
n×3 64481172
n×4 85974896
n×5 107468620

Division

n÷y
n÷2 10746862
n÷3 7164574.6666667
n÷3 5373431
n÷5 4298744.8

Exponentiation

ny
n2 461980171388176
n3 9.9296742972902E+21
n4 2.1342567875585E+29
n5 4.5873126336909E+36

Nth Root

y√n
2√n 4636.1324398684
3√n 278.03782933269
4√n 68.089150676656
5√n 29.272669779847

Divisors of 21493724

1, 2, 4, 7, 14, 28, 767633, 1535266, 3070532, 5373431, 10746862, 21493724

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493723
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493724 can be divided by 12 positive divisors. The sum of these divisors (counting 21493724) is 1, the average is 0.083333333333333.

Base conversion 21493724

Base System Value
2 Binary 1010001111111011111011100
3 Ternary 1111102222211212
4 Quaternary 1101333133130
5 Quinary 21000244344
6 Senary 2044403552
8 Octal 121773734
10 Decimal 21493724
12 Duodecimal 72465b8
16 Hexadecimal 147f7dc
20 Vigesimal 6e6e64
36 Base36 csonw

Cryptographic Hash Functions

md5 aac0df23fbaf21336d55a54e9c60dfe3
sha1 bcb294acbb0481c99501442791ca2ead9de6dcaf
sha256 99ee491d1f962de67a78a3e49782ea1f480d2fdbdc478a8ffbecdee2888da0c4
sha512 896b00e65d07b85c8e4663b259fe747aa0dee68fc48b719ba2dff0581b3e445910f48f275c5f0b6caf8f9cb4a2326d15bc1fb83c1d3f44930df2d460dfbb7893
ripemd-160 217cae7fd5fae4cc4dac472b5353727dfb601116

21493724 as geometric shapes

Circle

Radius = n
Diameter 42987448
Circumference 135049050.83337
Area 1.4513535125372E+15

Sphere

Radius = n
Volume 4.1593322433208E+22
Surface area 5.805414050149E+15
Circumference 135049050.83337

Square

Length = n
Perimeter 85974896
Area 461980171388176
Diagonal 30396715.986704

Cube

Length = n
Surface area 2771881028329056
Volume 9.9296742972902E+21
Space diagonal 37228222.011863

Equilateral Triangle

Length = n
Perimeter 64481172
Area 2.0004328223342E+14
Altitude 18614111.005931

Triangular Pyramid

Length = n
Surface area 2.0004328223342E+14
Volume 1.1702233384313E+21
Height 10132238.662235