21457584 (number)

21457584 is an even 8-digits composite number following 21457583 and preceding 21457585. In scientific notation, it is written as 2.1457584 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors. There are 7152480 positive integers (up to 21457584) that are relatively prime to 21457584.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-seven thousand five hundred eighty-four

Notation

Scientific notation 2.1457584 × 10^7
Engineering notation 2.1457584 × 10^6

Prime Factorization of 21457584

Prime Factorization 2 × 2 × 2 × 2 × 9 × 149011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2682198
Product of the distinct prime numbers

The prime factorization of 21457584 is 2 × 2 × 2 × 2 × 9 × 149011. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 10, 45, 96, 523, 415, 3434, 8421, 72013, 46013, 103557, 333128, 3972069, 7455922, 34392729, 18763499, 341326827, 536565967, 7162198670, 1412613383

Basic calculations (n = 21457584)

Multiplication

n×y
n×2 42915168
n×3 64372752
n×4 85830336
n×5 107287920

Division

n÷y
n÷2 10728792
n÷3 7152528
n÷3 5364396
n÷5 4291516.8

Exponentiation

ny
n2 460427911117056
n3 9.8796705787388E+21
n4 2.1199386133562E+29
n5 4.5488760870933E+36

Nth Root

y√n
2√n 4632.2331547538
3√n 277.88190902437
4√n 68.060510979229
5√n 29.262819215801

Divisors of 21457584

1, 2, 4, 8, 9, 16, 18, 36, 72, 144, 149011, 298022, 596044, 1192088, 1341099, 2384176, 2682198, 5364396, 10728792, 21457584

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 -21457583
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 21457584 can be divided by 20 positive divisors. The sum of these divisors (counting 21457584) is 1, the average is 0.05.

Base conversion 21457584

Base System Value
2 Binary 1010001110110101010110000
3 Ternary 1111101011021100
4 Quaternary 1101312222300
5 Quinary 20443120314
6 Senary 2043524400
8 Octal 121665260
10 Decimal 21457584
12 Duodecimal 7229700
16 Hexadecimal 1476ab0
20 Vigesimal 6e23j4
36 Base36 crws0

Cryptographic Hash Functions

md5 cf056c830c35b844960cfb93068e3be5
sha1 b4a1f526988828761afdaa04678e9845519d6add
sha256 b64209f4389b64af3a1ea17e42dc224e470d7686566bd9725a1e73b0221bed25
sha512 34168564bed51aa43ca1d55d66c3f5bc5f65de0261a83cc06262d06e863e6361ec3999e96dca317662d27a59f0770fcc11dbcc5f4779f239952e2d382fc0c195
ripemd-160 e9faf7121a49f572bbd0da32d140b76d477c30b9

21457584 as geometric shapes

Circle

Radius = n
Diameter 42915168
Circumference 134821976.51637
Area 1.446476943073E+15

Sphere

Radius = n
Volume 4.1383867346737E+22
Surface area 5.7859077722921E+15
Circumference 134821976.51637

Square

Length = n
Perimeter 85830336
Area 460427911117056
Diagonal 30345606.30856

Cube

Length = n
Surface area 2762567466702336
Volume 9.8796705787388E+21
Space diagonal 37165625.695677

Equilateral Triangle

Length = n
Perimeter 64372752
Area 1.9937113381939E+14
Altitude 18582812.847839

Triangular Pyramid

Length = n
Surface area 1.9937113381939E+14
Volume 1.1643303436859E+21
Height 10115202.102853