21585428 (number)

21585428 is an even 8-digits composite number following 21585427 and preceding 21585429. In scientific notation, it is written as 2.1585428 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10707480 positive integers (up to 21585428) that are relatively prime to 21585428.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred eighty-five thousand four hundred twenty-eight

Notation

Scientific notation 2.1585428 × 10^7
Engineering notation 2.1585428 × 10^6

Prime Factorization of 21585428

Prime Factorization 2 × 2 × 127 × 42491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10792714
Product of the distinct prime numbers

The prime factorization of 21585428 is 2 × 2 × 127 × 42491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 82, 93, 858, 12, 3529, 7290, 72523, 20166, 636637, 212930, 7126768, 4286386, 47596447, 38066969, 668017984, 129799102, 5967567363, 4577116369

Basic calculations (n = 21585428)

Multiplication

n×y
n×2 43170856
n×3 64756284
n×4 86341712
n×5 107927140

Division

n÷y
n÷2 10792714
n÷3 7195142.6666667
n÷3 5396357
n÷5 4317085.6

Exponentiation

ny
n2 465930701943184
n3 1.0057313619784E+22
n4 2.1709141901327E+29
n5 4.6860111945287E+36

Nth Root

y√n
2√n 4646.0120533636
3√n 278.43268886101
4√n 68.161661169338
5√n 29.297605908349

Divisors of 21585428

1, 2, 4, 127, 254, 508, 42491, 84982, 169964, 5396357, 10792714, 21585428

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 -21585427
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 21585428 can be divided by 12 positive divisors. The sum of these divisors (counting 21585428) is 1, the average is 0.083333333333333.

Base conversion 21585428

Base System Value
2 Binary 1010010010101111000010100
3 Ternary 1111121122122022
4 Quaternary 1102111320110
5 Quinary 21011213203
6 Senary 2050352312
8 Octal 122257024
10 Decimal 21585428
12 Duodecimal 728b698
16 Hexadecimal 1495e14
20 Vigesimal 6ei3b8
36 Base36 cunf8

Cryptographic Hash Functions

md5 f4627fb80685e845fee847066cbff33a
sha1 1217dbfd9c4a6259498e27827bf6d1145e7bae05
sha256 af6dcd4872655fd63977f078209c589f51ec7f61c4b9f583116b82f2681f259b
sha512 920606bd1990981ebf8426ee255a9fca2a88517e1710b4e58e22bcf23e774b91e0622d89cdafcd5358ae047f768b2c3a194b3b121a380dca06483a3a46533046
ripemd-160 dd9c088c45cf2993af22a9ae7e98828bef38c396

21585428 as geometric shapes

Circle

Radius = n
Diameter 43170856
Circumference 135625244.05878
Area 1.4637644703066E+15

Sphere

Radius = n
Volume 4.2127976777016E+22
Surface area 5.8550578812266E+15
Circumference 135625244.05878

Square

Length = n
Perimeter 86341712
Area 465930701943184
Diagonal 30526405.027228

Cube

Length = n
Surface area 2795584211659104
Volume 1.0057313619784E+22
Space diagonal 37387057.99912

Equilateral Triangle

Length = n
Perimeter 64756284
Area 2.0175391214296E+14
Altitude 18693528.99956

Triangular Pyramid

Length = n
Surface area 2.0175391214296E+14
Volume 1.1852657768449E+21
Height 10175468.342409