21128580 (number)

21128580 is an even 8-digits composite number following 21128579 and preceding 21128581. In scientific notation, it is written as 2.1128580 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 72 positive divisors. There are 5120640 positive integers (up to 21128580) that are relatively prime to 21128580.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1128580 × 10^7
Engineering notation 2.1128580 × 10^6

Prime Factorization of 21128580

Prime Factorization 2 × 2 × 15 × 3 × 11 × 3 × 3557

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3521430
Product of the distinct prime numbers

The prime factorization of 21128580 is 2 × 2 × 15 × 3 × 11 × 3 × 3557. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 5, 20, 5, 107, 884, 3133, 9749, 26693, 42537, 26379, 945798, 1723791, 6044884, 29328079, 33414884, 299032954, 10297309, 5376481884, 1352109130

Basic calculations (n = 21128580)

Multiplication

n×y
n×2 42257160
n×3 63385740
n×4 84514320
n×5 105642900

Division

n÷y
n÷2 10564290
n÷3 7042860
n÷3 5282145
n÷5 4225716

Exponentiation

ny
n2 446416892816400
n3 9.4321550332227E+21
n4 1.9928804219185E+29
n5 4.2106733424939E+36

Nth Root

y√n
2√n 4596.583513872
3√n 276.45435559191
4√n 67.798108482995
5√n 29.172527776986

Divisors of 21128580

1, 2, 3, 4, 6, 9, 11, 12, 15, 18, 22, 30, 33, 36, 44, 45, 60, 66, 90, 99, 132, 135, 165, 180, 198, 270, 330, 396, 495, 540, 660, 990, 1485, 1980, 2970, 3557, 5940, 7114, 10671, 14228, 21342, 32013, 39127, 42684, 53355, 64026, 78254, 106710, 117381, 128052, 156508, 160065, 213420, 234762, 320130, 352143, 469524, 480195, 586905, 640260, 704286, 960390, 1173810, 1408572, 1760715, 1920780, 2347620, 3521430, 5282145, 7042860, 10564290, 21128580

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21128579
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21128580 can be divided by 72 positive divisors. The sum of these divisors (counting 21128580) is 1, the average is 0.013888888888889.

Base conversion 21128580

Base System Value
2 Binary 1010000100110010110000100
3 Ternary 1110202102222000
4 Quaternary 1100212112010
5 Quinary 20402103310
6 Senary 2032505300
8 Octal 120462604
10 Decimal 21128580
12 Duodecimal 70ab230
16 Hexadecimal 1426584
20 Vigesimal 6c1190
36 Base36 ckux0

Cryptographic Hash Functions

md5 0d997fbd5d32bd58d37681087fd4d30f
sha1 887f41568c0c76476b5b47a5ac6357214c4c71a4
sha256 ab8f6c5797d7c3f7ba380a8d20d6ccdfc972ccf1d48b58b61c6f3b00b9ca7f89
sha512 b2608124a10a1b4a14f4326dff14fe928ba5a21212f5b5dfb07395296e291a42fa3de80a23203d7a38ff89a08431c9a8d61bcdb78552ac278278ea4a14246086
ripemd-160 05fc1cbd5b73630d0a5711434da118b8aa634d13

21128580 as geometric shapes

Circle

Radius = n
Diameter 42257160
Circumference 132754783.41757
Area 1.4024600309104E+15

Sphere

Radius = n
Volume 3.950931861319E+22
Surface area 5.6098401236415E+15
Circumference 132754783.41757

Square

Length = n
Perimeter 84514320
Area 446416892816400
Diagonal 29880324.389685

Cube

Length = n
Surface area 2678501356898400
Volume 9.4321550332227E+21
Space diagonal 36595774.051784

Equilateral Triangle

Length = n
Perimeter 63385740
Area 1.9330418492876E+14
Altitude 18297887.025892

Triangular Pyramid

Length = n
Surface area 1.9330418492876E+14
Volume 1.1115901308658E+21
Height 9960108.129895