21779428 (number)

21779428 is an even 8-digits composite number following 21779427 and preceding 21779429. In scientific notation, it is written as 2.1779428 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 9899720 positive integers (up to 21779428) that are relatively prime to 21779428.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred seventy-nine thousand four hundred twenty-eight

Notation

Scientific notation 2.1779428 × 10^7
Engineering notation 2.1779428 × 10^6

Prime Factorization of 21779428

Prime Factorization 2 × 2 × 11 × 494987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10889714
Product of the distinct prime numbers

The prime factorization of 21779428 is 2 × 2 × 11 × 494987. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 12, 100, 513, 210, 4047, 6669, 38087, 1354, 945402, 92149, 1831219, 7359171, 70928108, 24275809, 904055136, 553376505, 4723839549, 7454110934

Basic calculations (n = 21779428)

Multiplication

n×y
n×2 43558856
n×3 65338284
n×4 87117712
n×5 108897140

Division

n÷y
n÷2 10889714
n÷3 7259809.3333333
n÷3 5444857
n÷5 4355885.6

Exponentiation

ny
n2 474343484007184
n3 1.0330929757204E+22
n4 2.2500174082007E+29
n5 4.9004092140655E+36

Nth Root

y√n
2√n 4666.8434728411
3√n 279.26434438441
4√n 68.31429918283
5√n 29.350080308328

Divisors of 21779428

1, 2, 4, 11, 22, 44, 494987, 989974, 1979948, 5444857, 10889714, 21779428

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 -21779427
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 21779428 can be divided by 12 positive divisors. The sum of these divisors (counting 21779428) is 1, the average is 0.083333333333333.

Base conversion 21779428

Base System Value
2 Binary 1010011000101001111100100
3 Ternary 1111222111202111
4 Quaternary 1103011033210
5 Quinary 21033420203
6 Senary 2054450404
8 Octal 123051744
10 Decimal 21779428
12 Duodecimal 7363a04
16 Hexadecimal 14c53e4
20 Vigesimal 6g28b8
36 Base36 cyt44

Cryptographic Hash Functions

md5 b53617fa33ba19d4ae5c3be40165cbb1
sha1 875d79121a5d80da86cfd9f60f0524dd2ea39864
sha256 8eae3e867791e2213881fe5a95c1700a5a26b44b710d3ec274de3ecc54553d19
sha512 1b1aa0c3882ab9b1097ce63cb2f8160f9067e80560e80453ef3596dbbefb0cd9c33cf2e04cd596cf9d76b1c3231659c4c7bebb89c3349469b975ae730b07b279
ripemd-160 2e38c4ba5b7c2514415781b26effed5ebcc6a81d

21779428 as geometric shapes

Circle

Radius = n
Diameter 43558856
Circumference 136844182.00838
Area 1.4901940046352E+15

Sphere

Radius = n
Volume 4.3274097373311E+22
Surface area 5.9607760185406E+15
Circumference 136844182.00838

Square

Length = n
Perimeter 87117712
Area 474343484007184
Diagonal 30800762.458328

Cube

Length = n
Surface area 2846060904043104
Volume 1.0330929757204E+22
Space diagonal 37723075.855788

Equilateral Triangle

Length = n
Perimeter 65338284
Area 2.0539675363492E+14
Altitude 18861537.927894

Triangular Pyramid

Length = n
Surface area 2.0539675363492E+14
Volume 1.2175117478801E+21
Height 10266920.819443