21568686 (number)

21568686 is an even 8-digits composite number following 21568685 and preceding 21568687. In scientific notation, it is written as 2.1568686 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6811128 positive integers (up to 21568686) that are relatively prime to 21568686.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1568686 × 10^7
Engineering notation 2.1568686 × 10^6

Prime Factorization of 21568686

Prime Factorization 2 × 3 × 19 × 189199

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21568686
Product of the distinct prime numbers

The prime factorization of 21568686 is 2 × 3 × 19 × 189199. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 2, 1, 806, 421, 4908, 3100, 47109, 4550, 758833, 345019, 5584531, 6412091, 14586600, 94824318, 970611253, 988493201, 2689403823, 3868269563

Basic calculations (n = 21568686)

Multiplication

n×y
n×2 43137372
n×3 64706058
n×4 86274744
n×5 107843430

Division

n÷y
n÷2 10784343
n÷3 7189562
n÷3 5392171.5
n÷5 4313737.2

Exponentiation

ny
n2 465208215766596
n3 1.003392993049E+22
n4 2.1641868401674E+29
n5 4.6678666400903E+36

Nth Root

y√n
2√n 4644.2099435749
3√n 278.36068464009
4√n 68.148440507285
5√n 29.293059760226

Divisors of 21568686

1, 2, 3, 6, 19, 38, 57, 114, 189199, 378398, 567597, 1135194, 3594781, 7189562, 10784343, 21568686

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568685
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568686 can be divided by 16 positive divisors. The sum of these divisors (counting 21568686) is 1, the average is 0.0625.

Base conversion 21568686

Base System Value
2 Binary 1010010010001110010101110
3 Ternary 1111120210200020
4 Quaternary 1102101302232
5 Quinary 21010144221
6 Senary 2050143010
8 Octal 122216256
10 Decimal 21568686
12 Duodecimal 7281a66
16 Hexadecimal 1491cae
20 Vigesimal 6eg1e6
36 Base36 cuai6

Cryptographic Hash Functions

md5 52aa4c2700910da35130d9d9b88898ba
sha1 93e140077a7fa042215d08ec814edd07871fd54b
sha256 4502bfbe728db0e234535419e80730c2ac0cf224f4e8672a5ca40cd03d9e7211
sha512 295bf9b1282bdd3e230d8b0174befb2e305b45bea9b3c76a0d802cdc1388c4ef863ab2e9d26a3109ef4b5caf43eeb16eb8fa860d1117cb5d12400d3642fdc084
ripemd-160 341fd517fb5d65431c96e4cafe259d2a9cbf101c

21568686 as geometric shapes

Circle

Radius = n
Diameter 43137372
Circumference 135520050.97037
Area 1.461494713042E+15

Sphere

Radius = n
Volume 4.2030027408349E+22
Surface area 5.8459788521678E+15
Circumference 135520050.97037

Square

Length = n
Perimeter 86274744
Area 465208215766596
Diagonal 30502728.263767

Cube

Length = n
Surface area 2791249294599576
Volume 1.003392993049E+22
Space diagonal 37358060.0045

Equilateral Triangle

Length = n
Perimeter 64706058
Area 2.0144106645155E+14
Altitude 18679030.00225

Triangular Pyramid

Length = n
Surface area 2.0144106645155E+14
Volume 1.1825099826334E+21
Height 10167576.087922