21568986 (number)

21568986 is an even 8-digits composite number following 21568985 and preceding 21568987. In scientific notation, it is written as 2.1568986 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 6740448 positive integers (up to 21568986) that are relatively prime to 21568986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1568986 × 10^7
Engineering notation 2.1568986 × 10^6

Prime Factorization of 21568986

Prime Factorization 2 × 9 × 1219 × 983

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21568986
Product of the distinct prime numbers

The prime factorization of 21568986 is 2 × 9 × 1219 × 983. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 58, 25, 129, 216, 5148, 3274, 49698, 10297, 881728, 862331, 8887164, 6145806, 14693872, 71421718, 304688577, 723952602, 5921978915, 7629606926

Basic calculations (n = 21568986)

Multiplication

n×y
n×2 43137972
n×3 64706958
n×4 86275944
n×5 107844930

Division

n÷y
n÷2 10784493
n÷3 7189662
n÷3 5392246.5
n÷5 4313797.2

Exponentiation

ny
n2 465221157068196
n3 1.0034348623708E+22
n4 2.1643072498387E+29
n5 4.668191277147E+36

Nth Root

y√n
2√n 4644.2422417441
3√n 278.36197521196
4√n 68.148677476119
5√n 29.293141247518

Divisors of 21568986

1, 2, 9, 18, 983, 1219, 1966, 2438, 8847, 10971, 17694, 21942, 1198277, 2396554, 10784493, 21568986

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 -21568985
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 21568986 can be divided by 16 positive divisors. The sum of these divisors (counting 21568986) is 1, the average is 0.0625.

Base conversion 21568986

Base System Value
2 Binary 1010010010001110111011010
3 Ternary 1111120211002100
4 Quaternary 1102101313122
5 Quinary 21010201421
6 Senary 2050144230
8 Octal 122216732
10 Decimal 21568986
12 Duodecimal 7282076
16 Hexadecimal 1491dda
20 Vigesimal 6eg296
36 Base36 cuaqi

Cryptographic Hash Functions

md5 7e56f04c3e6fb5657c4f42ac02b60c20
sha1 fe40079d610087d2d631fe8218946d82507868c5
sha256 795db1fd123be3ba93a17c95520619b3e9a4804a3636898ab7fb838e64823cb6
sha512 8bfd44297b14ac638ec66c92248dbf3c450aa7ca416f4d20a60e1290dad6dfcf31d80161b14650b6ebe68b52804ef0ddf0e387e37e0c1079de0f890576080918
ripemd-160 d341b42226a75600b997b2f1b61e38f4f99b0971

21568986 as geometric shapes

Circle

Radius = n
Diameter 43137972
Circumference 135521935.92596
Area 1.46153536934E+15

Sphere

Radius = n
Volume 4.2031781226399E+22
Surface area 5.84614147736E+15
Circumference 135521935.92596

Square

Length = n
Perimeter 86275944
Area 465221157068196
Diagonal 30503152.527835

Cube

Length = n
Surface area 2791326942409176
Volume 1.0034348623708E+22
Space diagonal 37358579.619742

Equilateral Triangle

Length = n
Perimeter 64706958
Area 2.0144667019952E+14
Altitude 18679289.809871

Triangular Pyramid

Length = n
Surface area 2.0144667019952E+14
Volume 1.1825593261023E+21
Height 10167717.509278