21556686 (number)

21556686 is an even 8-digits composite number following 21556685 and preceding 21556687. In scientific notation, it is written as 2.1556686 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 6894720 positive integers (up to 21556686) that are relatively prime to 21556686.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand six hundred eighty-six

Notation

Scientific notation 2.1556686 × 10^7
Engineering notation 2.1556686 × 10^6

Prime Factorization of 21556686

Prime Factorization 2 × 3 × 29 × 229 × 541

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21556686
Product of the distinct prime numbers

The prime factorization of 21556686 is 2 × 3 × 29 × 229 × 541. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556686)

Multiplication

n×y
n×2 43113372
n×3 64670058
n×4 86226744
n×5 107783430

Division

n÷y
n÷2 10778343
n÷3 7185562
n÷3 5389171.5
n÷5 4311337.2

Exponentiation

ny
n2 464690711302596
n3 1.0017191750667E+22
n4 2.1593745717091E+29
n5 4.6548959598718E+36

Nth Root

y√n
2√n 4642.9178325704
3√n 278.3090519493
4√n 68.138959726212
5√n 29.289799524795

Divisors of 21556686

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556685
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556686 can be divided by 32 positive divisors. The sum of these divisors (counting 21556686) is 1, the average is 0.03125.

Base conversion 21556686

Base System Value
2 Binary 1010010001110110111001110
3 Ternary 1111120012012210
4 Quaternary 1102032313032
5 Quinary 21004303221
6 Senary 2050011250
8 Octal 122166716
10 Decimal 21556686
12 Duodecimal 7276b26
16 Hexadecimal 148edce
20 Vigesimal 6eebe6
36 Base36 cu18u

Cryptographic Hash Functions

md5 a8015027cc03e79aaee18d87fac96582
sha1 681580fe14346d129b3a59e6b49b784cfefd4985
sha256 007ef83b988894a45608e3b603ced7ecfa6a8b82b88a43e61e47d65ba3cd827f
sha512 1c225c26fe4fc982e33da01fe9c155db8e86766bfa98f68f8753140fdb295b3d9df7515b258690e5c18b968b33f59823dc6c51ba88f017844717af9a187eda18
ripemd-160 fb1157d67dd635989ae50453fef245290ff3bd56

21556686 as geometric shapes

Circle

Radius = n
Diameter 43113372
Circumference 135444652.74668
Area 1.4598689248197E+15

Sphere

Radius = n
Volume 4.195991468466E+22
Surface area 5.8394756992786E+15
Circumference 135444652.74668

Square

Length = n
Perimeter 86226744
Area 464690711302596
Diagonal 30485757.701018

Cube

Length = n
Surface area 2788144267815576
Volume 1.0017191750667E+22
Space diagonal 37337275.394809

Equilateral Triangle

Length = n
Perimeter 64670058
Area 2.0121698044535E+14
Altitude 18668637.697404

Triangular Pyramid

Length = n
Surface area 2.0121698044535E+14
Volume 1.1805373692237E+21
Height 10161919.233673