21006656 (number)

21006656 is an even 8-digits composite number following 21006655 and preceding 21006657. In scientific notation, it is written as 2.1006656 × 10^7. The sum of its digits is 26. It has a total of 9 prime factors and 56 positive divisors. There are 9351680 positive integers (up to 21006656) that are relatively prime to 21006656.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1006656 × 10^7
Engineering notation 2.1006656 × 10^6

Prime Factorization of 21006656

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 11 × 53 × 563

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 656458
Product of the distinct prime numbers

The prime factorization of 21006656 is 2 × 2 × 2 × 2 × 2 × 2 × 11 × 53 × 563. Since it has a total of 9 prime factors.

Most popular turbo-numbers

10, 6, 20, 92, 30, 666, 9595, 2847, 4133, 45639, 284201, 246143, 8541052, 3762833, 11129174, 76603251, 158144018, 231315820, 5983068723, 3166526428

Basic calculations (n = 21006656)

Multiplication

n×y
n×2 42013312
n×3 63019968
n×4 84026624
n×5 105033280

Division

n÷y
n÷2 10503328
n÷3 7002218.6666667
n÷3 5251664
n÷5 4201331.2

Exponentiation

ny
n2 441279596302336
n3 9.269808679342E+21
n4 1.9472768211275E+29
n5 4.0905774318199E+36

Nth Root

y√n
2√n 4583.3018665586
3√n 275.921562812
4√n 67.700087640701
5√n 29.1387813558

Divisors of 21006656

1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 176, 212, 352, 424, 563, 583, 704, 848, 1126, 1166, 1696, 2252, 2332, 3392, 4504, 4664, 6193, 9008, 9328, 12386, 18016, 18656, 24772, 29839, 36032, 37312, 49544, 59678, 99088, 119356, 198176, 238712, 328229, 396352, 477424, 656458, 954848, 1312916, 1909696, 2625832, 5251664, 10503328, 21006656

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21006655
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006656 can be divided by 56 positive divisors. The sum of these divisors (counting 21006656) is 1, the average is 0.017857142857143.

Base conversion 21006656

Base System Value
2 Binary 1010000001000100101000000
3 Ternary 1110112020201022
4 Quaternary 1100020211000
5 Quinary 20334203111
6 Senary 2030125012
8 Octal 120104500
10 Decimal 21006656
12 Duodecimal 7050768
16 Hexadecimal 1408940
20 Vigesimal 6b5gcg
36 Base36 ci8u8

Cryptographic Hash Functions

md5 343393819c092a2602775f05412c0b6a
sha1 b8f5e5d957416f706b9186b257671ac3e73c224f
sha256 a8583476d753ebb735eb71d09aa3a7d34d6b87da9e62709a7ab05b61d346215e
sha512 e40212eb113ab3e50a95d43315336e91f7dc25aa479d70e4aa1081e159ac0a2e145748ed8583ae53226eb2886a47e901904e07872a97393e201bda3b99d28404
ripemd-160 c2eb46331a69442e25580549b5c56e1e5b4cdf1c

21006656 as geometric shapes

Circle

Radius = n
Diameter 42013312
Circumference 131988712.33218
Area 1.3863207379225E+15

Sphere

Radius = n
Volume 3.8829283796272E+22
Surface area 5.54528295169E+15
Circumference 131988712.33218

Square

Length = n
Perimeter 84026624
Area 441279596302336
Diagonal 29707897.815306

Cube

Length = n
Surface area 2647677577814016
Volume 9.269808679342E+21
Space diagonal 36384595.489122

Equilateral Triangle

Length = n
Perimeter 63019968
Area 1.9107967028478E+14
Altitude 18192297.744561

Triangular Pyramid

Length = n
Surface area 1.9107967028478E+14
Volume 1.0924574295774E+21
Height 9902632.6051021