21025856 (number)

21025856 is an even 8-digits composite number following 21025855 and preceding 21025857. In scientific notation, it is written as 2.1025856 × 10^7. The sum of its digits is 29. It has a total of 8 prime factors and 28 positive divisors. There are 9959040 positive integers (up to 21025856) that are relatively prime to 21025856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1025856 × 10^7
Engineering notation 2.1025856 × 10^6

Prime Factorization of 21025856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 19 × 17291

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 657058
Product of the distinct prime numbers

The prime factorization of 21025856 is 2 × 2 × 2 × 2 × 2 × 2 × 19 × 17291. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 1, 70, 25, 178, 59, 3734, 8219, 53057, 29980, 687974, 501051, 747484, 40751, 83200492, 29073441, 961741321, 113726769, 1022580783, 3798969184

Basic calculations (n = 21025856)

Multiplication

n×y
n×2 42051712
n×3 63077568
n×4 84103424
n×5 105129280

Division

n÷y
n÷2 10512928
n÷3 7008618.6666667
n÷3 5256464
n÷5 4205171.2

Exponentiation

ny
n2 442086620532736
n3 9.295249622848E+21
n4 1.9544058005406E+29
n5 4.109305492773E+36

Nth Root

y√n
2√n 4585.3959480071
3√n 276.00560095054
4√n 67.715551744094
5√n 29.144105955534

Divisors of 21025856

1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17291, 34582, 69164, 138328, 276656, 328529, 553312, 657058, 1106624, 1314116, 2628232, 5256464, 10512928, 21025856

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21025855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21025856 can be divided by 28 positive divisors. The sum of these divisors (counting 21025856) is 1, the average is 0.035714285714286.

Base conversion 21025856

Base System Value
2 Binary 1010000001101010001000000
3 Ternary 1110120020001102
4 Quaternary 1100031101000
5 Quinary 20340311411
6 Senary 2030353532
8 Octal 120152100
10 Decimal 21025856
12 Duodecimal 705b8a8
16 Hexadecimal 140d440
20 Vigesimal 6b84cg
36 Base36 cinnk

Cryptographic Hash Functions

md5 a168caefe59e884b93dabfee1a9b9867
sha1 65a7d9eb43468864c8b4a8e6a6efd3018701a4b1
sha256 7a3e02e798566494f7a8ebb6209a3d5fbaeb7e0271b81679ce8824de536c95bd
sha512 d03633ff23ce8b163602b5b0ed4bf089b6750d4c1832fc2c6a20c483f95539420d74bb3b93ca61f6f7a31677b236125a15f52ee822f48b845ddb05aa3336f035
ripemd-160 f3d769c01a943bc8dd96fe809145c6017818a009

21025856 as geometric shapes

Circle

Radius = n
Diameter 42051712
Circumference 132109349.49007
Area 1.388856079316E+15

Sphere

Radius = n
Volume 3.893585057123E+22
Surface area 5.5554243172639E+15
Circumference 132109349.49007

Square

Length = n
Perimeter 84103424
Area 442086620532736
Diagonal 29735050.715704

Cube

Length = n
Surface area 2652519723196416
Volume 9.295249622848E+21
Space diagonal 36417850.864627

Equilateral Triangle

Length = n
Perimeter 63077568
Area 1.9142912202728E+14
Altitude 18208925.432313

Triangular Pyramid

Length = n
Surface area 1.9142912202728E+14
Volume 1.0954556735229E+21
Height 9911683.5719012