21000256 (number)

21000256 is an even 8-digits composite number following 21000255 and preceding 21000257. In scientific notation, it is written as 2.1000256 × 10^7. The sum of its digits is 16. It has a total of 7 prime factors and 14 positive divisors. There are 10500096 positive integers (up to 21000256) that are relatively prime to 21000256.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty-six

Notation

Scientific notation 2.1000256 × 10^7
Engineering notation 2.1000256 × 10^6

Prime Factorization of 21000256

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 328129

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 656258
Product of the distinct prime numbers

The prime factorization of 21000256 is 2 × 2 × 2 × 2 × 2 × 2 × 328129. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 10, 41, 90, 927, 266, 8470, 1755, 90129, 53204, 827248, 423235, 3162212, 3409993, 51821658, 44256195, 381836125, 747687298, 3606122029, 7937854692

Basic calculations (n = 21000256)

Multiplication

n×y
n×2 42000512
n×3 63000768
n×4 84001024
n×5 105001280

Division

n÷y
n÷2 10500128
n÷3 7000085.3333333
n÷3 5250064
n÷5 4200051.2

Exponentiation

ny
n2 441010752065536
n3 9.2613386921288E+21
n4 1.9449048343741E+29
n5 4.0843499417494E+36

Nth Root

y√n
2√n 4582.6036267607
3√n 275.89353872021
4√n 67.694930583912
5√n 29.137005624037

Divisors of 21000256

1, 2, 4, 8, 16, 32, 64, 328129, 656258, 1312516, 2625032, 5250064, 10500128, 21000256

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000255
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000256 can be divided by 14 positive divisors. The sum of these divisors (counting 21000256) is 1, the average is 0.071428571428571.

Base conversion 21000256

Base System Value
2 Binary 1010000000111000001000000
3 Ternary 1110111220221021
4 Quaternary 1100013001000
5 Quinary 20334002011
6 Senary 2030035224
8 Octal 120070100
10 Decimal 21000256
12 Duodecimal 7048b14
16 Hexadecimal 1407040
20 Vigesimal 6b50cg
36 Base36 ci3wg

Cryptographic Hash Functions

md5 02846a0306f2a534b9708449270003d4
sha1 e8012d540d63a9b5555a5fead5c99999a247613a
sha256 16c0ce320530174e3e6618a714b4a5d9ec5958d9bac880185b7225377844a465
sha512 15748544f48ff956eac5dece76cbdf086a29a8f38c5e01ad5e432bc3e77525cd71218e99b11fa4c261689793cde8da02a0ad758afc28c46556ee5937ff68a953
ripemd-160 81e233a358fa3af2c6f132b409159031bbeb3439

21000256 as geometric shapes

Circle

Radius = n
Diameter 42000512
Circumference 131948499.94621
Area 1.3854761388432E+15

Sphere

Radius = n
Volume 3.8793804796798E+22
Surface area 5.5419045553728E+15
Circumference 131948499.94621

Square

Length = n
Perimeter 84001024
Area 441010752065536
Diagonal 29698846.848507

Cube

Length = n
Surface area 2646064512393216
Volume 9.2613386921288E+21
Space diagonal 36373510.363953

Equilateral Triangle

Length = n
Perimeter 63000768
Area 1.9096325731542E+14
Altitude 18186755.181977

Triangular Pyramid

Length = n
Surface area 1.9096325731542E+14
Volume 1.0914592320116E+21
Height 9899615.616169