21256722 (number)

21256722 is an even 8-digits composite number following 21256721 and preceding 21256723. In scientific notation, it is written as 2.1256722 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6893424 positive integers (up to 21256722) that are relatively prime to 21256722.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1256722 × 10^7
Engineering notation 2.1256722 × 10^6

Prime Factorization of 21256722

Prime Factorization 2 × 27 × 37 × 10639

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21256722
Product of the distinct prime numbers

The prime factorization of 21256722 is 2 × 27 × 37 × 10639. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 8, 2, 112, 222, 2147, 6921, 41406, 69139, 571945, 410131, 427004, 4887336, 16068334, 5734984, 729924014, 867362964, 7799103809, 6595850258

Basic calculations (n = 21256722)

Multiplication

n×y
n×2 42513444
n×3 63770166
n×4 85026888
n×5 106283610

Division

n÷y
n÷2 10628361
n÷3 7085574
n÷3 5314180.5
n÷5 4251344.4

Exponentiation

ny
n2 451848230185284
n3 9.6048122152406E+21
n4 2.0416682312157E+29
n5 4.3399174007185E+36

Nth Root

y√n
2√n 4610.5012742651
3√n 277.01211570599
4√n 67.900672119391
5√n 29.207827737321

Divisors of 21256722

1, 2, 27, 37, 54, 74, 999, 1998, 10639, 21278, 287253, 393643, 574506, 787286, 10628361, 21256722

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 -21256721
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 21256722 can be divided by 16 positive divisors. The sum of these divisors (counting 21256722) is 1, the average is 0.0625.

Base conversion 21256722

Base System Value
2 Binary 1010001000101101000010010
3 Ternary 1110222221202000
4 Quaternary 1101011220102
5 Quinary 20420203342
6 Senary 2035334430
8 Octal 121055022
10 Decimal 21256722
12 Duodecimal 7151416
16 Hexadecimal 1445a12
20 Vigesimal 6ch1g2
36 Base36 cnlsi

Cryptographic Hash Functions

md5 2b6b78f3e86c94ba4c92fb53f32e9de2
sha1 13b5b4cdb4e0c416f1d773459aa613b3c6f23ef4
sha256 b8d573231b30732a5c986498543c0cf0d76b7e12465d4b0b5019a8dec1a3af86
sha512 e7a52e2cc0485aea2418f035028211d27665962ac35753353617c4f44c3062595eb8c267f692ad71a4664ddf5d4860045ce5b5577447e629db512f79b9f820d4
ripemd-160 68166b0f253e7266d43995282877de3881fec593

21256722 as geometric shapes

Circle

Radius = n
Diameter 42513444
Circumference 133559923.3492
Area 1.4195230804876E+15

Sphere

Radius = n
Volume 4.0232543326012E+22
Surface area 5.6780923219506E+15
Circumference 133559923.3492

Square

Length = n
Perimeter 85026888
Area 451848230185284
Diagonal 30061544.543995

Cube

Length = n
Surface area 2711089381111704
Volume 9.6048122152406E+21
Space diagonal 36817722.506367

Equilateral Triangle

Length = n
Perimeter 63770166
Area 1.9565602299775E+14
Altitude 18408861.253184

Triangular Pyramid

Length = n
Surface area 1.9565602299775E+14
Volume 1.1319379749033E+21
Height 10020514.847998