21091394 (number)

21091394 is an even 8-digits composite number following 21091393 and preceding 21091395. In scientific notation, it is written as 2.1091394 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10537776 positive integers (up to 21091394) that are relatively prime to 21091394.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand three hundred ninety-four

Notation

Scientific notation 2.1091394 × 10^7
Engineering notation 2.1091394 × 10^6

Prime Factorization of 21091394

Prime Factorization 2 × 6229 × 1693

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21091394
Product of the distinct prime numbers

The prime factorization of 21091394 is 2 × 6229 × 1693. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091394)

Multiplication

n×y
n×2 42182788
n×3 63274182
n×4 84365576
n×5 105456970

Division

n÷y
n÷2 10545697
n÷3 7030464.6666667
n÷3 5272848.5
n÷5 4218278.8

Exponentiation

ny
n2 444846900863236
n3 9.3824412557855E+21
n4 1.9788876520763E+29
n5 4.1737499151675E+36

Nth Root

y√n
2√n 4592.5367717635
3√n 276.29207510751
4√n 67.768257848077
5√n 29.16225189356

Divisors of 21091394

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091393
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091394 can be divided by 8 positive divisors. The sum of these divisors (counting 21091394) is 1, the average is 0.125.

Base conversion 21091394

Base System Value
2 Binary 1010000011101010001000010
3 Ternary 1110200112221202
4 Quaternary 1100131101002
5 Quinary 20344411034
6 Senary 2032021202
8 Octal 120352102
10 Decimal 21091394
12 Duodecimal 7091802
16 Hexadecimal 141d442
20 Vigesimal 6bg89e
36 Base36 ck282

Cryptographic Hash Functions

md5 4df6db9021504d67a99669b0473ac7be
sha1 e81c32d2dd9fac5e8de1cadd82893c50d89d0948
sha256 8294618712c5453455346fff62bbbe5f913c3fa8363e1df0ea5642de202e72ae
sha512 c983451b2b4dfc9001803d3b43ee8384b204d05bf2296aa504dd73cd64e854b4ed2e77fcb6773b8770655233b5610270fb978a00bd4da7ca66063df60c4436ef
ripemd-160 2c3682e019694a7f87efac1e079f4c818175a595

21091394 as geometric shapes

Circle

Radius = n
Diameter 42182788
Circumference 132521136.88874
Area 1.3975277557241E+15

Sphere

Radius = n
Volume 3.9301078029218E+22
Surface area 5.5901110228965E+15
Circumference 132521136.88874

Square

Length = n
Perimeter 84365576
Area 444846900863236
Diagonal 29827735.444155

Cube

Length = n
Surface area 2669081405179416
Volume 9.3824412557855E+21
Space diagonal 36531366.010453

Equilateral Triangle

Length = n
Perimeter 63274182
Area 1.9262435847117E+14
Altitude 18265683.005227

Triangular Pyramid

Length = n
Surface area 1.9262435847117E+14
Volume 1.1057313060084E+21
Height 9942578.4813848