21090943 (number)

21090943 is an odd 8-digits composite number following 21090942 and preceding 21090944. In scientific notation, it is written as 2.1090943 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20410560 positive integers (up to 21090943) that are relatively prime to 21090943.

Interesting facts

Basic properties

Name

Name twenty-one million ninety thousand nine hundred forty-three

Notation

Scientific notation 2.1090943 × 10^7
Engineering notation 2.1090943 × 10^6

Prime Factorization of 21090943

Prime Factorization 31 × 680353

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21090943
Product of the distinct prime numbers

The prime factorization of 21090943 is 31 × 680353. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21090943)

Multiplication

n×y
n×2 42181886
n×3 63272829
n×4 84363772
n×5 105454715

Division

n÷y
n÷2 10545471.5
n÷3 7030314.3333333
n÷3 5272735.75
n÷5 4218188.6

Exponentiation

ny
n2 444827876629249
n3 9.3818393907985E+21
n4 1.9787183982649E+29
n5 4.1733036950856E+36

Nth Root

y√n
2√n 4592.4876700978
3√n 276.29010576377
4√n 67.767895570821
5√n 29.162127176454

Divisors of 21090943

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21090942
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21090943 can be divided by 4 positive divisors. The sum of these divisors (counting 21090943) is 1, the average is 0.25.

Base conversion 21090943

Base System Value
2 Binary 1010000011101001001111111
3 Ternary 1110200112100001
4 Quaternary 1100131021333
5 Quinary 20344402233
6 Senary 2032015131
8 Octal 120351177
10 Decimal 21090943
12 Duodecimal 70914a7
16 Hexadecimal 141d27f
20 Vigesimal 6bg773
36 Base36 ck1vj

Cryptographic Hash Functions

md5 7f13d7c81a11177127283a0dc52924fa
sha1 2d57d8a3633e0e1c1dd3c8b959ee1343ddd96482
sha256 d9bfddaebb9b8e9d7dd64415807011cc861c21d4bc60b5971c5ccc32970d40ef
sha512 642319fde2f2451b43b2f72b5ade6314d3456791494de294b24f1d1b113298ba6acd56042828b6452ebe1411e1e6e4bbebcd7a774cc2ab2a955fbe6f4401a1a8
ripemd-160 f1a475be8dac68c61d10f449ebe2f8081dea78a6

21090943 as geometric shapes

Circle

Radius = n
Diameter 42181886
Circumference 132518303.17216
Area 1.3974679893304E+15

Sphere

Radius = n
Volume 3.9298556943056E+22
Surface area 5.5898719573216E+15
Circumference 132518303.17216

Square

Length = n
Perimeter 84363772
Area 444827876629249
Diagonal 29827097.633838

Cube

Length = n
Surface area 2668967259775494
Volume 9.3818393907985E+21
Space diagonal 36530584.855539

Equilateral Triangle

Length = n
Perimeter 63272829
Area 1.9261612073621E+14
Altitude 18265292.42777

Triangular Pyramid

Length = n
Surface area 1.9261612073621E+14
Volume 1.1056603755395E+21
Height 9942365.877946