21000743 (number)

21000743 is an odd 8-digits composite number following 21000742 and preceding 21000744. In scientific notation, it is written as 2.1000743 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 20664000 positive integers (up to 21000743) that are relatively prime to 21000743.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred forty-three

Notation

Scientific notation 2.1000743 × 10^7
Engineering notation 2.1000743 × 10^6

Prime Factorization of 21000743

Prime Factorization 83 × 421 × 601

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000743
Product of the distinct prime numbers

The prime factorization of 21000743 is 83 × 421 × 601. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000743)

Multiplication

n×y
n×2 42001486
n×3 63002229
n×4 84002972
n×5 105003715

Division

n÷y
n÷2 10500371.5
n÷3 7000247.6666667
n÷3 5250185.75
n÷5 4200148.6

Exponentiation

ny
n2 441031206552049
n3 9.2619830237795E+21
n4 1.9450852515276E+29
n5 4.0848235480421E+36

Nth Root

y√n
2√n 4582.656762185
3√n 275.89567137857
4√n 67.695323045134
5√n 29.137140761343

Divisors of 21000743

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 -21000742
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 21000743 can be divided by 8 positive divisors. The sum of these divisors (counting 21000743) is 1, the average is 0.125.

Base conversion 21000743

Base System Value
2 Binary 1010000000111001000100111
3 Ternary 1110111221121022
4 Quaternary 1100013020213
5 Quinary 20334010433
6 Senary 2030041355
8 Octal 120071047
10 Decimal 21000743
12 Duodecimal 704925b
16 Hexadecimal 1407227
20 Vigesimal 6b51h3
36 Base36 ci49z

Cryptographic Hash Functions

md5 98bc170aba7a6089a611cc7b1fda6966
sha1 d66a4fb4edc88a4e99d7558d0e2632902fb3e357
sha256 252cb738388aa81d5b4457ac4c3858dbe1ec8d3e0a752fa8c069a7636a93a65e
sha512 8eeb24b04f34fdc5125746c76004fe176bbedc736d2747f6f91442ffdbab85f5b02ee7d1d0cac4d0741dbbf02ce684631eada09927645f7da619f68b9b23ace0
ripemd-160 749245977978164187185df3b7669443e46a5861

21000743 as geometric shapes

Circle

Radius = n
Diameter 42001486
Circumference 131951559.85745
Area 1.3855403985078E+15

Sphere

Radius = n
Volume 3.8796503766905E+22
Surface area 5.542161594031E+15
Circumference 131951559.85745

Square

Length = n
Perimeter 84002972
Area 441031206552049
Diagonal 29699535.570512

Cube

Length = n
Surface area 2646187239312294
Volume 9.2619830237795E+21
Space diagonal 36374353.872696

Equilateral Triangle

Length = n
Perimeter 63002229
Area 1.9097211436789E+14
Altitude 18187176.936348

Triangular Pyramid

Length = n
Surface area 1.9097211436789E+14
Volume 1.0915351672249E+21
Height 9899845.1901706