21000605 (number)

21000605 is an odd 8-digits composite number following 21000604 and preceding 21000606. In scientific notation, it is written as 2.1000605 × 10^7. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 15916176 positive integers (up to 21000605) that are relatively prime to 21000605.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred five

Notation

Scientific notation 2.1000605 × 10^7
Engineering notation 2.1000605 × 10^6

Prime Factorization of 21000605

Prime Factorization 5 × 19 × 221059

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000605
Product of the distinct prime numbers

The prime factorization of 21000605 is 5 × 19 × 221059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000605)

Multiplication

n×y
n×2 42001210
n×3 63001815
n×4 84002420
n×5 105003025

Division

n÷y
n÷2 10500302.5
n÷3 7000201.6666667
n÷3 5250151.25
n÷5 4200121

Exponentiation

ny
n2 441025410366025
n3 9.2618004380598E+21
n4 1.9450341258852E+29
n5 4.0846893389236E+36

Nth Root

y√n
2√n 4582.6417053922
3√n 275.89506705573
4√n 67.695211835049
5√n 29.137102468069

Divisors of 21000605

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 -21000604
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 21000605 can be divided by 8 positive divisors. The sum of these divisors (counting 21000605) is 1, the average is 0.125.

Base conversion 21000605

Base System Value
2 Binary 1010000000111000110011101
3 Ternary 1110111221102012
4 Quaternary 1100013012131
5 Quinary 20334004410
6 Senary 2030041005
8 Octal 120070635
10 Decimal 21000605
12 Duodecimal 7049165
16 Hexadecimal 140719d
20 Vigesimal 6b51a5
36 Base36 ci465

Cryptographic Hash Functions

md5 a6ba180ca783552e3ede7d2860f6ad3d
sha1 f39ee636fdd524e8d22f03c9d7cc06a392c5f9af
sha256 2d48423e9e4aa588de8e6854fa40c809470bacbef302d45af369358e228e86cf
sha512 e0ba363bdd6970444a923a40ec888d434397a860689778503fe1139b5a40f7fba71deaa444c2a8c9b30acd7c70ed4e89e018d16ccb6476f680cf77788c21eafc
ripemd-160 2b6eea075d083f89e9600995cce20ecf970e5f11

21000605 as geometric shapes

Circle

Radius = n
Diameter 42001210
Circumference 131950692.77788
Area 1.3855221892523E+15

Sphere

Radius = n
Volume 3.8795738953631E+22
Surface area 5.5420887570093E+15
Circumference 131950692.77788

Square

Length = n
Perimeter 84002420
Area 441025410366025
Diagonal 29699340.40904

Cube

Length = n
Surface area 2646152462196150
Volume 9.2618004380598E+21
Space diagonal 36374114.849685

Equilateral Triangle

Length = n
Perimeter 63001815
Area 1.9096960454572E+14
Altitude 18187057.424842

Triangular Pyramid

Length = n
Surface area 1.9096960454572E+14
Volume 1.0915136492914E+21
Height 9899780.1363467