21000784 (number)

21000784 is an even 8-digits composite number following 21000783 and preceding 21000785. In scientific notation, it is written as 2.1000784 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 20 positive divisors. There are 9000288 positive integers (up to 21000784) that are relatively prime to 21000784.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-four

Notation

Scientific notation 2.1000784 × 10^7
Engineering notation 2.1000784 × 10^6

Prime Factorization of 21000784

Prime Factorization 2 × 2 × 2 × 2 × 7 × 187507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2625098
Product of the distinct prime numbers

The prime factorization of 21000784 is 2 × 2 × 2 × 2 × 7 × 187507. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 4, 45, 2, 302, 906, 9224, 5518, 60556, 80171, 780047, 968468, 2073933, 2723694, 44770012, 44658956, 378027492, 500814268, 9412403143, 5341770958

Basic calculations (n = 21000784)

Multiplication

n×y
n×2 42001568
n×3 63002352
n×4 84003136
n×5 105003920

Division

n÷y
n÷2 10500392
n÷3 7000261.3333333
n÷3 5250196
n÷5 4200156.8

Exponentiation

ny
n2 441032928614656
n3 9.2620372707238E+21
n4 1.9451004412242E+29
n5 4.0848634224454E+36

Nth Root

y√n
2√n 4582.6612355704
3√n 275.89585092325
4√n 67.695356085705
5√n 29.137152138291

Divisors of 21000784

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187507, 375014, 750028, 1312549, 1500056, 2625098, 3000112, 5250196, 10500392, 21000784

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000783
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000784 can be divided by 20 positive divisors. The sum of these divisors (counting 21000784) is 1, the average is 0.05.

Base conversion 21000784

Base System Value
2 Binary 1010000000111001001010000
3 Ternary 1110111221122211
4 Quaternary 1100013021100
5 Quinary 20334011114
6 Senary 2030041504
8 Octal 120071120
10 Decimal 21000784
12 Duodecimal 7049294
16 Hexadecimal 1407250
20 Vigesimal 6b51j4
36 Base36 ci4b4

Cryptographic Hash Functions

md5 75d92471fa08caa486d038950b634670
sha1 6c1e50f34fb9850f820629746c9a19bf7d28199b
sha256 a938a7c4a664ea03019dbd2479066b5bedb47c1f3770fd8d2d5bc86a085b360f
sha512 e679c7e14a2065d43c6e4a1a37b74adb4f3f44df591d802b36d53f286a07d435611b4e136b8e59c7ad1dbb5c6c72b3c2426c2bcb3813dc877180e8e3bcfc6798
ripemd-160 9df658dc78399455c517317835c82cd498d65819

21000784 as geometric shapes

Circle

Radius = n
Diameter 42001568
Circumference 131951817.46805
Area 1.385545808527E+15

Sphere

Radius = n
Volume 3.8796730995974E+22
Surface area 5.542183234108E+15
Circumference 131951817.46805

Square

Length = n
Perimeter 84003136
Area 441032928614656
Diagonal 29699593.553268

Cube

Length = n
Surface area 2646197571687936
Volume 9.2620372707238E+21
Space diagonal 36374424.88678

Equilateral Triangle

Length = n
Perimeter 63002352
Area 1.9097286004287E+14
Altitude 18187212.44339

Triangular Pyramid

Length = n
Surface area 1.9097286004287E+14
Volume 1.0915415602886E+21
Height 9899864.517756