21000782 (number)

21000782 is an even 8-digits composite number following 21000781 and preceding 21000783. In scientific notation, it is written as 2.1000782 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 9515640 positive integers (up to 21000782) that are relatively prime to 21000782.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-two

Notation

Scientific notation 2.1000782 × 10^7
Engineering notation 2.1000782 × 10^6

Prime Factorization of 21000782

Prime Factorization 2 × 11 × 359 × 2659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000782
Product of the distinct prime numbers

The prime factorization of 21000782 is 2 × 11 × 359 × 2659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 67, 48, 771, 697, 3490, 1415, 63691, 10257, 467602, 938082, 6357795, 437251, 72225607, 61558646, 149942305, 525365723, 348925549, 945582727

Basic calculations (n = 21000782)

Multiplication

n×y
n×2 42001564
n×3 63002346
n×4 84003128
n×5 105003910

Division

n÷y
n÷2 10500391
n÷3 7000260.6666667
n÷3 5250195.5
n÷5 4200156.4

Exponentiation

ny
n2 441032844611524
n3 9.2620346245265E+21
n4 1.9450997002613E+29
n5 4.0848614773453E+36

Nth Root

y√n
2√n 4582.6610173566
3√n 275.89584216498
4√n 67.695354473971
5√n 29.137151583319

Divisors of 21000782

1, 2, 11, 22, 359, 718, 2659, 3949, 5318, 7898, 29249, 58498, 954581, 1909162, 10500391, 21000782

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000781
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000782 can be divided by 16 positive divisors. The sum of these divisors (counting 21000782) is 1, the average is 0.0625.

Base conversion 21000782

Base System Value
2 Binary 1010000000111001001001110
3 Ternary 1110111221122202
4 Quaternary 1100013021032
5 Quinary 20334011112
6 Senary 2030041502
8 Octal 120071116
10 Decimal 21000782
12 Duodecimal 7049292
16 Hexadecimal 140724e
20 Vigesimal 6b51j2
36 Base36 ci4b2

Cryptographic Hash Functions

md5 16114941558bb4e160ae6cfd40c9f283
sha1 3cc85f32f77fc4dc031eccd8a6c763700cedc6f8
sha256 6b4db771f838b671385fc9fda5145ec009901289ecfcd7a63c31dc9eb74ca76c
sha512 901c64f1c0f151a4b51f6816a945a2ed994fcd2fbec2a7ce344e3ae92b3cbb03d9faf93a431c436640ceedb87ca351e352a4293cb846998b710272a7436079e0
ripemd-160 6840d7832cd4b3072b99c054494b810cabd6505b

21000782 as geometric shapes

Circle

Radius = n
Diameter 42001564
Circumference 131951804.90168
Area 1.3855455446234E+15

Sphere

Radius = n
Volume 3.8796719911609E+22
Surface area 5.5421821784935E+15
Circumference 131951804.90168

Square

Length = n
Perimeter 84003128
Area 441032844611524
Diagonal 29699590.724841

Cube

Length = n
Surface area 2646197067669144
Volume 9.2620346245265E+21
Space diagonal 36374421.422678

Equilateral Triangle

Length = n
Perimeter 63002346
Area 1.9097282366845E+14
Altitude 18187210.711339

Triangular Pyramid

Length = n
Surface area 1.9097282366845E+14
Volume 1.0915412484312E+21
Height 9899863.5749469