821428664 (number)

821428664 is an even 9-digits composite number following 821428663 and preceding 821428665. In scientific notation, it is written as 8.21428664 × 10^8. The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors. There are 352040832 positive integers (up to 821428664) that are relatively prime to 821428664.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million four hundred twenty-eight thousand six hundred sixty-four

Notation

Scientific notation 8.21428664 × 10^8
Engineering notation 8.21428664 × 10^6

Prime Factorization of 821428664

Prime Factorization 2 × 2 × 2 × 7 × 14668369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 205357166
Product of the distinct prime numbers

The prime factorization of 821428664 is 2 × 2 × 2 × 7 × 14668369. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 61, 93, 187, 602, 2271, 6189, 47196, 60357, 328796, 172368, 8181181, 3387694, 38910910, 93113869, 13171764, 943160947, 2306976448, 6586019375

Basic calculations (n = 821428664)

Multiplication

n×y
n×2 1642857328
n×3 2464285992
n×4 3285714656
n×5 4107143320

Division

n÷y
n÷2 410714332
n÷3 273809554.66667
n÷3 205357166
n÷5 164285732.8

Exponentiation

ny
n2 674745050040824896
n3 5.5425492499565E+26
n4 4.552808825546E+35
n5 3.7398076710156E+44

Nth Root

y√n
2√n 28660.576826017
3√n 936.53343044496
4√n 169.29434965768
5√n 60.661615325653

Divisors of 821428664

1, 2, 4, 7, 8, 14, 28, 56, 14668369, 29336738, 58673476, 102678583, 117346952, 205357166, 410714332, 821428664

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 -821428663
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 821428664 can be divided by 16 positive divisors. The sum of these divisors (counting 821428664) is 1, the average is 0.0625.

Base conversion 821428664

Base System Value
2 Binary 110000111101100000000110111000
3 Ternary 2010020122220021212
4 Quaternary 300331200012320
5 Quinary 3140241204124
6 Senary 213302022252
8 Octal 6075400670
10 Decimal 821428664
12 Duodecimal 1ab117988
16 Hexadecimal 30f601b8
20 Vigesimal cgdibd4
36 Base36 dl22ew

Cryptographic Hash Functions

md5 cf6dc6749e83a312262a147426c4b3b1
sha1 49e6f28f9860e94960a3df8297caa3cf6a857b6a
sha256 01313a46f0512faa73ed44cbe6b3c292aab1b7dfd34f306a222e2b8c0728d67e
sha512 a7125ef158d6f879a8501ca44bece64f6af40feaff532d0961e03943b4be8149f83c0f6fe1cec509a24b19f2ad0f8981822379e530d835eabab7cf97933f8f38
ripemd-160 574c494993db7a7c7e3365f48782fdb6c2f659ce

821428664 as geometric shapes

Circle

Radius = n
Diameter 1642857328
Circumference 5161188512.541
Area 2.1197740922543E+18

Sphere

Radius = n
Volume 2.3216576007764E+27
Surface area 8.4790963690173E+18
Circumference 5161188512.541

Square

Length = n
Perimeter 3285714656
Area 674745050040824896
Diagonal 1161675557.1508

Cube

Length = n
Surface area 4048470300244949376
Volume 5.5425492499565E+26
Space diagonal 1422756180.8414

Equilateral Triangle

Length = n
Perimeter 2464285992
Area 2.9217317720658E+17
Altitude 711378090.42071

Triangular Pyramid

Length = n
Surface area 2.9217317720658E+17
Volume 6.5319569328411E+25
Height 387225185.71694