821000728 (number)

821000728 is an even 9-digits composite number following 821000727 and preceding 821000729. In scientific notation, it is written as 8.21000728 × 10^8. The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors. There are 391572480 positive integers (up to 821000728) that are relatively prime to 821000728.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million seven hundred twenty-eight

Notation

Scientific notation 8.21000728 × 10^8
Engineering notation 8.21000728 × 10^6

Prime Factorization of 821000728

Prime Factorization 2 × 2 × 2 × 16799 × 149 × 41

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 205250182
Product of the distinct prime numbers

The prime factorization of 821000728 is 2 × 2 × 2 × 16799 × 149 × 41. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 821000728)

Multiplication

n×y
n×2 1642001456
n×3 2463002184
n×4 3284002912
n×5 4105003640

Division

n÷y
n÷2 410500364
n÷3 273666909.33333
n÷3 205250182
n÷5 164200145.6

Exponentiation

ny
n2 674042195376529984
n3 5.5338913310685E+26
n4 4.5433288114801E+35
n5 3.7300762617686E+44

Nth Root

y√n
2√n 28653.110267474
3√n 936.37076832358
4√n 169.27229621965
5√n 60.655293486301

Divisors of 821000728

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -821000727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821000728 can be divided by 32 positive divisors. The sum of these divisors (counting 821000728) is 1, the average is 0.03125.

Base conversion 821000728

Base System Value
2 Binary 110000111011110111101000011000
3 Ternary 2010012212011021101
4 Quaternary 300323313220120
5 Quinary 3140134010403
6 Senary 213244521144
8 Octal 6073675030
10 Decimal 821000728
12 Duodecimal 1aab501b4
16 Hexadecimal 30ef7a18
20 Vigesimal cgb51g8
36 Base36 dksw7s

Cryptographic Hash Functions

md5 e59d946c7b2677702027f2a02b78d799
sha1 1846b5438ef8987d22726725e5926131492bfb44
sha256 2db7c68b2c90f4ae575645179a01fbb61b163c2e585abcfa8023924e82f89c86
sha512 2745fab9c9cdfcc58d975c12b2ea9266589318d1672510f99862a970498e45bd9265ca90904befe7e5c1b086ac5d27d4e111b63c45ba8f92b9ea73f46e8e78a5
ripemd-160 dc1d7e947e82ace1c93e97709c0b61ce577bd035

821000728 as geometric shapes

Circle

Radius = n
Diameter 1642001456
Circumference 5158499711.3533
Area 2.1175660092044E+18

Sphere

Radius = n
Volume 2.3180309801932E+27
Surface area 8.4702640368178E+18
Circumference 5158499711.3533

Square

Length = n
Perimeter 3284002912
Area 674042195376529984
Diagonal 1161070364.2558

Cube

Length = n
Surface area 4044253172259179904
Volume 5.5338913310685E+26
Space diagonal 1422014973.947

Equilateral Triangle

Length = n
Perimeter 2463002184
Area 2.9186883220935E+17
Altitude 711007486.97352

Triangular Pyramid

Length = n
Surface area 2.9186883220935E+17
Volume 6.52175347758E+25
Height 387023454.75193