821021330 (number)

821021330 is an even 9-digits composite number following 821021329 and preceding 821021331. In scientific notation, it is written as 8.21021330 × 10^8. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 326934960 positive integers (up to 821021330) that are relatively prime to 821021330.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million twenty-one thousand three hundred thirty

Notation

Scientific notation 8.21021330 × 10^8
Engineering notation 8.21021330 × 10^6

Prime Factorization of 821021330

Prime Factorization 2 × 5 × 223 × 368171

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 821021330
Product of the distinct prime numbers

The prime factorization of 821021330 is 2 × 5 × 223 × 368171. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 821021330)

Multiplication

n×y
n×2 1642042660
n×3 2463063990
n×4 3284085320
n×5 4105106650

Division

n÷y
n÷2 410510665
n÷3 273673776.66667
n÷3 205255332.5
n÷5 164204266

Exponentiation

ny
n2 674076024314968900
n3 5.5343079400419E+26
n4 4.5437848655627E+35
n5 3.7305442935582E+44

Nth Root

y√n
2√n 28653.469772438
3√n 936.37860061433
4√n 169.2733581295
5√n 60.655597897192

Divisors of 821021330

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 -821021329
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 821021330 can be divided by 16 positive divisors. The sum of these divisors (counting 821021330) is 1, the average is 0.0625.

Base conversion 821021330

Base System Value
2 Binary 110000111011111100101010010010
3 Ternary 2010012220012112102
4 Quaternary 300323330222102
5 Quinary 3140140140310
6 Senary 213245200402
8 Octal 6073745222
10 Decimal 821021330
12 Duodecimal 1aab60102
16 Hexadecimal 30efca92
20 Vigesimal cgb7d6a
36 Base36 dktc42

Cryptographic Hash Functions

md5 ca795a65c3da9bcc3be8a5fa6acc2f38
sha1 f72383277de12389c02725ed4ab1f39924782b0e
sha256 288e6e571acb5c498fde0547f8f7a6f7184874f803424941dfa4bc5029c494a3
sha512 0e756d5fbe5d326cc9e43083a9571eac2b1fc22d6fe9bc6f62b5802781a185784e6691677966fd56a5ee04f05cd70b8344da87f369d605381e70814390bc8df0
ripemd-160 0a3fe4f0a474c2d773584f08c169c07f51f157b8

821021330 as geometric shapes

Circle

Radius = n
Diameter 1642042660
Circumference 5158629157.537
Area 2.1176722859489E+18

Sphere

Radius = n
Volume 2.3182054889519E+27
Surface area 8.4706891437957E+18
Circumference 5158629157.537

Square

Length = n
Perimeter 3284085320
Area 674076024314968900
Diagonal 1161099499.8836

Cube

Length = n
Surface area 4044456145889813400
Volume 5.5343079400419E+26
Space diagonal 1422050657.6578

Equilateral Triangle

Length = n
Perimeter 2463063990
Area 2.9188348056939E+17
Altitude 711025328.82889

Triangular Pyramid

Length = n
Surface area 2.9188348056939E+17
Volume 6.5222444559636E+25
Height 387033166.62787