821330245 (number)

821330245 is an odd 9-digits composite number following 821330244 and preceding 821330246. In scientific notation, it is written as 8.21330245 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 641038080 positive integers (up to 821330245) that are relatively prime to 821330245.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million three hundred thirty thousand two hundred forty-five

Notation

Scientific notation 8.21330245 × 10^8
Engineering notation 8.21330245 × 10^6

Prime Factorization of 821330245

Prime Factorization 205 × 4006489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 821330245
Product of the distinct prime numbers

The prime factorization of 821330245 is 205 × 4006489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 56, 58, 649, 255, 611, 3479, 4423, 17271, 186213, 364182, 6199689, 9903877, 47412812, 69255845, 210021551, 122809016, 6139057444, 4343125951

Basic calculations (n = 821330245)

Multiplication

n×y
n×2 1642660490
n×3 2463990735
n×4 3285320980
n×5 4106651225

Division

n÷y
n÷2 410665122.5
n÷3 273776748.33333
n÷3 205332561.25
n÷5 164266049

Exponentiation

ny
n2 674583371351760025
n3 5.5405572566527E+26
n4 4.5506272490431E+35
n5 3.7375677933602E+44

Nth Root

y√n
2√n 28658.859799371
3√n 936.49602554738
4√n 169.28927845369
5√n 60.660161628715

Divisors of 821330245

1, 205, 4006489, 821330245

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -821330244
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821330245 can be divided by 4 positive divisors. The sum of these divisors (counting 821330245) is 1, the average is 0.25.

Base conversion 821330245

Base System Value
2 Binary 110000111101001000000101000101
3 Ternary 2010020110220021201
4 Quaternary 300331020011011
5 Quinary 3140230031440
6 Senary 213255542501
8 Octal 6075100505
10 Decimal 821330245
12 Duodecimal 1ab08aa31
16 Hexadecimal 30f48145
20 Vigesimal cgd65c5
36 Base36 dkzyh1

Cryptographic Hash Functions

md5 22e713d29581c5ac1dabdf9f992f4377
sha1 1a01d8717f35223a2e07954a5dd0ef4d62b2db85
sha256 0a8a41721c60507156895f89a5234fabbae5ec88519bbdf760e0f41a8d7ab878
sha512 f4afc5bcb2530388d49767db6e170e5556127074d868b622b1ca614c9d24dbd070e4bfc60e08dc87b701c088dccd440740cf468cf5ab25b1d8743100b8da8be7
ripemd-160 21a61a3d7aa078299241feb8e369827bbfcc3f2a

821330245 as geometric shapes

Circle

Radius = n
Diameter 1642660490
Circumference 5160570127.7262
Area 2.1192661636725E+18

Sphere

Radius = n
Volume 2.3208231965725E+27
Surface area 8.4770646546901E+18
Circumference 5160570127.7262

Square

Length = n
Perimeter 3285320980
Area 674583371351760025
Diagonal 1161536371.6662

Cube

Length = n
Surface area 4047500228110560150
Volume 5.5405572566527E+26
Space diagonal 1422585714.133

Equilateral Triangle

Length = n
Perimeter 2463990735
Area 2.9210316828059E+17
Altitude 711292857.0665

Triangular Pyramid

Length = n
Surface area 2.9210316828059E+17
Volume 6.5296093462191E+25
Height 387178790.55541