820021609 (number)

820021609 is an odd 9-digits composite number following 820021608 and preceding 820021610. In scientific notation, it is written as 8.20021609 × 10^8. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 744463440 positive integers (up to 820021609) that are relatively prime to 820021609.

Interesting facts

Basic properties

Name

Name eight hundred twenty million twenty-one thousand six hundred nine

Notation

Scientific notation 8.20021609 × 10^8
Engineering notation 8.20021609 × 10^6

Prime Factorization of 820021609

Prime Factorization 11 × 743 × 100333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 820021609
Product of the distinct prime numbers

The prime factorization of 820021609 is 11 × 743 × 100333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 820021609)

Multiplication

n×y
n×2 1640043218
n×3 2460064827
n×4 3280086436
n×5 4100108045

Division

n÷y
n÷2 410010804.5
n÷3 273340536.33333
n÷3 205005402.25
n÷5 164004321.8

Exponentiation

ny
n2 672435439226948881
n3 5.514115908235E+26
n4 4.5216941992834E+35
n5 3.7078869527023E+44

Nth Root

y√n
2√n 28636.019433574
3√n 935.99838411645
4√n 169.22180543173
5√n 60.640819174845

Divisors of 820021609

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -820021608
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 820021609 can be divided by 8 positive divisors. The sum of these divisors (counting 820021609) is 1, the average is 0.125.

Base conversion 820021609

Base System Value
2 Binary 110000111000001000100101101001
3 Ternary 2010011000102011201
4 Quaternary 300320020211221
5 Quinary 3134411142414
6 Senary 213211524201
8 Octal 6070104551
10 Decimal 820021609
12 Duodecimal 1aa759661
16 Hexadecimal 30e08969
20 Vigesimal cg52e09
36 Base36 dk7wq1

Cryptographic Hash Functions

md5 5545248cb597e8c071bf680f22acaa4d
sha1 ba9f226eafb0762bf515d043b593beac6b753883
sha256 84d68a2a70c67f477dd69730e1c185f544c00f8b433292de479f396783927be0
sha512 d835d1cc566082e22fab7b5aada4cfa6d115f32664029745588795e823faa2a3878bbc45f4b72552b409a3bd51b892bc1e1dc12e3d2d793105144c060a98ff9f
ripemd-160 5e7115c650a22646db5fec2a76cdaa333b47f99f

820021609 as geometric shapes

Circle

Radius = n
Diameter 1640043218
Circumference 5152347725.2386
Area 2.1125182358888E+18

Sphere

Radius = n
Volume 2.3097474704472E+27
Surface area 8.4500729435552E+18
Circumference 5152347725.2386

Square

Length = n
Perimeter 3280086436
Area 672435439226948881
Diagonal 1159685680.8868

Cube

Length = n
Surface area 4034612635361693286
Volume 5.514115908235E+26
Space diagonal 1420319090.0924

Equilateral Triangle

Length = n
Perimeter 2460064827
Area 2.9117308638774E+17
Altitude 710159545.04619

Triangular Pyramid

Length = n
Surface area 2.9117308638774E+17
Volume 6.4984479182694E+25
Height 386561893.62894