820161205 (number)

820161205 is an odd 9-digits composite number following 820161204 and preceding 820161206. In scientific notation, it is written as 8.20161205 × 10^8. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 644848128 positive integers (up to 820161205) that are relatively prime to 820161205.

Interesting facts

Basic properties

Name

Name eight hundred twenty million one hundred sixty-one thousand two hundred five

Notation

Scientific notation 8.20161205 × 10^8
Engineering notation 8.20161205 × 10^6

Prime Factorization of 820161205

Prime Factorization 5 × 73 × 293 × 7669

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 820161205
Product of the distinct prime numbers

The prime factorization of 820161205 is 5 × 73 × 293 × 7669. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 10, 29, 470, 121, 4849, 2618, 717, 77369, 325734, 265311, 8059766, 5299137, 99891540, 68111978, 246019051, 402893722, 6620169904, 8314328661

Basic calculations (n = 820161205)

Multiplication

n×y
n×2 1640322410
n×3 2460483615
n×4 3280644820
n×5 4100806025

Division

n÷y
n÷2 410080602.5
n÷3 273387068.33333
n÷3 205040301.25
n÷5 164032241

Exponentiation

ny
n2 672664402187052025
n3 5.5169324665834E+26
n4 4.5247739796966E+35
n5 3.7110440795406E+44

Nth Root

y√n
2√n 28638.456749623
3√n 936.0514941871
4√n 169.229006821
5√n 60.642883666641

Divisors of 820161205

1, 5, 73, 293, 365, 1465, 7669, 21389, 38345, 106945, 559837, 2247017, 2799185, 11235085, 164032241, 820161205

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 -820161204
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 820161205 can be divided by 16 positive divisors. The sum of these divisors (counting 820161205) is 1, the average is 0.0625.

Base conversion 820161205

Base System Value
2 Binary 110000111000101010101010110101
3 Ternary 2010011021111122221
4 Quaternary 300320222222311
5 Quinary 3134430124310
6 Senary 213214522341
8 Octal 6070525265
10 Decimal 820161205
12 Duodecimal 1aa8063b1
16 Hexadecimal 30e2aab5
20 Vigesimal cg60305
36 Base36 dkawfp

Cryptographic Hash Functions

md5 f3555986742bc6102187df2a63db4ceb
sha1 e298fa665cbd189a130911c210872eb9af08c7bd
sha256 80ba4f20b64cedf5d89cb3872896693d31f6aeed407063b201dbfa87e2d66305
sha512 8cc9ab0488d3249e4aede2400c9bc9777764237f6aa1aff688095294599a0ce3c52e7845261f18d53ff70e7c7740839fc4e4be7488ae586d17a8c7ceb59b3d72
ripemd-160 e2110995ccc289655beaa3a7d34b2b6c4675c35e

820161205 as geometric shapes

Circle

Radius = n
Diameter 1640322410
Circumference 5153224832.7747
Area 2.1132375442422E+18

Sphere

Radius = n
Volume 2.3109272676492E+27
Surface area 8.4529501769689E+18
Circumference 5153224832.7747

Square

Length = n
Perimeter 3280644820
Area 672664402187052025
Diagonal 1159883099.4433

Cube

Length = n
Surface area 4035986413122312150
Volume 5.5169324665834E+26
Space diagonal 1420560877.4569

Equilateral Triangle

Length = n
Perimeter 2460483615
Area 2.9127223025773E+17
Altitude 710280438.72846

Triangular Pyramid

Length = n
Surface area 2.9127223025773E+17
Volume 6.5017672641155E+25
Height 386627699.81442