809905621 (number)

809905621 is an odd 9-digits composite number following 809905620 and preceding 809905622. In scientific notation, it is written as 8.09905621 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 694204812 positive integers (up to 809905621) that are relatively prime to 809905621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.09905621 × 10^8
Engineering notation 8.09905621 × 10^6

Prime Factorization of 809905621

Prime Factorization 7 × 115700803

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 809905621
Product of the distinct prime numbers

The prime factorization of 809905621 is 7 × 115700803. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 73, 51, 725, 45, 7453, 6840, 10317, 47708, 955680, 198707, 4674871, 4187870, 81155718, 59979186, 106363118, 562183248, 1801656031, 1683415019

Basic calculations (n = 809905621)

Multiplication

n×y
n×2 1619811242
n×3 2429716863
n×4 3239622484
n×5 4049528105

Division

n÷y
n÷2 404952810.5
n÷3 269968540.33333
n÷3 202476405.25
n÷5 161981124.2

Exponentiation

ny
n2 655947114927395641
n3 5.3125525545843E+26
n4 4.3026661758157E+35
n5 3.4847535210797E+44

Nth Root

y√n
2√n 28458.840823196
3√n 932.13354575069
4√n 168.69748315608
5√n 60.490459374467

Divisors of 809905621

1, 7, 115700803, 809905621

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 -809905620
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 809905621 can be divided by 4 positive divisors. The sum of these divisors (counting 809905621) is 1, the average is 0.25.

Base conversion 809905621

Base System Value
2 Binary 110000010001100010110111010101
3 Ternary 2002102222110122111
4 Quaternary 300101202313111
5 Quinary 3124313434441
6 Senary 212211031021
8 Octal 6021426725
10 Decimal 809905621
12 Duodecimal 1a729b471
16 Hexadecimal 30462dd5
20 Vigesimal cd1i411
36 Base36 de736d

Cryptographic Hash Functions

md5 458a3283b3abd1db1a56c6fe13cd480a
sha1 477c6dff34a58c26916b9417159ea90ca8d3c449
sha256 550dc5497c6ae8a6132aeb5d2411ac93661240b12c501f80fee4ec7f09b8db20
sha512 2309025da539f34dfd7fa9a02e11f443945477750e38f8ccf4fb1db7195c4576c844afbe44825cf0f61b1c108bf1755a6bebf95a7a2573ab160a7542ae8b3858
ripemd-160 052cb76024bae027f252067f6cefb546eaa796aa

809905621 as geometric shapes

Circle

Radius = n
Diameter 1619811242
Circumference 5088787098.0694
Area 2.0607186373993E+18

Sphere

Radius = n
Volume 2.2253168103056E+27
Surface area 8.2428745495973E+18
Circumference 5088787098.0694

Square

Length = n
Perimeter 3239622484
Area 655947114927395641
Diagonal 1145379513.4604

Cube

Length = n
Surface area 3935682689564373846
Volume 5.3125525545843E+26
Space diagonal 1402797684.9076

Equilateral Triangle

Length = n
Perimeter 2429716863
Area 2.8403343253312E+17
Altitude 701398842.45381

Triangular Pyramid

Length = n
Surface area 2.8403343253312E+17
Volume 6.2609032279275E+25
Height 381793171.15347