813309721 (number)

813309721 is an odd 9-digits composite number following 813309720 and preceding 813309722. In scientific notation, it is written as 8.13309721 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 697122612 positive integers (up to 813309721) that are relatively prime to 813309721.

Interesting facts

Basic properties

Name

Name eight hundred thirteen million three hundred nine thousand seven hundred twenty-one

Notation

Scientific notation 8.13309721 × 10^8
Engineering notation 8.13309721 × 10^6

Prime Factorization of 813309721

Prime Factorization 7 × 116187103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 813309721
Product of the distinct prime numbers

The prime factorization of 813309721 is 7 × 116187103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 30, 83, 861, 489, 3967, 9050, 63055, 6220, 37053, 188435, 5792553, 9899241, 37073030, 92977249, 180492662, 232633347, 4734619673, 2265424441

Basic calculations (n = 813309721)

Multiplication

n×y
n×2 1626619442
n×3 2439929163
n×4 3253238884
n×5 4066548605

Division

n÷y
n÷2 406654860.5
n÷3 271103240.33333
n÷3 203327430.25
n÷5 162661944.2

Exponentiation

ny
n2 661472702273097841
n3 5.3798217893485E+26
n4 4.3754613585247E+35
n5 3.558605256748E+44

Nth Root

y√n
2√n 28518.585536453
3√n 933.43766502346
4√n 168.87446679843
5√n 60.541223376066

Divisors of 813309721

1, 7, 116187103, 813309721

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 -813309720
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 813309721 can be divided by 4 positive divisors. The sum of these divisors (counting 813309721) is 1, the average is 0.25.

Base conversion 813309721

Base System Value
2 Binary 110000011110100001111100011001
3 Ternary 2002200101102012021
4 Quaternary 300132201330121
5 Quinary 3131201402341
6 Senary 212412014441
8 Octal 6036417431
10 Decimal 813309721
12 Duodecimal 1a8461421
16 Hexadecimal 307a1f19
20 Vigesimal ce33e61
36 Base36 dg81sp

Cryptographic Hash Functions

md5 dc9bdf0e18d07e0eefbf42f2d795c66a
sha1 944f49d83aa2b3faf0e2d1681265fd600803d080
sha256 5ea4c9c5a2f09fbcf5086a6ed602184b723df2088ea2115bae6afa0be677cc8f
sha512 bc1d0329f2fa948721737b9914a018a2dd1f16b3154f6efa23a5830872cbf5db4370933cb9db1028bda93aa1ea5d19bae7a2b5b3554e67271dc78cadfc42cfd4
ripemd-160 59b5f798593471490c29462530b3bcb9e6692fc9

813309721 as geometric shapes

Circle

Radius = n
Diameter 1626619442
Circumference 5110175689.1735
Area 2.0780777820114E+18

Sphere

Radius = n
Volume 2.2534944814719E+27
Surface area 8.3123111280454E+18
Circumference 5110175689.1735

Square

Length = n
Perimeter 3253238884
Area 661472702273097841
Diagonal 1150193637.8481

Cube

Length = n
Surface area 3968836213638587046
Volume 5.3798217893485E+26
Space diagonal 1408693759.0617

Equilateral Triangle

Length = n
Perimeter 2439929163
Area 2.8642608203922E+17
Altitude 704346879.53083

Triangular Pyramid

Length = n
Surface area 2.8642608203922E+17
Volume 6.3401807813724E+25
Height 383397879.28269