820208081 (number)

820208081 is an odd 9-digits composite number following 820208080 and preceding 820208082. In scientific notation, it is written as 8.20208081 × 10^8. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 639123120 positive integers (up to 820208081) that are relatively prime to 820208081.

Interesting facts

Basic properties

Name

Name eight hundred twenty million two hundred eight thousand eighty-one

Notation

Scientific notation 8.20208081 × 10^8
Engineering notation 8.20208081 × 10^6

Prime Factorization of 820208081

Prime Factorization 77 × 10652053

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 820208081
Product of the distinct prime numbers

The prime factorization of 820208081 is 77 × 10652053. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 62, 88, 620, 305, 9511, 9592, 98489, 29690, 987383, 693010, 5004484, 7092992, 80682863, 83802376, 615784720, 951020061, 3771421573, 3186218630

Basic calculations (n = 820208081)

Multiplication

n×y
n×2 1640416162
n×3 2460624243
n×4 3280832324
n×5 4101040405

Division

n÷y
n÷2 410104040.5
n÷3 273402693.66667
n÷3 205052020.25
n÷5 164041616.2

Exponentiation

ny
n2 672741296137702561
n3 5.5178784751456E+26
n4 4.5258085152904E+35
n5 3.7121047172998E+44

Nth Root

y√n
2√n 28639.27514795
3√n 936.06932706908
4√n 169.23142482397
5√n 60.643576854959

Divisors of 820208081

1, 77, 10652053, 820208081

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 -820208080
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 820208081 can be divided by 4 positive divisors. The sum of these divisors (counting 820208081) is 1, the average is 0.25.

Base conversion 820208081

Base System Value
2 Binary 110000111000110110000111010001
3 Ternary 2010011100212222002
4 Quaternary 300320312013101
5 Quinary 3134433124311
6 Senary 213215523345
8 Octal 6070660721
10 Decimal 820208081
12 Duodecimal 1aa829555
16 Hexadecimal 30e361d1
20 Vigesimal cg66041
36 Base36 dkbwlt

Cryptographic Hash Functions

md5 b997da5302ecbdff0f33e2bda72364ec
sha1 928ffea864f8d69859506e9dcd49fad8b3c572a0
sha256 d7ed4bf0c61b2598609ddaf8636406c6ef75e670f0987f9d1e7ec4711f88629f
sha512 bf1724ed167ea322e0e9b52015fba53e0e8d533823d64aa2ca0ccdead659111e8743e178d31925628591b283548abeaf3a397396f3824cc88eefaf5b973d4907
ripemd-160 4c083fc0b8a666ab6649d8c23085101be723a3e8

820208081 as geometric shapes

Circle

Radius = n
Diameter 1640416162
Circumference 5153519363.3692
Area 2.1134791137127E+18

Sphere

Radius = n
Volume 2.3113235307891E+27
Surface area 8.4539164548507E+18
Circumference 5153519363.3692

Square

Length = n
Perimeter 3280832324
Area 672741296137702561
Diagonal 1159949392.1182

Cube

Length = n
Surface area 4036447776826215366
Volume 5.5178784751456E+26
Space diagonal 1420642069.0706

Equilateral Triangle

Length = n
Perimeter 2460624243
Area 2.9130552631506E+17
Altitude 710321034.53528

Triangular Pyramid

Length = n
Surface area 2.9130552631506E+17
Volume 6.5028821458979E+25
Height 386649797.37274