820396988 (number)

820396988 is an even 9-digits composite number following 820396987 and preceding 820396989. In scientific notation, it is written as 8.20396988 × 10^8. The sum of its digits is 53. It has a total of 5 prime factors and 24 positive divisors. There are 404501760 positive integers (up to 820396988) that are relatively prime to 820396988.

Interesting facts

Basic properties

Name

Name eight hundred twenty million three hundred ninety-six thousand nine hundred eighty-eight

Notation

Scientific notation 8.20396988 × 10^8
Engineering notation 8.20396988 × 10^6

Prime Factorization of 820396988

Prime Factorization 2 × 2 × 79 × 1481 × 1753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 410198494
Product of the distinct prime numbers

The prime factorization of 820396988 is 2 × 2 × 79 × 1481 × 1753. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 820396988)

Multiplication

n×y
n×2 1640793976
n×3 2461190964
n×4 3281587952
n×5 4101984940

Division

n÷y
n÷2 410198494
n÷3 273465662.66667
n÷3 205099247
n÷5 164079397.6

Exponentiation

ny
n2 673051217919472144
n3 5.5216919195087E+26
n4 4.5299794194288E+35
n5 3.7163814714014E+44

Nth Root

y√n
2√n 28642.572998947
3√n 936.14118545014
4√n 169.24116815641
5√n 60.646370034198

Divisors of 820396988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -820396987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 820396988 can be divided by 24 positive divisors. The sum of these divisors (counting 820396988) is 1, the average is 0.041666666666667.

Base conversion 820396988

Base System Value
2 Binary 110000111001100100001110111100
3 Ternary 2010011201111002122
4 Quaternary 300321210032330
5 Quinary 3140010200423
6 Senary 213223542112
8 Octal 6071441674
10 Decimal 820396988
12 Duodecimal 1aa8ba938
16 Hexadecimal 30e643bc
20 Vigesimal cg79c98
36 Base36 dkfyd8

Cryptographic Hash Functions

md5 b55d055eea5c7b5c8ec159b2611ae4ea
sha1 434cab94e7f0bbe65a1f564fd67fd898571c080f
sha256 63f04906a5aed8e04e8e2dc56a2b6ebe83370bfa02f86e80e6f12f6b0aac42de
sha512 6b048f4335182963dde4bd71c008e2604e89485009d56f8a3faed2d5354b937b87146aa755be057683984e3018a7d23af4af9666f86823d21b4501f4a28f5e90
ripemd-160 c580256726698204a5dd23ea0e4e7e62f6e59c03

820396988 as geometric shapes

Circle

Radius = n
Diameter 1640793976
Circumference 5154706301.056
Area 2.1144527617055E+18

Sphere

Radius = n
Volume 2.3129209026286E+27
Surface area 8.4578110468219E+18
Circumference 5154706301.056

Square

Length = n
Perimeter 3281587952
Area 673051217919472144
Diagonal 1160216546.9596

Cube

Length = n
Surface area 4038307307516832864
Volume 5.5216919195087E+26
Space diagonal 1420969265.5925

Equilateral Triangle

Length = n
Perimeter 2461190964
Area 2.9143972638316E+17
Altitude 710484632.79624

Triangular Pyramid

Length = n
Surface area 2.9143972638316E+17
Volume 6.5073763331792E+25
Height 386738848.98655