805540981 (number)

805540981 is an odd 9-digits composite number following 805540980 and preceding 805540982. In scientific notation, it is written as 8.05540981 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 672566400 positive integers (up to 805540981) that are relatively prime to 805540981.

Interesting facts

Basic properties

Name

Name eight hundred five million five hundred forty thousand nine hundred eighty-one

Notation

Scientific notation 8.05540981 × 10^8
Engineering notation 8.05540981 × 10^6

Prime Factorization of 805540981

Prime Factorization 7 × 41 × 773 × 3631

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 805540981
Product of the distinct prime numbers

The prime factorization of 805540981 is 7 × 41 × 773 × 3631. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 44, 72, 443, 166, 8013, 7493, 14774, 3588, 164434, 322218, 6967354, 2631095, 81410018, 17280465, 617026622, 744328479, 276464173, 6652676600

Basic calculations (n = 805540981)

Multiplication

n×y
n×2 1611081962
n×3 2416622943
n×4 3222163924
n×5 4027704905

Division

n÷y
n÷2 402770490.5
n÷3 268513660.33333
n÷3 201385245.25
n÷5 161108196.2

Exponentiation

ny
n2 648896272070442361
n3 5.2271253957087E+26
n4 4.2106637190692E+35
n5 3.3918621829201E+44

Nth Root

y√n
2√n 28382.053854505
3√n 930.45608376711
4√n 168.46974165857
5√n 60.425120884124

Divisors of 805540981

1, 7, 41, 287, 773, 3631, 5411, 25417, 31693, 148871, 221851, 1042097, 2806763, 19647341, 115077283, 805540981

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 -805540980
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 805540981 can be divided by 16 positive divisors. The sum of these divisors (counting 805540981) is 1, the average is 0.0625.

Base conversion 805540981

Base System Value
2 Binary 110000000000111001010001110101
3 Ternary 2002010202201111011
4 Quaternary 300000321101311
5 Quinary 3122204302411
6 Senary 211533312221
8 Octal 6000712165
10 Decimal 805540981
12 Duodecimal 1a5935671
16 Hexadecimal 30039475
20 Vigesimal cbecc91
36 Base36 dbljed

Cryptographic Hash Functions

md5 21c9b18a83384ce4c8c7c72d414ef89d
sha1 0f61278ba97718be01067318f59bbdea33f4c148
sha256 ab1be913336ecd60502dd7f6ae4f3f3a1af99bfed0633dbf7e65c66259026468
sha512 0e1926dab38659d927bc077c557273b2dcf91b24eb3ffb53e16f031ffc3235f552296215c33ba404e36d07a48b1a87939acce0457d748e0dfa6c7c6832fc5929
ripemd-160 796286cc680d7add02329780072de77d041977fa

805540981 as geometric shapes

Circle

Radius = n
Diameter 1611081962
Circumference 5061363256.1502
Area 2.0385677612783E+18

Sphere

Radius = n
Volume 2.1895331656735E+27
Surface area 8.1542710451132E+18
Circumference 5061363256.1502

Square

Length = n
Perimeter 3222163924
Area 648896272070442361
Diagonal 1139206980.3775

Cube

Length = n
Surface area 3893377632422654166
Volume 5.2271253957087E+26
Space diagonal 1395237906.6709

Equilateral Triangle

Length = n
Perimeter 2416622943
Area 2.8098032801701E+17
Altitude 697618953.33544

Triangular Pyramid

Length = n
Surface area 2.8098032801701E+17
Volume 6.1602263556967E+25
Height 379735660.12584