81650650 (number)

81650650 is an even 8-digits composite number following 81650649 and preceding 81650651. In scientific notation, it is written as 8.1650650 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 32578560 positive integers (up to 81650650) that are relatively prime to 81650650.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred fifty thousand six hundred fifty

Notation

Scientific notation 8.1650650 × 10^7
Engineering notation 8.1650650 × 10^6

Prime Factorization of 81650650

Prime Factorization 2 × 5 × 5 × 449 × 3637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16330130
Product of the distinct prime numbers

The prime factorization of 81650650 is 2 × 5 × 5 × 449 × 3637. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81650650)

Multiplication

n×y
n×2 163301300
n×3 244951950
n×4 326602600
n×5 408253250

Division

n÷y
n÷2 40825325
n÷3 27216883.333333
n÷3 20412662.5
n÷5 16330130

Exponentiation

ny
n2 6666828645422500
n3 5.4435089233737E+23
n4 4.4446604187426E+31
n5 3.6290941221961E+39

Nth Root

y√n
2√n 9036.0749222215
3√n 433.83030097299
4√n 95.058271193103
5√n 38.228911222167

Divisors of 81650650

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 -81650649
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 81650650 can be divided by 24 positive divisors. The sum of these divisors (counting 81650650) is 1, the average is 0.041666666666667.

Base conversion 81650650

Base System Value
2 Binary 100110111011110001111011010
3 Ternary 12200122021122011
4 Quaternary 10313132033122
5 Quinary 131400310100
6 Senary 12034020134
8 Octal 467361732
10 Decimal 81650650
12 Duodecimal 2341764a
16 Hexadecimal 4dde3da
20 Vigesimal 15a66ca
36 Base36 1cm21m

Cryptographic Hash Functions

md5 7a880e9a85da9092c54dde07527a00a3
sha1 03615321483fec019324a8fd1df7e34fb5181d68
sha256 72ad88f65fc821e1819dd660f1c5679b5e631ef51d120bf899e0c823242fd6ed
sha512 0ab863f44d08d3958c966a994d6daa249d44f2c96de280c3a6c3c0d727f576eef6f120c4558a6d3ed18b51f3d4bdfe1c996f0a83d037ab6ffbe2ad1c23c4c998
ripemd-160 37bf6fb36190de8337f764f6022ff96db76abebe

81650650 as geometric shapes

Circle

Radius = n
Diameter 163301300
Circumference 513026164.40166
Area 2.0944459895201E+16

Sphere

Radius = n
Volume 2.2801716857895E+24
Surface area 8.3777839580805E+16
Circumference 513026164.40166

Square

Length = n
Perimeter 326602600
Area 6666828645422500
Diagonal 115471456.60658

Cube

Length = n
Surface area 40000971872535000
Volume 5.4435089233737E+23
Space diagonal 141423074.27102

Equilateral Triangle

Length = n
Perimeter 244951950
Area 2.8868214848068E+15
Altitude 70711537.135512

Triangular Pyramid

Length = n
Surface area 2.8868214848068E+15
Volume 6.4152367886117E+22
Height 38490485.535526