81650520 (number)

81650520 is an even 8-digits composite number following 81650519 and preceding 81650521. In scientific notation, it is written as 8.1650520 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 18662400 positive integers (up to 81650520) that are relatively prime to 81650520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1650520 × 10^7
Engineering notation 8.1650520 × 10^6

Prime Factorization of 81650520

Prime Factorization 2 × 2 × 2 × 63 × 5 × 32401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20412630
Product of the distinct prime numbers

The prime factorization of 81650520 is 2 × 2 × 2 × 63 × 5 × 32401. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 3, 96, 14, 606, 283, 6835, 9559, 42939, 42498, 774635, 704254, 6818185, 2603899, 43108701, 25868643, 559420239, 995583163, 3997438774, 378784089

Basic calculations (n = 81650520)

Multiplication

n×y
n×2 163301040
n×3 244951560
n×4 326602080
n×5 408252600

Division

n÷y
n÷2 40825260
n÷3 27216840
n÷3 20412630
n÷5 16330104

Exponentiation

ny
n2 6666807416270400
n3 5.4434829227833E+23
n4 4.4446321125638E+31
n5 3.6290652319953E+39

Nth Root

y√n
2√n 9036.0677288298
3√n 433.83007073204
4√n 95.058233356348
5√n 38.228899048934

Divisors of 81650520

1, 2, 4, 5, 8, 10, 20, 40, 63, 126, 252, 315, 504, 630, 1260, 2520, 32401, 64802, 129604, 162005, 259208, 324010, 648020, 1296040, 2041263, 4082526, 8165052, 10206315, 16330104, 20412630, 40825260, 81650520

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81650519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81650520 can be divided by 32 positive divisors. The sum of these divisors (counting 81650520) is 1, the average is 0.03125.

Base conversion 81650520

Base System Value
2 Binary 100110111011110001101011000
3 Ternary 12200122021110100
4 Quaternary 10313132031120
5 Quinary 131400304040
6 Senary 12034015400
8 Octal 467361530
10 Decimal 81650520
12 Duodecimal 23417560
16 Hexadecimal 4dde358
20 Vigesimal 15a6660
36 Base36 1cm1y0

Cryptographic Hash Functions

md5 5cf0889abb8ffbfde4d442e87cf008fd
sha1 166d4d9fab80b5059c26ceb98811b3133cc283d3
sha256 c2f9715e0d1fad0c6876ee85b2203ea4d12c6a6c9f7a993bf520ac70ef550986
sha512 a3d760a604b3cdb7448fb5fc876a5ac8d125ce580c5018f1c3bf8c505c47478c2b84f333bd88bdc59c1dbd75fc42b1cf173527f0a5ba189d0fb886a944fee02e
ripemd-160 81375c74f868f258ee702cfb38035b097d0f98ba

81650520 as geometric shapes

Circle

Radius = n
Diameter 163301040
Circumference 513025347.58757
Area 2.0944393201853E+16

Sphere

Radius = n
Volume 2.2801607946877E+24
Surface area 8.3777572807412E+16
Circumference 513025347.58757

Square

Length = n
Perimeter 326602080
Area 6666807416270400
Diagonal 115471272.75882

Cube

Length = n
Surface area 40000844497622400
Volume 5.4434829227833E+23
Space diagonal 141422849.10442

Equilateral Triangle

Length = n
Perimeter 244951560
Area 2.8868122923143E+15
Altitude 70711424.552209

Triangular Pyramid

Length = n
Surface area 2.8868122923143E+15
Volume 6.4152061466221E+22
Height 38490424.252939