81648462 (number)

81648462 is an even 8-digits composite number following 81648461 and preceding 81648463. In scientific notation, it is written as 8.1648462 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 23328120 positive integers (up to 81648462) that are relatively prime to 81648462.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty-eight thousand four hundred sixty-two

Notation

Scientific notation 8.1648462 × 10^7
Engineering notation 8.1648462 × 10^6

Prime Factorization of 81648462

Prime Factorization 2 × 7 × 3 × 1944011

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81648462
Product of the distinct prime numbers

The prime factorization of 81648462 is 2 × 7 × 3 × 1944011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 70, 3, 142, 309, 4094, 4420, 3041, 71257, 589214, 981322, 5898786, 738234, 17571210, 44703799, 488949572, 423312090, 9664111125, 7598577869

Basic calculations (n = 81648462)

Multiplication

n×y
n×2 163296924
n×3 244945386
n×4 326593848
n×5 408242310

Division

n÷y
n÷2 40824231
n÷3 27216154
n÷3 20412115.5
n÷5 16329692.4

Exponentiation

ny
n2 6666471346965444
n3 5.443071324468E+23
n4 4.4441840219911E+31
n5 3.6286079024055E+39

Nth Root

y√n
2√n 9035.9538511438
3√n 433.82642580817
4√n 95.057634365388
5√n 38.228706335238

Divisors of 81648462

1, 2, 3, 6, 7, 14, 21, 42, 1944011, 3888022, 5832033, 11664066, 13608077, 27216154, 40824231, 81648462

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 -81648461
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 81648462 can be divided by 16 positive divisors. The sum of these divisors (counting 81648462) is 1, the average is 0.0625.

Base conversion 81648462

Base System Value
2 Binary 100110111011101101101001110
3 Ternary 12200122011122010
4 Quaternary 10313131231032
5 Quinary 131400222322
6 Senary 12034002050
8 Octal 467355516
10 Decimal 81648462
12 Duodecimal 23416326
16 Hexadecimal 4dddb4e
20 Vigesimal 15a6132
36 Base36 1cm0cu

Cryptographic Hash Functions

md5 eff11329c5886f631df42ea67388d1d2
sha1 21630f90aa294d5c6f47cbb58609adcdf8c26ddf
sha256 b89b02fe81b8d75107fcfe548cadb4254e0db66d8a4b1c3f94aafd8481d8839c
sha512 9c069298ac0bb96383390065b49bd05e49b87631973b72386b3006c332ff931349fefd390c41b7075167e9ebc89056cc310c866a6dc807657d4acde0320ae01a
ripemd-160 8d3a9ae2a202dc0d23c26de9e72d98a48406b524

81648462 as geometric shapes

Circle

Radius = n
Diameter 163296924
Circumference 513012416.79221
Area 2.0943337408993E+16

Sphere

Radius = n
Volume 2.2799883847885E+24
Surface area 8.3773349635974E+16
Circumference 513012416.79221

Square

Length = n
Perimeter 326593848
Area 6666471346965444
Diagonal 115468362.3073

Cube

Length = n
Surface area 39998828081792664
Volume 5.443071324468E+23
Space diagonal 141419284.54386

Equilateral Triangle

Length = n
Perimeter 244945386
Area 2.8866667700366E+15
Altitude 70709642.271928

Triangular Pyramid

Length = n
Surface area 2.8866667700366E+15
Volume 6.4147210733556E+22
Height 38489454.102435