81488082 (number)

81488082 is an even 8-digits composite number following 81488081 and preceding 81488083. In scientific notation, it is written as 8.1488082 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 25072944 positive integers (up to 81488082) that are relatively prime to 81488082.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-eight thousand eighty-two

Notation

Scientific notation 8.1488082 × 10^7
Engineering notation 8.1488082 × 10^6

Prime Factorization of 81488082

Prime Factorization 2 × 39 × 13 × 80363

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81488082
Product of the distinct prime numbers

The prime factorization of 81488082 is 2 × 39 × 13 × 80363. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81488082)

Multiplication

n×y
n×2 162976164
n×3 244464246
n×4 325952328
n×5 407440410

Division

n÷y
n÷2 40744041
n÷3 27162694
n÷3 20372020.5
n÷5 16297616.4

Exponentiation

ny
n2 6640307508038724
n3 5.4110592272028E+23
n4 4.4093683801315E+31
n5 3.5931097212837E+39

Nth Root

y√n
2√n 9027.0749415301
3√n 433.54218821035
4√n 95.010920117269
5√n 38.213676185892

Divisors of 81488082

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 -81488081
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 81488082 can be divided by 16 positive divisors. The sum of these divisors (counting 81488082) is 1, the average is 0.0625.

Base conversion 81488082

Base System Value
2 Binary 100110110110110100011010010
3 Ternary 12200100000122010
4 Quaternary 10312312203102
5 Quinary 131330104312
6 Senary 12030323350
8 Octal 466664322
10 Decimal 81488082
12 Duodecimal 23359556
16 Hexadecimal 4db68d2
20 Vigesimal 1596042
36 Base36 1ciklu

Cryptographic Hash Functions

md5 fd00b542682a04b6bfdac265c23a6d41
sha1 8d274905734c8c0350deb69244d48a0b65d94165
sha256 6ee98c45f330c325c35234e7bd473dfb7a6868d89a1743d7ab6f39cdddc91850
sha512 eb0e5f59a3b6b9bc38836b8bb9a84261e022d41686519198525989310057c02570dc6cb2b284a8af1cb43d3908c17f1e5bdde0e7c5aa9c36b70ae2ecb18de6b1
ripemd-160 71149227b947e6a8b4d790bdc0a2d112b83675fe

81488082 as geometric shapes

Circle

Radius = n
Diameter 162976164
Circumference 512004719.53265
Area 2.0861141284832E+16

Sphere

Radius = n
Volume 2.2665791888426E+24
Surface area 8.3444565139326E+16
Circumference 512004719.53265

Square

Length = n
Perimeter 325952328
Area 6640307508038724
Diagonal 115241550.73617

Cube

Length = n
Surface area 39841845048232344
Volume 5.4110592272028E+23
Space diagonal 141141498.23534

Equilateral Triangle

Length = n
Perimeter 244464246
Area 2.875337495451E+15
Altitude 70570749.117669

Triangular Pyramid

Length = n
Surface area 2.875337495451E+15
Volume 6.3769944549285E+22
Height 38413850.24539