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.
81488082 has 16 divisors, whose sum is 135011520
The reverse of 81488082 is 28088418
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million four hundred eighty-eight thousand eighty-two
Scientific notation
8.1488082 × 10^7
Engineering notation
8.1488082 × 10^6
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.
8 , 4 , 79 , 73 , 782 , 668 , 4195 , 3547 , 68806 , 63452 , 974696 , 439449 , 9653417 , 7216991 , 10785202 , 85956531 , 81956125 , 906933699 , 8279641392 , 585593609
n×2
162976164
n×3
244464246
n×4
325952328
n×5
407440410
n÷2
40744041
n÷3
27162694
n÷3
20372020.5
n÷5
16297616.4
n2
6640307508038724
n3
5.4110592272028E+23
n4
4.4093683801315E+31
n5
3.5931097212837E+39
2 √n
9027.0749415301
3 √n
433.54218821035
4 √n
95.010920117269
5 √n
38.213676185892
1 , 2 , 13 , 26 , 39 , 78 , 507 , 1014 , 80363 , 160726 , 1044719 , 2089438 , 3134157 , 6268314 , 40744041 , 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
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
md5
fd00b542682a04b6bfdac265c23a6d41
sha1
8d274905734c8c0350deb69244d48a0b65d94165
sha256
6ee98c45f330c325c35234e7bd473dfb7a6868d89a1743d7ab6f39cdddc91850
sha512
eb0e5f59a3b6b9bc38836b8bb9a84261e022d41686519198525989310057c02570dc6cb2b284a8af1cb43d3908c17f1e5bdde0e7c5aa9c36b70ae2ecb18de6b1
ripemd-160
71149227b947e6a8b4d790bdc0a2d112b83675fe
Diameter
162976164
Circumference
512004719.53265
Area
2.0861141284832E+16
Volume
2.2665791888426E+24
Surface area
8.3444565139326E+16
Circumference
512004719.53265
Perimeter
325952328
Area
6640307508038724
Diagonal
115241550.73617
Surface area
39841845048232344
Volume
5.4110592272028E+23
Space diagonal
141141498.23534
Perimeter
244464246
Area
2.875337495451E+15
Altitude
70570749.117669
Surface area
2.875337495451E+15
Volume
6.3769944549285E+22
Height
38413850.24539