81482813 is an odd 8-digits composite number following 81482812
and preceding 81482814 . In scientific notation, it is written as 8.1482813 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 77134464 positive integers (up to 81482813) that are relatively prime to 81482813.
81482813 has 8 divisors, whose sum is 85904448
The reverse of 81482813 is 31828418
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million four hundred eighty-two thousand eight hundred thirteen
Scientific notation
8.1482813 × 10^7
Engineering notation
8.1482813 × 10^6
Prime Factorization
23 × 97 × 36523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81482813
Product of the distinct prime numbers
The prime factorization of 81482813 is 23 × 97 × 36523.
Since it has a total of 3 prime factors.
2 , 5 , 97 , 91 , 417 , 527 , 5890 , 3794 , 67567 , 86011 , 373449 , 92672 , 4233144 , 1525580 , 86392871 , 45935671 , 770444940 , 753353649 , 4300255022 , 3802172211
n×2
162965626
n×3
244448439
n×4
325931252
n×5
407414065
n÷2
40741406.5
n÷3
27160937.666667
n÷3
20370703.25
n÷5
16296562.6
n2
6639448814392969
n3
5.4100096616625E+23
n4
4.4082280558944E+31
n5
3.591948223398E+39
2 √n
9026.783092553
3 √n
433.53284376402
4 √n
95.009384234153
5 √n
38.213181995668
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81482812
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81482813 can be divided by 8 positive divisors.
The sum of these divisors (counting 81482813) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110110101010000111101
3
Ternary
12200022202101222
4
Quaternary
10312311100331
5
Quinary
131324422223
6
Senary
12030243125
8
Octal
466652075
10
Decimal
81482813
12
Duodecimal
233564a5
16
Hexadecimal
4db543d
20
Vigesimal
159570d
36
Base36
1cigjh
md5
3860aed8d3f4afb322c19a3a2e2bed99
sha1
9264e498c047504ee6c351b837e5b428b104ab94
sha256
e4e7fab1bccacb776d07426a4d7718b9ced577855a85a55e234107be6c1f4333
sha512
c8bb546b24d432453beb820141acdde269a5299ad7e5b96863e3ba50f135fdee8c4cfea76f4b719d4477e847d28196002ca8fe3c24418eeae6486c477aa8e7f4
ripemd-160
e3265dd4f5e81f8a1c6d51ff25c1df772fbb69e8
Diameter
162965626
Circumference
511971613.42926
Area
2.0858443619182E+16
Volume
2.2661395478572E+24
Surface area
8.343377447673E+16
Circumference
511971613.42926
Perimeter
325931252
Area
6639448814392969
Diagonal
115234099.24491
Surface area
39836692886357814
Volume
5.4100096616625E+23
Space diagonal
141132372.05963
Perimeter
244448439
Area
2.8749656701954E+15
Altitude
70566186.029817
Surface area
2.8749656701954E+15
Volume
6.3757575300772E+22
Height
38411366.41497