81148082 is an even 8-digits composite number following 81148081
and preceding 81148083 . In scientific notation, it is written as 8.1148082 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 40125168 positive integers (up to 81148082) that are relatively prime to 81148082.
81148082 has 16 divisors, whose sum is 123076800
The reverse of 81148082 is 28084118
Previous prime number is 307
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million one hundred forty-eight thousand eighty-two
Scientific notation
8.1148082 × 10^7
Engineering notation
8.1148082 × 10^6
Prime Factorization
2 × 149 × 307 × 887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81148082
Product of the distinct prime numbers
The prime factorization of 81148082 is 2 × 149 × 307 × 887.
Since it has a total of 4 prime factors.
6 , 5 , 60 , 83 , 698 , 333 , 8705 , 6753 , 10090 , 83300 , 24936 , 782396 , 5288288 , 1956427 , 29925624 , 33375035 , 884515674 , 930000105 , 4722506489 , 1389431737
n×2
162296164
n×3
243444246
n×4
324592328
n×5
405740410
n÷2
40574041
n÷3
27049360.666667
n÷3
20287020.5
n÷5
16229616.4
n2
6585011212278724
n3
5.3436102982491E+23
n4
4.3362372665837E+31
n5
3.5187733728019E+39
2 √n
9008.2230212179
3 √n
432.93837872746
4 √n
94.911659037327
5 √n
38.181734365236
1 , 2 , 149 , 298 , 307 , 614 , 887 , 1774 , 45743 , 91486 , 132163 , 264326 , 272309 , 544618 , 40574041 , 81148082
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
-81148081
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 81148082 can be divided by 16 positive divisors.
The sum of these divisors (counting 81148082) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101100011100010110010
3
Ternary
12122200202020112
4
Quaternary
10311203202302
5
Quinary
131233214312
6
Senary
12015141322
8
Octal
465434262
10
Decimal
81148082
12
Duodecimal
23214842
16
Hexadecimal
4d638b2
20
Vigesimal
1573a42
36
Base36
1cba9e
md5
67859773c6bf302f37a8c57702c7a14c
sha1
b87a4b5e1908b92dfdd73d57003d83f76d761cff
sha256
adf43cc4ef8b9ed14e3c7f916a3e418d933792023bc2777906e347ed2c54b93c
sha512
7b8b1d2822079137cf4f3656676b81e737c78a89012021ea418ed45ef671d7595db95a51b68dbc60101664a64091434f297e512e3abd498ef9b22505aceba8eb
ripemd-160
ed99b1c3dbb3d9fe068b24f3bf7d36bc2df1c818
Diameter
162296164
Circumference
509868436.5282
Area
2.0687422848301E+16
Volume
2.2383262475502E+24
Surface area
8.2749691393205E+16
Circumference
509868436.5282
Perimeter
324592328
Area
6585011212278724
Diagonal
114760718.12496
Surface area
39510067273672344
Volume
5.3436102982491E+23
Space diagonal
140552600.96077
Perimeter
243444246
Area
2.8513934970194E+15
Altitude
70276300.480383
Surface area
2.8513934970194E+15
Volume
6.2975051298504E+22
Height
38253572.708321