81288114 is an even 8-digits composite number following 81288113
and preceding 81288115 . In scientific notation, it is written as 8.1288114 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 26325312 positive integers (up to 81288114) that are relatively prime to 81288114.
81288114 has 32 divisors, whose sum is 167261760
The reverse of 81288114 is 41188218
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million two hundred eighty-eight thousand one hundred fourteen
Scientific notation
8.1288114 × 10^7
Engineering notation
8.1288114 × 10^6
Prime Factorization
2 × 3 × 53 × 107 × 2389
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81288114
Product of the distinct prime numbers
The prime factorization of 81288114 is 2 × 3 × 53 × 107 × 2389.
Since it has a total of 5 prime factors.
2 , 8 , 44 , 5 , 505 , 641 , 3681 , 4541 , 16698 , 2466 , 480869 , 118748 , 1557509 , 1840541 , 29276734 , 26784390 , 513677577 , 908005584 , 3928667834 , 2897708809
n×2
162576228
n×3
243864342
n×4
325152456
n×5
406440570
n÷2
40644057
n÷3
27096038
n÷3
20322028.5
n÷5
16257622.8
n2
6607757477676996
n3
5.3713214312976E+23
n4
4.3662458883796E+31
n5
3.5492389352663E+39
2 √n
9015.9921251075
3 √n
433.1872668778
4 √n
94.95257829626
5 √n
38.194902828998
1 , 2 , 3 , 6 , 53 , 106 , 107 , 159 , 214 , 318 , 321 , 642 , 2389 , 4778 , 5671 , 7167 , 11342 , 14334 , 17013 , 34026 , 126617 , 253234 , 255623 , 379851 , 511246 , 759702 , 766869 , 1533738 , 13548019 , 27096038 , 40644057 , 81288114
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81288113
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81288114 can be divided by 32 positive divisors.
The sum of these divisors (counting 81288114) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110000101101110110010
3
Ternary
12122221212022220
4
Quaternary
10312011232302
5
Quinary
131302204424
6
Senary
12022141510
8
Octal
466055662
10
Decimal
81288114
12
Duodecimal
23281896
16
Hexadecimal
4d85bb2
20
Vigesimal
158105e
36
Base36
1ceab6
md5
b5304b8dbdd26dd1717988649ffcaa94
sha1
e4b7976cbf83b5eb807c4bbfcbe1c31158c8a24d
sha256
3ffa03104d59c1a3173ba6242538c6c6ac7e4c89981c397f5adb4038ab7b7a79
sha512
0522ac46e7f0df6dadd04e913bcd1a78586d142c0e4e5814f64adf74357b257ceeb7693c00ab04232a9b11ce86af628073738183d8fc7f99f3e799e0652622f9
ripemd-160
eb6e1b68b05b7d0f368a7d6fb65855bfe7299f0d
Diameter
162576228
Circumference
510748283.53314
Area
2.0758882348573E+16
Volume
2.2499338598179E+24
Surface area
8.3035529394292E+16
Circumference
510748283.53314
Perimeter
325152456
Area
6607757477676996
Diagonal
114958753.27853
Surface area
39646544866061976
Volume
5.3713214312976E+23
Space diagonal
140795143.49945
Perimeter
243864342
Area
2.8612429188574E+15
Altitude
70397571.749725
Surface area
2.8612429188574E+15
Volume
6.3301630133386E+22
Height
38319584.426177