81038862 is an even 8-digits composite number following 81038861
and preceding 81038863 . In scientific notation, it is written as 8.1038862 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 27012948 positive integers (up to 81038862) that are relatively prime to 81038862.
81038862 has 12 divisors, whose sum is 175584240
The reverse of 81038862 is 26883018
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million thirty-eight thousand eight hundred sixty-two
Scientific notation
8.1038862 × 10^7
Engineering notation
8.1038862 × 10^6
Prime Factorization
2 × 3 × 3 × 4502159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27012954
Product of the distinct prime numbers
The prime factorization of 81038862 is 2 × 3 × 3 × 4502159.
Since it has a total of 4 prime factors.
1 , 1 , 42 , 13 , 349 , 376 , 5014 , 848 , 83340 , 23701 , 460256 , 36327 , 8152366 , 1526359 , 68143917 , 2695528 , 63215302 , 597064855 , 2573594588 , 6609699330
n×2
162077724
n×3
243116586
n×4
324155448
n×5
405194310
n÷2
40519431
n÷3
27012954
n÷3
20259715.5
n÷5
16207772.4
n2
6567297154255044
n3
5.3220628779667E+23
n4
4.3129391912286E+31
n5
3.4951568393237E+39
2 √n
9002.158741102
3 √n
432.74405595833
4 √n
94.879706687479
5 √n
38.171450804934
1 , 2 , 3 , 6 , 9 , 18 , 4502159 , 9004318 , 13506477 , 27012954 , 40519431 , 81038862
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81038861
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81038862 can be divided by 12 positive divisors.
The sum of these divisors (counting 81038862) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101001000111000001110
3
Ternary
12122111012102100
4
Quaternary
10311020320032
5
Quinary
131221220422
6
Senary
12012535530
8
Octal
465107016
10
Decimal
81038862
12
Duodecimal
231815a6
16
Hexadecimal
4d48e0e
20
Vigesimal
1569h32
36
Base36
1c8xzi
md5
40456beceb83b3ce2d3fc6561c702828
sha1
ce71dec85fc8b7d77fd793ef4017c29391035b0f
sha256
94206dfe69dac73021a64db48e843329f88418f730181f0c541b7b99e9b40115
sha512
2e64b5231b2062570b1e563bcfbbcd12cca0c041e9116a843a92f898cdf9e8788270f5f4be633c7bac834322f1152ed86bb53916d9fc98a8e5b3fa4f94b5dc9a
ripemd-160
4a95718238d5c96cff2b50d4436e441eb1406bd8
Diameter
162077724
Circumference
509182187.02895
Area
2.0631772493749E+16
Volume
2.2293004852484E+24
Surface area
8.2527089974995E+16
Circumference
509182187.02895
Perimeter
324155448
Area
6567297154255044
Diagonal
114606257.71968
Surface area
39403782925530264
Volume
5.3220628779667E+23
Space diagonal
140363426.37156
Perimeter
243116586
Area
2.8437230848931E+15
Altitude
70181713.185781
Surface area
2.8437230848931E+15
Volume
6.272111251519E+22
Height
38202085.906561