81016844 is an even 8-digits composite number following 81016843
and preceding 81016845 . In scientific notation, it is written as 8.1016844 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 40369584 positive integers (up to 81016844) that are relatively prime to 81016844.
81016844 has 12 divisors, whose sum is 142265424
The reverse of 81016844 is 44861018
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million sixteen thousand eight hundred forty-four
Scientific notation
8.1016844 × 10^7
Engineering notation
8.1016844 × 10^6
Prime Factorization
2 × 2 × 293 × 69127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40508422
Product of the distinct prime numbers
The prime factorization of 81016844 is 2 × 2 × 293 × 69127.
Since it has a total of 4 prime factors.
9 , 8 , 54 , 99 , 851 , 423 , 1694 , 9139 , 6469 , 28410 , 259795 , 553445 , 6716730 , 7447800 , 62421281 , 19727404 , 452894294 , 498014291 , 2967730334 , 613699703
n×2
162033688
n×3
243050532
n×4
324067376
n×5
405084220
n÷2
40508422
n÷3
27005614.666667
n÷3
20254211
n÷5
16203368.8
n2
6563729011720336
n3
5.3177260940082E+23
n4
4.3082538539299E+31
n5
3.4904113039624E+39
2 √n
9000.9357291339
3 √n
432.70486068238
4 √n
94.873261402431
5 √n
38.169376367218
1 , 2 , 4 , 293 , 586 , 1172 , 69127 , 138254 , 276508 , 20254211 , 40508422 , 81016844
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
-81016843
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 81016844 can be divided by 12 positive divisors.
The sum of these divisors (counting 81016844) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101000011100000001100
3
Ternary
12122110002012212
4
Quaternary
10311003200030
5
Quinary
131220014334
6
Senary
12012245552
8
Octal
465034014
10
Decimal
81016844
12
Duodecimal
231708b8
16
Hexadecimal
4d4380c
20
Vigesimal
1567224
36
Base36
1c8gzw
md5
018052ff097d59fe16e55e1fc096bd3a
sha1
a0660b2dc69e751f6b676177dd3051b7969c0496
sha256
9faccb2520c3c9f49ed019c88b98ae9a43972b57b85b7c085fecaa9063695b14
sha512
94daa3943f158034d7c84ed5267b82199208560b12a6dc6d334f71b9e48b53b25d69ceabd18e2123c3829a2e670da1bc61f958b7cbe257609ebb2c9c635b7bbc
ripemd-160
a1d903ec7231098548ede4101a3a55acdcf58c9c
Diameter
162033688
Circumference
509043843.85486
Area
2.0620562843375E+16
Volume
2.2274838974319E+24
Surface area
8.2482251373499E+16
Circumference
509043843.85486
Perimeter
324067376
Area
6563729011720336
Diagonal
114575119.56547
Surface area
39382374070322016
Volume
5.3177260940082E+23
Space diagonal
140325290.07688
Perimeter
243050532
Area
2.8421780338534E+15
Altitude
70162645.038441
Surface area
2.8421780338534E+15
Volume
6.2670003026098E+22
Height
38191706.521822