81008044 is an even 8-digits composite number following 81008043
and preceding 81008045 . In scientific notation, it is written as 8.1008044 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 36517824 positive integers (up to 81008044) that are relatively prime to 81008044.
81008044 has 24 divisors, whose sum is 156223760
The reverse of 81008044 is 44080018
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million eight thousand forty-four
Scientific notation
8.1008044 × 10^7
Engineering notation
8.1008044 × 10^6
Prime Factorization
2 × 2 × 13 × 43 × 36229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40504022
Product of the distinct prime numbers
The prime factorization of 81008044 is 2 × 2 × 13 × 43 × 36229.
Since it has a total of 5 prime factors.
2 , 10 , 32 , 33 , 497 , 301 , 1423 , 9529 , 41490 , 54305 , 691602 , 796553 , 5028225 , 6972552 , 21342320 , 49885422 , 672461433 , 331729837 , 6661585211 , 7200804372
n×2
162016088
n×3
243024132
n×4
324032176
n×5
405040220
n÷2
40504022
n÷3
27002681.333333
n÷3
20252011
n÷5
16201608.8
n2
6562303192705936
n3
5.3159934577606E+23
n4
4.3063823192999E+31
n5
3.4885160840266E+39
2 √n
9000.4468777945
3 √n
432.68919340274
4 √n
94.870685028593
5 √n
38.168547144331
1 , 2 , 4 , 13 , 26 , 43 , 52 , 86 , 172 , 559 , 1118 , 2236 , 36229 , 72458 , 144916 , 470977 , 941954 , 1557847 , 1883908 , 3115694 , 6231388 , 20252011 , 40504022 , 81008044
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81008043
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81008044 can be divided by 24 positive divisors.
The sum of these divisors (counting 81008044) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101000001010110101100
3
Ternary
12122102122010221
4
Quaternary
10311001112230
5
Quinary
131214224134
6
Senary
12012141124
8
Octal
465012654
10
Decimal
81008044
12
Duodecimal
231677a4
16
Hexadecimal
4d415ac
20
Vigesimal
1566024
36
Base36
1c8a7g
md5
c33c2090bb2077f4dc7b472fbc86a955
sha1
9e3240ada7911887d1c3a1d098a748a616385872
sha256
10e3bf1d93a237128b4a0aa1b2700effe3d6944d45be7f7c68e25ec6b6645f26
sha512
ccfd0512cc623f38debe370666c17fb25609fa287f44397b6ae0ce8e08b62bf6c6c201a517a430566591dae776c6d53277e638631f22de8162cafbe6c70ea0e3
ripemd-160
b260439c2a3c69bffe2ea5ed30419bf63a908b2e
Diameter
162016088
Circumference
508988551.82416
Area
2.0616083500834E+16
Volume
2.2267581324576E+24
Surface area
8.2464334003335E+16
Circumference
508988551.82416
Perimeter
324032176
Area
6562303192705936
Diagonal
114562674.48612
Surface area
39373819156235616
Volume
5.3159934577606E+23
Space diagonal
140310048.02978
Perimeter
243024132
Area
2.8415606361095E+15
Altitude
70155024.014888
Surface area
2.8415606361095E+15
Volume
6.2649583712098E+22
Height
38187558.162039