81043927 is an odd 8-digits composite number following 81043926
and preceding 81043928 . In scientific notation, it is written as 8.1043927 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 77520256 positive integers (up to 81043927) that are relatively prime to 81043927.
81043927 has 4 divisors, whose sum is 84567600
The reverse of 81043927 is 72934018
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million forty-three thousand nine hundred twenty-seven
Scientific notation
8.1043927 × 10^7
Engineering notation
8.1043927 × 10^6
Prime Factorization
23 × 3523649
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81043927
Product of the distinct prime numbers
The prime factorization of 81043927 is 23 × 3523649.
Since it has a total of 2 prime factors.
6 , 10 , 32 , 66 , 702 , 185 , 4934 , 5228 , 44806 , 55165 , 545402 , 331751 , 6695983 , 3708210 , 54576338 , 54021648 , 302228225 , 483463570 , 1286797054 , 7083164813
n×2
162087854
n×3
243131781
n×4
324175708
n×5
405219635
n÷2
40521963.5
n÷3
27014642.333333
n÷3
20260981.75
n÷5
16208785.4
n2
6568118103581329
n3
5.3230608411402E+23
n4
4.3140175422593E+31
n5
3.4962492277158E+39
2 √n
9002.4400581176
3 √n
432.75307139828
4 √n
94.881189168968
5 √n
38.171927942841
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81043926
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81043927 can be divided by 4 positive divisors.
The sum of these divisors (counting 81043927) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101001010000111010111
3
Ternary
12122111110100221
4
Quaternary
10311022013113
5
Quinary
131221401202
6
Senary
12013015211
8
Octal
465120727
10
Decimal
81043927
12
Duodecimal
23184507
16
Hexadecimal
4d4a1d7
20
Vigesimal
156a9g7
36
Base36
1c91w7
md5
419e7a341e148a1574cf5c93ebbe7d13
sha1
c52502a0f0fb088a98dfe516fc583968be8f4a57
sha256
4b7016d1ee494a4366b9c1acf723d9a5bafe5f969ef5a9e3e647dbcf8fe1e043
sha512
028b68d98400c727e0f95eb96a296943c2749f2b97a2332d48bc441be0ae2b14a5539861eedc17f8d3d10ab04977625bb6a85969f306f5074abe4f5ab4081927
ripemd-160
ef90f9772d835a7f61adacf3cb3a920bd3dd5946
Diameter
162087854
Circumference
509214011.36253
Area
2.0634351582121E+16
Volume
2.229718511085E+24
Surface area
8.2537406328485E+16
Circumference
509214011.36253
Perimeter
324175708
Area
6568118103581329
Diagonal
114613420.71138
Surface area
39408708621487974
Volume
5.3230608411402E+23
Space diagonal
140372199.2089
Perimeter
243131781
Area
2.844078566379E+15
Altitude
70186099.604452
Surface area
2.844078566379E+15
Volume
6.273287362398E+22
Height
38204473.570458