81016873 is an odd 8-digits composite number following 81016872
and preceding 81016874 . In scientific notation, it is written as 8.1016873 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 69443028 positive integers (up to 81016873) that are relatively prime to 81016873.
81016873 has 4 divisors, whose sum is 92590720
The reverse of 81016873 is 37861018
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million sixteen thousand eight hundred seventy-three
Scientific notation
8.1016873 × 10^7
Engineering notation
8.1016873 × 10^6
Prime Factorization
7 × 11573839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81016873
Product of the distinct prime numbers
The prime factorization of 81016873 is 7 × 11573839.
Since it has a total of 2 prime factors.
4 , 7 , 38 , 23 , 322 , 345 , 7668 , 4717 , 38384 , 41167 , 276922 , 680970 , 6699023 , 6955767 , 68551743 , 67728575 , 123071885 , 846959093 , 3003716614 , 3411297517
n×2
162033746
n×3
243050619
n×4
324067492
n×5
405084365
n÷2
40508436.5
n÷3
27005624.333333
n÷3
20254218.25
n÷5
16203374.6
n2
6563733710698129
n3
5.3177318044545E+23
n4
4.3082600224955E+31
n5
3.490417550935E+39
2 √n
9000.9373400774
3 √n
432.70491231131
4 √n
94.873269892407
5 √n
38.169379099765
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
-81016872
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 81016873 can be divided by 4 positive divisors.
The sum of these divisors (counting 81016873) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101000011100000101001
3
Ternary
12122110002020221
4
Quaternary
10311003200221
5
Quinary
131220014443
6
Senary
12012250041
8
Octal
465034051
10
Decimal
81016873
12
Duodecimal
23170921
16
Hexadecimal
4d43829
20
Vigesimal
156723d
36
Base36
1c8h0p
md5
9a3c476ce899ade327c59cd194704d55
sha1
1f2758fa6b2e65c6f1ef851a6c3f0aba1539a52f
sha256
55806198f8bb48e5327d11dd88812e3f0060c9e8941436e11d231760a69d17ee
sha512
43c51f62dc6f820aa2ca1e7f7950689a2e5205be6e19f38ad52416b6a292fb340050e3d3709a60be662f516e941ccd335bb3a50691642e13ed2732a905da9758
ripemd-160
e2de3bc4179d8eef935f1d44f6a735ca8be822e2
Diameter
162033746
Circumference
509044026.06723
Area
2.0620577605649E+16
Volume
2.227486289418E+24
Surface area
8.2482310422596E+16
Circumference
509044026.06723
Perimeter
324067492
Area
6563733710698129
Diagonal
114575160.57766
Surface area
39382402264188774
Volume
5.3177318044545E+23
Space diagonal
140325340.30636
Perimeter
243050619
Area
2.8421800685704E+15
Altitude
70162670.153178
Surface area
2.8421800685704E+15
Volume
6.2670070324352E+22
Height
38191720.192553