81012016 is an even 8-digits composite number following 81012015
and preceding 81012017 . In scientific notation, it is written as 8.1012016 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 10 positive divisors.
There are 40506000 positive integers (up to 81012016) that are relatively prime to 81012016.
81012016 has 10 divisors, whose sum is 156960812
The reverse of 81012016 is 61021018
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
eighty-one million twelve thousand sixteen
Scientific notation
8.1012016 × 10^7
Engineering notation
8.1012016 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5063251
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10126502
Product of the distinct prime numbers
The prime factorization of 81012016 is 2 × 2 × 2 × 2 × 5063251.
Since it has a total of 5 prime factors.
9 , 9 , 17 , 42 , 828 , 156 , 2958 , 1822 , 92946 , 44763 , 639672 , 662976 , 4499902 , 3655476 , 40119640 , 11335364 , 825903603 , 157747736 , 8609144647 , 9723772496
n×2
162024032
n×3
243036048
n×4
324048064
n×5
405060080
n÷2
40506008
n÷3
27004005.333333
n÷3
20253004
n÷5
16202403.2
n2
6562946736384256
n3
5.3167754601511E+23
n4
4.3072269864617E+31
n5
3.4893714154287E+39
2 √n
9000.6675308001
3 √n
432.69626518353
4 √n
94.871847936046
5 √n
38.168921434311
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81012015
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81012016 can be divided by 10 positive divisors.
The sum of these divisors (counting 81012016) is 1, the average is 0.1.
Base
System
Value
2
Binary
100110101000010010100110000
3
Ternary
12122102211121001
4
Quaternary
10311002110300
5
Quinary
131214341031
6
Senary
12012211344
8
Octal
465022460
10
Decimal
81012016
12
Duodecimal
23169b54
16
Hexadecimal
4d42530
20
Vigesimal
1566a0g
36
Base36
1c8d9s
md5
4661f901225bcfd1c2b285644735e92d
sha1
16d09a81b427012d12b53edc397f38079529aaff
sha256
ecbfac350fc9c2358283f53cc947f3b3e0d5ffa959a1ca84ee41758cc6ea5799
sha512
bb548fbc9678e429a6d33fce30b97f6cee5e4057f195fb05ef51966221918b01da20133e92d57b798f3160edb89e42cc48b5f38b1bc2df60e95f2df54d725d40
ripemd-160
dcc51fb2ca200f0a71250478aa6e95d25bdc688f
Diameter
162024032
Circumference
509013508.6362
Area
2.0618105252926E+16
Volume
2.227085696853E+24
Surface area
8.2472421011704E+16
Circumference
509013508.6362
Perimeter
324048064
Area
6562946736384256
Diagonal
114568291.74239
Surface area
39377680418305536
Volume
5.3167754601511E+23
Space diagonal
140316927.73558
Perimeter
243036048
Area
2.8418392986965E+15
Altitude
70158463.867791
Surface area
2.8418392986965E+15
Volume
6.2658799698651E+22
Height
38189430.580795