81736668 is an even 8-digits composite number following 81736667
and preceding 81736669 . In scientific notation, it is written as 8.1736668 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 25149312 positive integers (up to 81736668) that are relatively prime to 81736668.
81736668 has 24 divisors, whose sum is 163010400
The reverse of 81736668 is 86663718
Previous prime number is 9
Is Prime? no Number parity even Number length 8 Sum of Digits 45 Digital Root 9
Name
eighty-one million seven hundred thirty-six thousand six hundred sixty-eight
Scientific notation
8.1736668 × 10^7
Engineering notation
8.1736668 × 10^6
Prime Factorization
2 × 2 × 39 × 9 × 58217
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
40868334 Product of the distinct prime numbers
The prime factorization of 81736668 is 2 × 2 × 39 × 9 × 58217.
Since it has a total of 5 prime factors.
10 , 1 , 12 , 20 , 827 , 287 , 3292 , 7257 , 75219 , 27802 , 137737 , 701751 , 6115880 , 8565060 , 88196335 , 61745108 , 907502447 , 38488636 , 2690778917 , 4123525295
n×2
163473336
n×3
245210004
n×4
326946672
n×5
408683340
n÷2
40868334
n÷3
27245556
n÷3
20434167
n÷5
16347333.6
n2
6680882895742224
n3
5.4607310719616E+23
n4
4.4634196266621E+31
n5
3.6482504816916E+39
2 √n9040.8333686669
3 √n433.98259254722
4 √n95.083297001455
5 √n38.236962571801
1 , 2 , 4 , 9 , 18 , 36 , 39 , 78 , 156 , 351 , 702 , 1404 , 58217 , 116434 , 232868 , 523953 , 1047906 , 2095812 , 2270463 , 4540926 , 9081852 , 20434167 , 40868334 , 81736668
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
-81736667 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 81736668 can be divided by 24 positive divisors.
The sum of these divisors (counting 81736668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111110011001111011100
3
Ternary
12200210122122000
4
Quaternary
10313303033130
5
Quinary
131411033133
6
Senary
12035522300
8
Octal
467631734
10
Decimal
81736668
12
Duodecimal
23459390
16
Hexadecimal
4df33dc
20
Vigesimal
15ah1d8
36
Base36
1cnwf0
md5
b34fba7e1c86f946844790b862e6311a
sha1
c87b1e738a0b9dbb97839ac90022f2d3c1f92490
sha256
41a1b729ca81f51fe3e7d5d64f6cfa50d16fd7a79eb96d9484f085e6022d731f
sha512
c41a68ef6348495eac13f6486c31e0d4cfa4092f9ef97484c160626ff8b6defa7eca406600a82c33df3a5acb6ee5f3957c4251b93a57cf670454565a9b2f9ec5
ripemd-160
32a7be7a8829b69f28369bd68c39e398c133adfe
Diameter
163473336
Circumference
513566631.43542
Area
2.0988612624757E+16
Volume
2.2873856825205E+24
Surface area
8.395445049903E+16
Circumference
513566631.43542
Perimeter
326946672
Area
6680882895742224
Diagonal
115593104.42879
Surface area
40085297374453344
Volume
5.4607310719616E+23
Space diagonal
141572061.81739
Perimeter
245210004
Area
2.8929071537109E+15
Altitude
70786030.908695
Surface area
2.8929071537109E+15
Volume
6.4355332853669E+22
Height
38531034.809596