81293318 is an even 8-digits composite number following 81293317
and preceding 81293319 . In scientific notation, it is written as 8.1293318 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 40593304 positive integers (up to 81293318) that are relatively prime to 81293318.
81293318 has 8 divisors, whose sum is 122100048
The reverse of 81293318 is 81339218
Previous prime number is 773
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million two hundred ninety-three thousand three hundred eighteen
Scientific notation
8.1293318 × 10^7
Engineering notation
8.1293318 × 10^6
Prime Factorization
2 × 773 × 52583
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81293318
Product of the distinct prime numbers
The prime factorization of 81293318 is 2 × 773 × 52583.
Since it has a total of 3 prime factors.
3 , 5 , 60 , 93 , 564 , 154 , 8453 , 8596 , 82451 , 45785 , 402981 , 54114 , 5010286 , 7596305 , 32597041 , 52259857 , 554465189 , 855213176 , 6815236056 , 5813971819
n×2
162586636
n×3
243879954
n×4
325173272
n×5
406466590
n÷2
40646659
n÷3
27097772.666667
n÷3
20323329.5
n÷5
16258663.6
n2
6608603551449124
n3
5.3723531004388E+23
n4
4.3673640900226E+31
n5
3.5503751779199E+39
2 √n
9016.2807187887
3 √n
433.19651078125
4 √n
94.954097956795
5 √n
38.195391857897
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81293317
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81293318 can be divided by 8 positive divisors.
The sum of these divisors (counting 81293318) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110000111000000000110
3
Ternary
12122222010110122
4
Quaternary
10312013000012
5
Quinary
131302341233
6
Senary
12022221542
8
Octal
466070006
10
Decimal
81293318
12
Duodecimal
232848b2
16
Hexadecimal
4d87006
20
Vigesimal
1581d5i
36
Base36
1ceebq
md5
92dea3e307881b9d0a49ad5a18ef04da
sha1
bad91ac9b85432b0e6a0877b4dc3d5c17aaa1b3a
sha256
e45b2a79012a77c174cf3e5cc84b3e44273f2a090e2f66016da5f8d2788dd170
sha512
b57a52ba174f3393c741cc36a74620f62f544b72caf16578c71bd2c8f8d4c416aea7694663c66d4afd8e700f1e7455600ff4b43de619005ea64e5301ace5af96
ripemd-160
db31f3c075495a4638ef5529a92744648067e44a
Diameter
162586636
Circumference
510780981.22948
Area
2.076154036772E+16
Volume
2.2503660043772E+24
Surface area
8.304616147088E+16
Circumference
510780981.22948
Perimeter
325173272
Area
6608603551449124
Diagonal
114966112.84591
Surface area
39651621308694744
Volume
5.3723531004388E+23
Space diagonal
140804157.09185
Perimeter
243879954
Area
2.8616092795475E+15
Altitude
70402078.545927
Surface area
2.8616092795475E+15
Volume
6.3313788470815E+22
Height
38322037.615303