82801985 is an odd 8-digits composite number following 82801984
and preceding 82801986 . In scientific notation, it is written as 8.2801985 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 53148672 positive integers (up to 82801985) that are relatively prime to 82801985.
82801985 has 32 divisors, whose sum is 120890880
The reverse of 82801985 is 58910828
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-two million eight hundred one thousand nine hundred eighty-five
Scientific notation
8.2801985 × 10^7
Engineering notation
8.2801985 × 10^6
Prime Factorization
7 × 17 × 5 × 317 × 439
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
82801985
Product of the distinct prime numbers
The prime factorization of 82801985 is 7 × 17 × 5 × 317 × 439.
Since it has a total of 5 prime factors.
9 , 5 , 29 , 75 , 932 , 674 , 3188 , 283 , 70624 , 99349 , 383913 , 682034 , 9086175 , 9023836 , 61354148 , 46307857 , 863146779 , 391747455 , 6595246188 , 6613622632
n×2
165603970
n×3
248405955
n×4
331207940
n×5
414009925
n÷2
41400992.5
n÷3
27600661.666667
n÷3
20700496.25
n÷5
16560397
n2
6856168719940225
n3
5.6770437950596E+23
n4
4.7007049516287E+31
n5
3.8922770089418E+39
2 √n
9099.5596047281
3 √n
435.85990118984
4 √n
95.391611815338
5 √n
38.336119455416
1 , 5 , 7 , 17 , 35 , 85 , 119 , 317 , 439 , 595 , 1585 , 2195 , 2219 , 3073 , 5389 , 7463 , 11095 , 15365 , 26945 , 37315 , 37723 , 52241 , 139163 , 188615 , 261205 , 695815 , 974141 , 2365771 , 4870705 , 11828855 , 16560397 , 82801985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82801984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82801985 can be divided by 32 positive divisors.
The sum of these divisors (counting 82801985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111011110111010101000001
3
Ternary
12202210202222012
4
Quaternary
10323313111001
5
Quinary
132144130420
6
Senary
12114422305
8
Octal
473672501
10
Decimal
82801985
12
Duodecimal
23891995
16
Hexadecimal
4ef7541
20
Vigesimal
15ha4j5
36
Base36
1daqf5
md5
99f1ceec1a2d7862fac643e7c1fb034b
sha1
e72ba646b42bb53b64633827624a61ccbbd8c13c
sha256
7cf78f9dbab4480df897c328c7b0eb007cc737bbba9ac7e46392da39ac8b4024
sha512
6b0cb011d9f8eb64fff199adc0620b14371c38791af56f2d627831bd2b9f3a5b47cd7b77acb7569b505aa6b0db8c12d19d582c2e83206586adaadab899ec9018
ripemd-160
dcfeeb760c4b6d88b6f60f05e62cd0554f4da8bc
Diameter
165603970
Circumference
520260215.5573
Area
2.1539289282336E+16
Volume
2.3779945440889E+24
Surface area
8.6157157129345E+16
Circumference
520260215.5573
Perimeter
331207940
Area
6856168719940225
Diagonal
117099690.17841
Surface area
41137012319641350
Volume
5.6770437950596E+23
Space diagonal
143417244.98756
Perimeter
248405955
Area
2.9688081420502E+15
Altitude
71708622.493778
Surface area
2.9688081420502E+15
Volume
6.6904602742994E+22
Height
39033230.059471