82661891 is an odd 8-digits composite number following 82661890
and preceding 82661892 . In scientific notation, it is written as 8.2661891 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 75009312 positive integers (up to 82661891) that are relatively prime to 82661891.
82661891 has 8 divisors, whose sum is 90530160
The reverse of 82661891 is 19816628
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-two million six hundred sixty-one thousand eight hundred ninety-one
Scientific notation
8.2661891 × 10^7
Engineering notation
8.2661891 × 10^6
Prime Factorization
13 × 59 × 107773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
82661891
Product of the distinct prime numbers
The prime factorization of 82661891 is 13 × 59 × 107773.
Since it has a total of 3 prime factors.
1 , 4 , 13 , 10 , 368 , 779 , 7887 , 2441 , 74467 , 12574 , 95244 , 469972 , 7015206 , 4234796 , 40668615 , 13905083 , 835987031 , 922255586 , 3401254244 , 4047021370
n×2
165323782
n×3
247985673
n×4
330647564
n×5
413309455
n÷2
41330945.5
n÷3
27553963.666667
n÷3
20665472.75
n÷5
16532378.2
n2
6832988223695881
n3
5.6482772775143E+23
n4
4.6689728065167E+31
n5
3.8594612121424E+39
2 √n
9091.8585008787
3 √n
435.61394965338
4 √n
95.35123754246
5 √n
38.323138368802
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
-82661890
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 82661891 can be divided by 8 positive divisors.
The sum of these divisors (counting 82661891) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011010101001000000011
3
Ternary
12202112122210112
4
Quaternary
10323111020003
5
Quinary
132130140031
6
Senary
12111421535
8
Octal
473251003
10
Decimal
82661891
12
Duodecimal
238248ab
16
Hexadecimal
4ed5203
20
Vigesimal
15gceeb
36
Base36
1d7qbn
md5
79f47306662a4da2f968704a6b3d0de6
sha1
fcbac88087551dda4425638db8e77405d4219cad
sha256
54025443bb36d2950c00523cce892eb4b2bc847284ce46a9174a21a3733c00aa
sha512
dca147b6a4b131c5bbe61ee0a026d9a0b3893eea83096ec4ccdb6d402183f40a4448fcf4daebed737609b7bcf5577b2be81c745f93ed6f9122db3b4bcb92968b
ripemd-160
1e93bfab43c1523b7e8db78878915171641383f8
Diameter
165323782
Circumference
519379978.99488
Area
2.1466465605629E+16
Volume
2.365944853397E+24
Surface area
8.5865862422514E+16
Circumference
519379978.99488
Perimeter
330647564
Area
6832988223695881
Diagonal
116901567.34361
Surface area
40997929342175286
Volume
5.6482772775143E+23
Space diagonal
143174595.06172
Perimeter
247985673
Area
2.9587706927403E+15
Altitude
71587297.53086
Surface area
2.9587706927403E+15
Volume
6.6565586082538E+22
Height
38967189.114535