82661978 is an even 8-digits composite number following 82661977
and preceding 82661979 . In scientific notation, it is written as 8.2661978 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 35426556 positive integers (up to 82661978) that are relatively prime to 82661978.
82661978 has 8 divisors, whose sum is 141706272
The reverse of 82661978 is 87916628
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-two million six hundred sixty-one thousand nine hundred seventy-eight
Scientific notation
8.2661978 × 10^7
Engineering notation
8.2661978 × 10^6
Prime Factorization
2 × 7 × 5904427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
82661978
Product of the distinct prime numbers
The prime factorization of 82661978 is 2 × 7 × 5904427.
Since it has a total of 3 prime factors.
2 , 9 , 56 , 59 , 996 , 140 , 9425 , 2461 , 40125 , 23326 , 868392 , 399326 , 1389173 , 8512766 , 65066193 , 37170122 , 455462299 , 81493363 , 8334010926 , 1249324178
n×2
165323956
n×3
247985934
n×4
330647912
n×5
413309890
n÷2
41330989
n÷3
27553992.666667
n÷3
20665494.5
n÷5
16532395.6
n2
6833002606872484
n3
5.6482951116324E+23
n4
4.6689924625526E+31
n5
3.8594815222169E+39
2 √n
9091.8632853778
3 √n
435.61410247834
4 √n
95.351262631272
5 √n
38.323146435668
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
-82661977
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 82661978 can be divided by 8 positive divisors.
The sum of these divisors (counting 82661978) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011010101001001011010
3
Ternary
12202112122220202
4
Quaternary
10323111021122
5
Quinary
132130140403
6
Senary
12111422202
8
Octal
473251132
10
Decimal
82661978
12
Duodecimal
23824962
16
Hexadecimal
4ed525a
20
Vigesimal
15gceii
36
Base36
1d7qe2
md5
7abd3df5b1a9e92c1981201d67ac8009
sha1
91c7442e127fbeee4efe7740d84b5e10bd051ce8
sha256
3537a42d53fc194928c1ab47df80ed439c762fc905a9628f5a876a752b41b03b
sha512
1d625d9babcf4941cd12d5a2481493372e339955ace76875a5e5864227fc48ae9628805d3463240daa43b07480b7a9498b3ae0aec3b0aae1b1453b4fa6c71921
ripemd-160
fba5cd644419cd31f0445f7f124dbd7a96bd03ed
Diameter
165323956
Circumference
519380525.632
Area
2.146651079171E+16
Volume
2.3659523237348E+24
Surface area
8.5866043166842E+16
Circumference
519380525.632
Perimeter
330647912
Area
6833002606872484
Diagonal
116901690.38019
Surface area
40998015641234904
Volume
5.6482951116324E+23
Space diagonal
143174745.75014
Perimeter
247985934
Area
2.9587769208384E+15
Altitude
71587372.87507
Surface area
2.9587769208384E+15
Volume
6.6565796259634E+22
Height
38967230.126729