82661581 is an odd 8-digits composite number following 82661580
and preceding 82661582 . In scientific notation, it is written as 8.2661581 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 82629792 positive integers (up to 82661581) that are relatively prime to 82661581.
82661581 has 4 divisors, whose sum is 82693372
The reverse of 82661581 is 18516628
Previous prime number is 2857
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-two million six hundred sixty-one thousand five hundred eighty-one
Scientific notation
8.2661581 × 10^7
Engineering notation
8.2661581 × 10^6
Prime Factorization
2857 × 28933
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82661581
Product of the distinct prime numbers
The prime factorization of 82661581 is 2857 × 28933.
Since it has a total of 2 prime factors.
1 , 8 , 8 , 100 , 432 , 966 , 1903 , 8477 , 71446 , 59432 , 719573 , 603102 , 6980186 , 366047 , 47402290 , 96818392 , 581228815 , 779112116 , 9567028927 , 4176304809
n×2
165323162
n×3
247984743
n×4
330646324
n×5
413307905
n÷2
41330790.5
n÷3
27553860.333333
n÷3
20665395.25
n÷5
16532316.2
n2
6832936973419561
n3
5.6482137309622E+23
n4
4.6689027682724E+31
n5
3.8593888436067E+39
2 √n
9091.8414526431
3 √n
435.6134051038
4 √n
95.351148145385
5 √n
38.323109624745
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82661580
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82661581 can be divided by 4 positive divisors.
The sum of these divisors (counting 82661581) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011010101000011001101
3
Ternary
12202112122101001
4
Quaternary
10323111003031
5
Quinary
132130132311
6
Senary
12111420301
8
Octal
473250315
10
Decimal
82661581
12
Duodecimal
23824691
16
Hexadecimal
4ed50cd
20
Vigesimal
15gcdj1
36
Base36
1d7q31
md5
c623d10c6d3a7d22ccc488d0cd9360e4
sha1
d98519cfbc8fb51ab3648ab81128c9a1d0b1d118
sha256
02cc60c58ab09110b4e59dbd286a6bb6ada73a5396efcf361a9c2caabe8e5b1d
sha512
defed2f09631cfb609a9c57a05cf04f1df292f6b66ee59929c49e08e21e427ed752d980e1a75f41ef139086625ec422a5e5e323edada8e072110f56feee1cc6a
ripemd-160
2ba287275a34308581ea78de7230396755599747
Diameter
165323162
Circumference
519378031.20744
Area
2.1466304598137E+16
Volume
2.3659182350794E+24
Surface area
8.5865218392548E+16
Circumference
519378031.20744
Perimeter
330646324
Area
6832936973419561
Diagonal
116901128.9374
Surface area
40997621840517366
Volume
5.6482137309622E+23
Space diagonal
143174058.12597
Perimeter
247984743
Area
2.9587485007196E+15
Altitude
71587029.062985
Surface area
2.9587485007196E+15
Volume
6.6564837179239E+22
Height
38967042.979134