82661681 is an odd 8-digits prime number following 82661680
and preceding 82661682 . In scientific notation, it is written as 8.2661681 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 82661680 positive integers (up to 82661681) that are relatively prime to 82661681.
82661681 has 2 divisors, whose sum is 82661682
The reverse of 82661681 is 18616628
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-two million six hundred sixty-one thousand six hundred eighty-one
Scientific notation
8.2661681 × 10^7
Engineering notation
8.2661681 × 10^6
Prime Factorization
82661681
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
82661681
Product of the distinct prime numbers
The prime factorization of 82661681 is 82661681.
Since it has a total of 1 prime factors.
4 , 3 , 82 , 71 , 189 , 298 , 6823 , 6441 , 44042 , 98221 , 802846 , 40984 , 708100 , 5370244 , 61594579 , 56642895 , 565471643 , 46185328 , 4893402669 , 3727918482
n×2
165323362
n×3
247985043
n×4
330646724
n×5
413308405
n÷2
41330840.5
n÷3
27553893.666667
n÷3
20665420.25
n÷5
16532336.2
n2
6832953505745761
n3
5.6482342297979E+23
n4
4.6689253611683E+31
n5
3.8594121881771E+39
2 √n
9091.8469520774
3 √n
435.6135807651
4 √n
95.351176983179
5 √n
38.323118897031
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
82661682
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
41330841
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9091.8470070718
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999975805
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82661681 can be divided by 2 positive divisors.
The sum of these divisors (counting 82661681) is 82661682, the average is 41330841.
Base
System
Value
2
Binary
100111011010101000100110001
3
Ternary
12202112122111202
4
Quaternary
10323111010301
5
Quinary
132130133211
6
Senary
12111420545
8
Octal
473250461
10
Decimal
82661681
12
Duodecimal
23824755
16
Hexadecimal
4ed5131
20
Vigesimal
15gce41
36
Base36
1d7q5t
md5
a7439cd3df2521e0b192525e7fee60ac
sha1
46baab7c41dc3d4b218843c124e5522bed447171
sha256
a0240a18f840cd45592791281c098194816083afcd17e07d7da852a8fffba989
sha512
641ca8d8920d66a07dde7c5c57dfb6b45755f6b1abcc025e5d46ecb3a740d2f17b396740f12c64cc885ac5591b936ff0868d68424049a824d5f4ca0c310916dd
ripemd-160
92ff4be2c508752ce9dce9a9212d830408fa18fa
Diameter
165323362
Circumference
519378659.52597
Area
2.1466356535972E+16
Volume
2.3659268216117E+24
Surface area
8.5865426143886E+16
Circumference
519378659.52597
Perimeter
330646724
Area
6832953505745761
Diagonal
116901270.35876
Surface area
40997721034474566
Volume
5.6482342297979E+23
Space diagonal
143174231.33105
Perimeter
247985043
Area
2.9587556594269E+15
Altitude
71587115.665525
Surface area
2.9587556594269E+15
Volume
6.6565078760334E+22
Height
38967090.119586