82661890 is an even 8-digits composite number following 82661889
and preceding 82661891 . In scientific notation, it is written as 8.2661890 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 31921344 positive integers (up to 82661890) that are relatively prime to 82661890.
82661890 has 16 divisors, whose sum is 129166200
The reverse of 82661890 is 09816628
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-two million six hundred sixty-one thousand eight hundred ninety
Scientific notation
8.2661890 × 10^7
Engineering notation
8.2661890 × 10^6
Prime Factorization
2 × 145 × 29 × 9829
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82661890
Product of the distinct prime numbers
The prime factorization of 82661890 is 2 × 145 × 29 × 9829.
Since it has a total of 4 prime factors.
8 , 7 , 83 , 23 , 848 , 493 , 8078 , 5905 , 7821 , 81009 , 622848 , 847852 , 5037395 , 9004603 , 7954026 , 13573557 , 620890080 , 870469712 , 1009253287 , 6436930840
n×2
165323780
n×3
247985670
n×4
330647560
n×5
413309450
n÷2
41330945
n÷3
27553963.333333
n÷3
20665472.5
n÷5
16532378
n2
6832988058372100
n3
5.6482770725247E+23
n4
4.6689725805856E+31
n5
3.8594609786938E+39
2 √n
9091.8584458844
3 √n
435.61394789677
4 √n
95.351237254083
5 √n
38.32313827608
1 , 2 , 29 , 58 , 145 , 290 , 4205 , 8410 , 9829 , 19658 , 285041 , 570082 , 1425205 , 2850410 , 41330945 , 82661890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82661889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82661890 can be divided by 16 positive divisors.
The sum of these divisors (counting 82661890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011010101001000000010
3
Ternary
12202112122210111
4
Quaternary
10323111020002
5
Quinary
132130140030
6
Senary
12111421534
8
Octal
473251002
10
Decimal
82661890
12
Duodecimal
238248aa
16
Hexadecimal
4ed5202
20
Vigesimal
15gceea
36
Base36
1d7qbm
md5
227a17afb6db7f2d51873175d914f045
sha1
1cfd782c1d047e05dac9916891bb238fff6ce0d6
sha256
f8f11d944274074e7d508d93ca9339ab5932ed13980d17dc5a51dc5b29a6da1b
sha512
b34152ca236d90b30884979e843ca355f83cb4f1f1bd74d3e9803aaa4f080cdfc3907d26447d0292d733524de16e8770ecffcb6aa85858632e3fa616b2a7a1b1
ripemd-160
59ee75bad3ce001134f6a2533fc6183dd8a6c2e1
Diameter
165323780
Circumference
519379972.7117
Area
2.1466465086249E+16
Volume
2.3659447675311E+24
Surface area
8.5865860344994E+16
Circumference
519379972.7117
Perimeter
330647560
Area
6832988058372100
Diagonal
116901565.92939
Surface area
40997928350232600
Volume
5.6482770725247E+23
Space diagonal
143174593.32967
Perimeter
247985670
Area
2.958770621153E+15
Altitude
71587296.664835
Surface area
2.958770621153E+15
Volume
6.6565583666712E+22
Height
38967188.643131