82165720 is an even 8-digits composite number following 82165719
and preceding 82165721 . In scientific notation, it is written as 8.2165720 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 26002944 positive integers (up to 82165720) that are relatively prime to 82165720.
82165720 has 32 divisors, whose sum is 170659440
The reverse of 82165720 is 02756128
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-two million one hundred sixty-five thousand seven hundred twenty
Scientific notation
8.2165720 × 10^7
Engineering notation
8.2165720 × 10^6
Prime Factorization
2 × 2 × 2 × 35 × 13 × 22573
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20541430
Product of the distinct prime numbers
The prime factorization of 82165720 is 2 × 2 × 2 × 35 × 13 × 22573.
Since it has a total of 6 prime factors.
1 , 8 , 60 , 48 , 610 , 77 , 1959 , 7640 , 39107 , 57076 , 151229 , 105466 , 918576 , 3098294 , 91841805 , 77771874 , 654864736 , 550999102 , 450483682 , 4370895427
n×2
164331440
n×3
246497160
n×4
328662880
n×5
410828600
n÷2
41082860
n÷3
27388573.333333
n÷3
20541430
n÷5
16433144
n2
6751205543118400
n3
5.5471766431831E+23
n4
4.5578776285433E+31
n5
3.7450129702115E+39
2 √n
9064.530875892
3 √n
434.74062134247
4 √n
95.207829908532
5 √n
38.277021231307
1 , 2 , 4 , 8 , 13 , 26 , 35 , 52 , 70 , 104 , 140 , 280 , 455 , 910 , 1820 , 3640 , 22573 , 45146 , 90292 , 180584 , 293449 , 586898 , 790055 , 1173796 , 1580110 , 2347592 , 3160220 , 6320440 , 10270715 , 20541430 , 41082860 , 82165720
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82165719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82165720 can be divided by 32 positive divisors.
The sum of these divisors (counting 82165720) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111001011011111111011000
3
Ternary
12201121110011211
4
Quaternary
10321123333120
5
Quinary
132013300340
6
Senary
12053032504
8
Octal
471337730
10
Decimal
82165720
12
Duodecimal
23625734
16
Hexadecimal
4e5bfd8
20
Vigesimal
15dae60
36
Base36
1cx3h4
md5
718c712ebcde9e79442963bbbd76dcb9
sha1
7064ef8bba0e922b8b9e946bf56fe9854695af45
sha256
a56e6bd1f42090803e2fe185f2f76a14cec05553f9686cd0c38cb60a3da8f0c5
sha512
c15695cbe31f78c77b62af59544fc144d13fb12be056b1011bca9b876f5426d1943bfffcc1b41da38681b55b601323f73b7d9af0891087d0f60b0194f111a11b
ripemd-160
4333c49a4474cba5548b7f3a639bb847a2ef055e
Diameter
164331440
Circumference
516262444.65783
Area
2.1209537737135E+16
Volume
2.3235959187185E+24
Surface area
8.4838150948542E+16
Circumference
516262444.65783
Perimeter
328662880
Area
6751205543118400
Diagonal
116199875.58615
Surface area
40507233258710400
Volume
5.5471766431831E+23
Space diagonal
142315201.68048
Perimeter
246497160
Area
2.9233577532554E+15
Altitude
71157600.840239
Surface area
2.9233577532554E+15
Volume
6.5374103680574E+22
Height
38733291.86205