82785690 is an even 8-digits composite number following 82785689
and preceding 82785691 . In scientific notation, it is written as 8.2785690 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 20210688 positive integers (up to 82785690) that are relatively prime to 82785690.
82785690 has 32 divisors, whose sum is 137828880
The reverse of 82785690 is 09658728
Previous prime number is 409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-two million seven hundred eighty-five thousand six hundred ninety
Scientific notation
8.2785690 × 10^7
Engineering notation
8.2785690 × 10^6
Prime Factorization
2 × 45 × 13 × 409 × 173
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
82785690
Product of the distinct prime numbers
The prime factorization of 82785690 is 2 × 45 × 13 × 409 × 173.
Since it has a total of 5 prime factors.
2 , 5 , 21 , 81 , 522 , 900 , 206 , 2933 , 39670 , 38317 , 933220 , 42593 , 3254714 , 1423803 , 86955939 , 2584624 , 840426135 , 71403897 , 271513245 , 1190952145
n×2
165571380
n×3
248357070
n×4
331142760
n×5
413928450
n÷2
41392845
n÷3
27595230
n÷3
20696422.5
n÷5
16557138
n2
6853470468776100
n3
5.6736928165225E+23
n4
4.6970057466386E+31
n5
3.8884486166944E+39
2 √n
9098.6641876706
3 √n
435.83130766018
4 √n
95.386918325684
5 √n
38.334610466842
1 , 2 , 13 , 26 , 45 , 90 , 173 , 346 , 409 , 585 , 818 , 1170 , 2249 , 4498 , 5317 , 7785 , 10634 , 15570 , 18405 , 36810 , 70757 , 101205 , 141514 , 202410 , 239265 , 478530 , 919841 , 1839682 , 3184065 , 6368130 , 41392845 , 82785690
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
-82785689
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 82785690 can be divided by 32 positive divisors.
The sum of these divisors (counting 82785690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111011110011010110011010
3
Ternary
12202202221121200
4
Quaternary
10323303112122
5
Quinary
132143120230
6
Senary
12114215030
8
Octal
473632632
10
Decimal
82785690
12
Duodecimal
23884476
16
Hexadecimal
4ef359a
20
Vigesimal
15h844a
36
Base36
1dadui
md5
a4ad398db8e1a9bba99ca9d140a7b5ef
sha1
0a9b6afc03d8468d139bd7b48be161fafa9f426e
sha256
d592af28bd02ff4f1658503191e8fd30df051e402491a729a5b4539664089a10
sha512
cf3bc3797dce4346d358a2d67634c9ed579755da8f850b302e781315100926617c313aa9b641f360c115610c21f5b003887172cbe45cf2f94b34818555d19d57
ripemd-160
f82e08d07deaa0e53861d20bd59f6f0053338364
Diameter
165571380
Circumference
520157831.05272
Area
2.1530812476302E+16
Volume
2.3765908894816E+24
Surface area
8.6123249905206E+16
Circumference
520157831.05272
Perimeter
331142760
Area
6853470468776100
Diagonal
117076645.56841
Surface area
41120822812656600
Volume
5.6736928165225E+23
Space diagonal
143389021.21965
Perimeter
248357070
Area
2.9676397650233E+15
Altitude
71694510.609823
Surface area
2.9676397650233E+15
Volume
6.6865111082208E+22
Height
39025548.522805