82142805 is an odd 8-digits composite number following 82142804
and preceding 82142806 . In scientific notation, it is written as 8.2142805 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 43748160 positive integers (up to 82142805) that are relatively prime to 82142805.
82142805 has 16 divisors, whose sum is 131612544
The reverse of 82142805 is 50824128
Previous prime number is 797
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-two million one hundred forty-two thousand eight hundred five
Scientific notation
8.2142805 × 10^7
Engineering notation
8.2142805 × 10^6
Prime Factorization
5 × 3 × 797 × 6871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82142805
Product of the distinct prime numbers
The prime factorization of 82142805 is 5 × 3 × 797 × 6871.
Since it has a total of 4 prime factors.
1 , 4 , 8 , 32 , 550 , 575 , 3149 , 3489 , 49516 , 25840 , 951255 , 291006 , 1721837 , 2699505 , 83253881 , 48133666 , 652824106 , 477020131 , 3804399750 , 8249635032
n×2
164285610
n×3
246428415
n×4
328571220
n×5
410714025
n÷2
41071402.5
n÷3
27380935
n÷3
20535701.25
n÷5
16428561
n2
6747440413268025
n3
5.5425368211619E+23
n4
4.5527952130603E+31
n5
3.7397936939134E+39
2 √n
9063.2667951462
3 √n
434.70020299615
4 √n
95.201191143526
5 √n
38.274885995822
1 , 3 , 5 , 15 , 797 , 2391 , 3985 , 6871 , 11955 , 20613 , 34355 , 103065 , 5476187 , 16428561 , 27380935 , 82142805
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
-82142804
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 82142805 can be divided by 16 positive divisors.
The sum of these divisors (counting 82142805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111001010110011001010101
3
Ternary
12201120021202010
4
Quaternary
10321112121111
5
Quinary
132012032210
6
Senary
12052334433
8
Octal
471263125
10
Decimal
82142805
12
Duodecimal
23614419
16
Hexadecimal
4e56655
20
Vigesimal
15d7h05
36
Base36
1cwlsl
md5
e26a52b33cef277931f6000aa019cca2
sha1
c0b07e8cc1817894c6a331e810f02f815c33b4e6
sha256
12b6c8bc3149e902806d2e03b03816d0d52e36ff05b140b6ecac6e03d43fc909
sha512
18004735214698d519955f46ece247ed4539bda3186d7bb206387d46aaec2ea6dcf978c8ee1079103d9a9d381df1ed04dd0d8c8432ed476e3621d8a6f5a1c495
ripemd-160
d9f68eadd236f980150f1f10ba419af6b764f713
Diameter
164285610
Circumference
516118465.46652
Area
2.1197709232858E+16
Volume
2.3216523946151E+24
Surface area
8.4790836931431E+16
Circumference
516118465.46652
Perimeter
328571220
Area
6747440413268025
Diagonal
116167468.88237
Surface area
40484642479608150
Volume
5.5425368211619E+23
Space diagonal
142275511.73622
Perimeter
246428415
Area
2.9217274042059E+15
Altitude
71137755.868111
Surface area
2.9217274042059E+15
Volume
6.5319422853662E+22
Height
38722489.627456