820128085 is an odd 9-digits composite number following 820128084
and preceding 820128086 . In scientific notation, it is written as 8.20128085 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 562125888 positive integers (up to 820128085) that are relatively prime to 820128085.
820128085 has 8 divisors, whose sum is 843931872
The reverse of 820128085 is 580821028
Previous prime number is 3373
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
eight hundred twenty million one hundred twenty-eight thousand eighty-five
Scientific notation
8.20128085 × 10^8
Engineering notation
8.20128085 × 10^6
Prime Factorization
35 × 3373 × 6947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
820128085
Product of the distinct prime numbers
The prime factorization of 820128085 is 35 × 3373 × 6947.
Since it has a total of 3 prime factors.
8 , 3 , 55 , 10 , 48 , 871 , 3403 , 2931 , 96784 , 73803 , 478935 , 447623 , 7660831 , 7021819 , 38313817 , 58382590 , 174367393 , 483835397 , 1316433122 , 9055625237
n×2
1640256170
n×3
2460384255
n×4
3280512340
n×5
4100640425
n÷2
410064042.5
n÷3
273376028.33333
n÷3
205032021.25
n÷5
164025617
n2
672610075805767225
n3
5.5162641342229E+26
n4
4.5240431407544E+35
n5
3.7102948374843E+44
2 √n
28637.878500336
3 √n
936.03889404515
4 √n
169.22729833078
5 √n
60.642393878844
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-820128084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820128085 can be divided by 8 positive divisors.
The sum of these divisors (counting 820128085) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111000100010100101010101
3
Ternary
2010011012211020021
4
Quaternary
300320202211111
5
Quinary
3134423044320
6
Senary
213214105141
8
Octal
6070424525
10
Decimal
820128085
12
Duodecimal
1aa7ab1b1
16
Hexadecimal
30e22955
20
Vigesimal
cg5g045
36
Base36
dka6vp
md5
2794e2b035c10f16c7171f53e8ad7951
sha1
7be04591597d0888cf109bc428cf76455b3f3396
sha256
9040e488a84d2a5c7311228db3a850d51e137fbda6c381822e1924a7aed3c2bc
sha512
973ba274211658e06d8818e4a843ccd9010a1b1741319b65c46fcfd6d655933f5ad6f37eadd6be44646c0d78af447d63c4e85cd2043a66497a0f48cd55644b1d
ripemd-160
f39e36bf87fd22a11449622f4d5e8c14242d6f47
Diameter
1640256170
Circumference
5153016733.6773
Area
2.1130668728819E+18
Volume
2.3106473172447E+27
Surface area
8.4522674915275E+18
Circumference
5153016733.6773
Perimeter
3280512340
Area
672610075805767225
Diagonal
1159836260.6901
Surface area
4035660454834603350
Volume
5.5162641342229E+26
Space diagonal
1420503511.9342
Perimeter
2460384255
Area
2.9124870624459E+17
Altitude
710251755.96708
Surface area
2.9124870624459E+17
Volume
6.5009796268752E+25
Height
386612086.89669