820139 is an odd 6-digits composite number following 820138
and preceding 820140 . In scientific notation, it is written as 8.20139 × 10^5.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 801024 positive integers (up to 820139) that are relatively prime to 820139.
820139 has 4 divisors, whose sum is 839256
The reverse of 820139 is 931028
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 23
Digital Root 5
Name
eight hundred twenty thousand one hundred thirty-nine
Scientific notation
8.20139 × 10^5
Engineering notation
8.20139 × 10^3
Prime Factorization
43 × 19073
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
820139
Product of the distinct prime numbers
The prime factorization of 820139 is 43 × 19073.
Since it has a total of 2 prime factors.
1 , 9 , 40 , 58 , 518 , 198 , 4583 , 9423 , 28966 , 89919 , 411357 , 897238 , 6788877 , 5512171 , 43032925 , 51369346 , 220266799 , 693819601 , 6181638476 , 3880721153
n×2
1640278
n×3
2460417
n×4
3280556
n×5
4100695
n÷2
410069.5
n÷3
273379.66666667
n÷3
205034.75
n÷5
164027.8
n2
672627979321
n3
551648438332345619
n4
4.5242839856545E+23
n5
3.7105417437107E+29
2 √n
905.61526047213
3 √n
93.604304657506
4 √n
30.09344215061
5 √n
15.232721181672
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-820138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820139 can be divided by 4 positive divisors.
The sum of these divisors (counting 820139) is 1, the average is 0.25.
Base
System
Value
2
Binary
11001000001110101011
3
Ternary
1112200000112
4
Quaternary
3020032223
5
Quinary
202221024
6
Senary
25324535
8
Octal
3101653
10
Decimal
820139
12
Duodecimal
33674b
16
Hexadecimal
c83ab
20
Vigesimal
52a6j
36
Base36
hktn
md5
a30d0bc6792e9284fcb5dac1414ebed3
sha1
033d7b11123b0860e88b4d14bb44ea193961ba5d
sha256
bed0d5d0273c6b9484657c77a36da98242e50a2998f33aa644e24d8f032a7211
sha512
2a3c85fa3e02824d3908c69bd17718ac96437259d1f5c0046e11cacc6839adb220905c573c34cef96e6bb9144785394f80060066a9c9c64139d216da3c9b66ac
ripemd-160
6a992f6b8b3f202f36c58d5887d968df2332d932
Diameter
1640278
Circumference
5153085.314645
Area
2113123118433.8
Volume
2.3107395749722E+18
Surface area
8452492473735.2
Circumference
5153085.314645
Perimeter
3280556
Area
672627979321
Diagonal
1159851.6968311
Surface area
4035767875926
Volume
551648438332345619
Space diagonal
1420522.4172687
Perimeter
2460417
Area
291256458694.09
Altitude
710261.20863437
Surface area
291256458694.09
Volume
6.5012391929295E+16
Height
386617.23227704