20180839 is an odd 8-digits composite number following 20180838
and preceding 20180840 . In scientific notation, it is written as 2.0180839 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 16498944 positive integers (up to 20180839) that are relatively prime to 20180839.
20180839 has 16 divisors, whose sum is 24148800
The reverse of 20180839 is 93808102
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred eighty thousand eight hundred thirty-nine
Scientific notation
2.0180839 × 10^7
Engineering notation
2.0180839 × 10^6
Prime Factorization
7 × 29 × 89 × 1117
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20180839
Product of the distinct prime numbers
The prime factorization of 20180839 is 7 × 29 × 89 × 1117.
Since it has a total of 4 prime factors.
4 , 7 , 84 , 13 , 610 , 711 , 3651 , 7523 , 75022 , 78053 , 416533 , 770020 , 5043499 , 5208242 , 52900791 , 64994980 , 489007396 , 129400326 , 1310247955 , 9756920321
n×2
40361678
n×3
60542517
n×4
80723356
n×5
100904195
n÷2
10090419.5
n÷3
6726946.3333333
n÷3
5045209.75
n÷5
4036167.8
n2
407266262743921
n3
8.2189748785668E+21
n4
1.658658087694E+29
n5
3.3473111823801E+36
2 √n
4492.3088718386
3 √n
272.25742911452
4 √n
67.024688524742
5 √n
28.905989696226
1 , 7 , 29 , 89 , 203 , 623 , 1117 , 2581 , 7819 , 18067 , 32393 , 99413 , 226751 , 695891 , 2882977 , 20180839
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
-20180838
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 20180839 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180839) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110111101100111
3
Ternary
1101222021220111
4
Quaternary
1030332331213
5
Quinary
20131241324
6
Senary
2000313451
8
Octal
114767547
10
Decimal
20180839
12
Duodecimal
6912887
16
Hexadecimal
133ef67
20
Vigesimal
662c1j
36
Base36
c0jmv
md5
0050d6229dd819c8db7df16c8a336dbe
sha1
3912f9876e7104e647d4e7c52feb1d824168fbd7
sha256
2b80464183450d8c34b4252f0d6d7c7e6be674f8ea74b8d280430407f1efeb0b
sha512
f6b6f19436170ba397ea07223ba4c988f3062407f9312ebffaec41e93ae277b1052db278b1031ca218c2d990fe7b676ba49b5a65a444ca9492fcbb2e75eac73b
ripemd-160
1f491781f2893e64e53e7ffa7fe74ed58d3e68b0
Diameter
40361678
Circumference
126799951.09136
Area
1.2794646990913E+15
Volume
3.4427561464726E+22
Surface area
5.1178587963651E+15
Circumference
126799951.09136
Perimeter
80723356
Area
407266262743921
Diagonal
28540016.213868
Surface area
2443597576463526
Volume
8.2189748785668E+21
Space diagonal
34954238.487367
Perimeter
60542517
Area
1.7635146482029E+14
Altitude
17477119.243684
Surface area
1.7635146482029E+14
Volume
9.6861547850607E+20
Height
9513338.737956