20144981 is an odd 8-digits composite number following 20144980
and preceding 20144982 . In scientific notation, it is written as 2.0144981 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 19653600 positive integers (up to 20144981) that are relatively prime to 20144981.
20144981 has 4 divisors, whose sum is 20636364
The reverse of 20144981 is 18944102
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-four thousand nine hundred eighty-one
Scientific notation
2.0144981 × 10^7
Engineering notation
2.0144981 × 10^6
Prime Factorization
41 × 491341
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20144981
Product of the distinct prime numbers
The prime factorization of 20144981 is 41 × 491341.
Since it has a total of 2 prime factors.
2 , 5 , 52 , 75 , 985 , 660 , 8745 , 4368 , 64131 , 8363 , 549251 , 643756 , 6715858 , 1616833 , 21637717 , 50862708 , 572661260 , 777069062 , 1767338493 , 7889423479
n×2
40289962
n×3
60434943
n×4
80579924
n×5
100724905
n÷2
10072490.5
n÷3
6714993.6666667
n÷3
5036245.25
n÷5
4028996.2
n2
405820259490361
n3
8.1752414168484E+21
n4
1.6469008301282E+29
n5
3.3176785931818E+36
2 √n
4488.3160539338
3 √n
272.09608143244
4 √n
66.99489573045
5 √n
28.895710158809
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
-20144980
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 20144981 can be divided by 4 positive divisors.
The sum of these divisors (counting 20144981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110001101010101
3
Ternary
1101220110201102
4
Quaternary
1030312031111
5
Quinary
20124114411
6
Senary
1555435445
8
Octal
114661525
10
Decimal
20144981
12
Duodecimal
68b5b85
16
Hexadecimal
1336355
20
Vigesimal
65i291
36
Base36
bzryt
md5
2b8f5f977c2ded3c4bd070771229062c
sha1
6793b71bdf916c4903984885299089cfc30862d1
sha256
bb9249d581a95e44bc567e574e068724c667b806ba856d2150d7a72a03188f2d
sha512
77da117362b2174ab623d9e6006e4177302df925089cdf45e0d39246c61e4f8d89824e4352d9ce54814e233bfcc4aa1570c89ee08ae078edec9d78c8e8806a78
ripemd-160
1bf7a5de20cb57d744d3533a1fe7944f594ea956
Diameter
40289962
Circumference
126574648.63261
Area
1.2749219458928E+15
Volume
3.4244371168659E+22
Surface area
5.0996877835713E+15
Circumference
126574648.63261
Perimeter
80579924
Area
405820259490361
Diagonal
28489305.343948
Surface area
2434921556942166
Volume
8.1752414168484E+21
Space diagonal
34892130.60951
Perimeter
60434943
Area
1.7572532704452E+14
Altitude
17446065.304755
Surface area
1.7572532704452E+14
Volume
9.634614406151E+20
Height
9496435.1146494