20405874 is an even 8-digits composite number following 20405873
and preceding 20405875 . In scientific notation, it is written as 2.0405874 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6580680 positive integers (up to 20405874) that are relatively prime to 20405874.
20405874 has 24 divisors, whose sum is 42182640
The reverse of 20405874 is 47850402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred five thousand eight hundred seventy-four
Scientific notation
2.0405874 × 10^7
Engineering notation
2.0405874 × 10^6
Prime Factorization
2 × 3 × 31 × 31 × 3539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
658254
Product of the distinct prime numbers
The prime factorization of 20405874 is 2 × 3 × 31 × 31 × 3539.
Since it has a total of 5 prime factors.
5 , 1 , 69 , 14 , 807 , 108 , 8106 , 7546 , 41925 , 9009 , 177622 , 849915 , 8640485 , 5851916 , 9050436 , 8480643 , 710405473 , 877764179 , 6034541847 , 369046387
n×2
40811748
n×3
61217622
n×4
81623496
n×5
102029370
n÷2
10202937
n÷3
6801958
n÷3
5101468.5
n÷5
4081174.8
n2
416399693703876
n3
8.4969996833599E+21
n4
1.7338870491668E+29
n5
3.538148065553E+36
2 √n
4517.2861321816
3 √n
273.26566472146
4 √n
67.210759050777
5 √n
28.970169762597
1 , 2 , 3 , 6 , 31 , 62 , 93 , 186 , 961 , 1922 , 2883 , 3539 , 5766 , 7078 , 10617 , 21234 , 109709 , 219418 , 329127 , 658254 , 3400979 , 6801958 , 10202937 , 20405874
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405873
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405874 can be divided by 24 positive divisors.
The sum of these divisors (counting 20405874) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110101111001110010
3
Ternary
1102101201121010
4
Quaternary
1031311321302
5
Quinary
20210441444
6
Senary
2005211350
8
Octal
115657162
10
Decimal
20405874
12
Duodecimal
6a00b56
16
Hexadecimal
1375e72
20
Vigesimal
67aede
36
Base36
c5d9u
md5
c3f8a749a6e70bf3c40e44f84da0727b
sha1
595b1ec64f2ab25a307aada0605d829f9ee6c59d
sha256
38af32430ffbdb1825c5e583eea39cde285f349983847a60a0746726dd46ef91
sha512
b871f42f01a0b52cea814d29039c9594c45070c6244be078364a9cde4780656d8de48d4f13cf305c20d7835650f18061d4099b6fc6fd71d46459dbf98e80c376
ripemd-160
7a794af9a389cf7afd384e67706afa1794fcd8b6
Diameter
40811748
Circumference
128213887.69696
Area
1.3081582186971E+15
Volume
3.5592149043731E+22
Surface area
5.2326328747885E+15
Circumference
128213887.69696
Perimeter
81623496
Area
416399693703876
Diagonal
28858263.762877
Surface area
2498398162223256
Volume
8.4969996833599E+21
Space diagonal
35344010.540849
Perimeter
61217622
Area
1.8030635643781E+14
Altitude
17672005.270424
Surface area
1.8030635643781E+14
Volume
1.001381015974E+21
Height
9619421.2542922