20449871 is an odd 8-digits composite number following 20449870
and preceding 20449872 . In scientific notation, it is written as 2.0449871 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 17883072 positive integers (up to 20449871) that are relatively prime to 20449871.
20449871 has 8 divisors, whose sum is 23182320
The reverse of 20449871 is 17894402
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million four hundred forty-nine thousand eight hundred seventy-one
Scientific notation
2.0449871 × 10^7
Engineering notation
2.0449871 × 10^6
Prime Factorization
13 × 19 × 82793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20449871
Product of the distinct prime numbers
The prime factorization of 20449871 is 13 × 19 × 82793.
Since it has a total of 3 prime factors.
7 , 9 , 40 , 80 , 754 , 285 , 7110 , 1926 , 27483 , 41504 , 35021 , 602117 , 9380982 , 4703796 , 53183833 , 58912621 , 628827584 , 103216039 , 1548432464 , 4515850820
n×2
40899742
n×3
61349613
n×4
81799484
n×5
102249355
n÷2
10224935.5
n÷3
6816623.6666667
n÷3
5112467.75
n÷5
4089974.2
n2
418197223916641
n3
8.5520792816534E+21
n4
1.7488891809159E+29
n5
3.5764558143025E+36
2 √n
4522.153358744
3 √n
273.46191930597
4 √n
67.246957988775
5 √n
28.98265148933
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
-20449870
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 20449871 can be divided by 8 positive divisors.
The sum of these divisors (counting 20449871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000000101001001111
3
Ternary
1102110221221122
4
Quaternary
1032000221033
5
Quinary
20213343441
6
Senary
2010151155
8
Octal
116005117
10
Decimal
20449871
12
Duodecimal
6a224bb
16
Hexadecimal
1380a4f
20
Vigesimal
67g4db
36
Base36
c6b7z
md5
49e199b365b11d62381bac12e55619e8
sha1
bfbda4e61b61c04ebc066352ac018119e95d8862
sha256
f4d80d363841c55b087e1a22ac02fb135ed2970564484719dc3530a704b72b91
sha512
acd7834a30cf7f5748bd9ca71749f55f06ca034a84a274a7ff6856b0e7a274f3b80fca8e55b55683028072419f8bac4c524961c92b31b37c56f49845c5f80e8e
ripemd-160
28bcd49500e52d73998d94235ff5d120f5f99a23
Diameter
40899742
Circumference
128490329.00092
Area
1.3138053264082E+15
Volume
3.5822865925546E+22
Surface area
5.2552213056327E+15
Circumference
128490329.00092
Perimeter
81799484
Area
418197223916641
Diagonal
28920484.91698
Surface area
2509183343499846
Volume
8.5520792816534E+21
Space diagonal
35420215.580229
Perimeter
61349613
Area
1.8108470985197E+14
Altitude
17710107.790115
Surface area
1.8108470985197E+14
Volume
1.0078722088837E+21
Height
9640161.6389934