20449895 is an odd 8-digits composite number following 20449894
and preceding 20449896 . In scientific notation, it is written as 2.0449895 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 15397504 positive integers (up to 20449895) that are relatively prime to 20449895.
20449895 has 4 divisors, whose sum is 20690568
The reverse of 20449895 is 59894402
Previous prime number is 85
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million four hundred forty-nine thousand eight hundred ninety-five
Scientific notation
2.0449895 × 10^7
Engineering notation
2.0449895 × 10^6
Prime Factorization
85 × 240587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20449895
Product of the distinct prime numbers
The prime factorization of 20449895 is 85 × 240587.
Since it has a total of 2 prime factors.
6 , 6 , 99 , 11 , 262 , 126 , 5785 , 7293 , 38290 , 49801 , 181914 , 830334 , 305739 , 177912 , 84749431 , 74888953 , 798445648 , 593744433 , 4163449705 , 6562568776
n×2
40899790
n×3
61349685
n×4
81799580
n×5
102249475
n÷2
10224947.5
n÷3
6816631.6666667
n÷3
5112473.75
n÷5
4089979
n2
418198205511025
n3
8.5521093918889E+21
n4
1.7488973909264E+29
n5
3.5764768010219E+36
2 √n
4522.1560123463
3 √n
273.46202628438
4 √n
67.246977719049
5 √n
28.982658292144
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
-20449894
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 20449895 can be divided by 4 positive divisors.
The sum of these divisors (counting 20449895) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000000101001100111
3
Ternary
1102110221222112
4
Quaternary
1032000221213
5
Quinary
20213344040
6
Senary
2010151235
8
Octal
116005147
10
Decimal
20449895
12
Duodecimal
6a2251b
16
Hexadecimal
1380a67
20
Vigesimal
67g4ef
36
Base36
c6b8n
md5
0d4047a963bdd812f92d2f8eb4c6ee77
sha1
128017fc04f818bcf3c8f3a64cf01a365f9fd64d
sha256
abdfe70647956f7b82f98b15bfbc3ccf940e6b16064a4aab9ce999df8dcf0cc9
sha512
32c18e1f30e782d575687276f7819b700165bde8a14cb357910e4b0d6c1f4d729d6dc95ffa13fde505ad68925ab85f7b9727cf7823f902a0aeb330a9ae8b50bf
ripemd-160
258f132a22d51bfb8f15c92230038a239cb3f53a
Diameter
40899790
Circumference
128490479.79737
Area
1.3138084101779E+15
Volume
3.5822992051006E+22
Surface area
5.2552336407115E+15
Circumference
128490479.79737
Perimeter
81799580
Area
418198205511025
Diagonal
28920518.858106
Surface area
2509189233066150
Volume
8.5521093918889E+21
Space diagonal
35420257.149449
Perimeter
61349685
Area
1.8108513489481E+14
Altitude
17710128.574724
Surface area
1.8108513489481E+14
Volume
1.007875757409E+21
Height
9640172.9527019