20449815 is an odd 8-digits composite number following 20449814
and preceding 20449816 . In scientific notation, it is written as 2.0449815 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 10906560 positive integers (up to 20449815) that are relatively prime to 20449815.
20449815 has 4 divisors, whose sum is 21813152
The reverse of 20449815 is 51894402
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million four hundred forty-nine thousand eight hundred fifteen
Scientific notation
2.0449815 × 10^7
Engineering notation
2.0449815 × 10^6
Prime Factorization
15 × 1363321
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20449815
Product of the distinct prime numbers
The prime factorization of 20449815 is 15 × 1363321.
Since it has a total of 2 prime factors.
10 , 9 , 98 , 39 , 556 , 13 , 1447 , 8404 , 55074 , 28788 , 448719 , 974829 , 7684564 , 1097585 , 68714279 , 83851379 , 25897965 , 211819697 , 7938043225 , 1641121137
n×2
40899630
n×3
61349445
n×4
81799260
n×5
102249075
n÷2
10224907.5
n÷3
6816605
n÷3
5112453.75
n÷5
4089963
n2
418194933534225
n3
8.5520090247122E+21
n4
1.7488700243369E+29
n5
3.5764068456736E+36
2 √n
4522.1471669993
3 √n
273.46166968938
4 √n
67.2469119514
5 √n
28.982635616074
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
-20449814
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 20449815 can be divided by 4 positive divisors.
The sum of these divisors (counting 20449815) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000000101000010111
3
Ternary
1102110221212120
4
Quaternary
1032000220113
5
Quinary
20213343230
6
Senary
2010151023
8
Octal
116005027
10
Decimal
20449815
12
Duodecimal
6a22473
16
Hexadecimal
1380a17
20
Vigesimal
67g4af
36
Base36
c6b6f
md5
772692f572286af3650593eee46317a0
sha1
fd1c490722b6a79e01e60d4e3a45f58b0122d598
sha256
5c4d493b8ef3a3ce207648f119ba26c5488afee7e1a3d6092826f4394c8c8d6a
sha512
b0e8aabef8144c50a3043eb05118caa57728c1eeaa2e7d70cffe12be065d5554f873e3b1da7cd6f7eb912505c0f254c7fc49c718d708505ea45901ff0b77fe00
ripemd-160
dd61726fce4d5cb18dc6cfe2406b22cff2580af3
Diameter
40899630
Circumference
128489977.14254
Area
1.3137981309596E+15
Volume
3.5822571633959E+22
Surface area
5.2551925238384E+15
Circumference
128489977.14254
Perimeter
81799260
Area
418194933534225
Diagonal
28920405.721021
Surface area
2509169601205350
Volume
8.5520090247122E+21
Space diagonal
35420118.585384
Perimeter
61349445
Area
1.8108371808729E+14
Altitude
17710059.292692
Surface area
1.8108371808729E+14
Volume
1.0078639290238E+21
Height
9640135.2403403