20448939 is an odd 8-digits composite number following 20448938
and preceding 20448940 . In scientific notation, it is written as 2.0448939 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 11685096 positive integers (up to 20448939) that are relatively prime to 20448939.
20448939 has 4 divisors, whose sum is 21422720
The reverse of 20448939 is 93984402
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million four hundred forty-eight thousand nine hundred thirty-nine
Scientific notation
2.0448939 × 10^7
Engineering notation
2.0448939 × 10^6
Prime Factorization
21 × 973759
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20448939
Product of the distinct prime numbers
The prime factorization of 20448939 is 21 × 973759.
Since it has a total of 2 prime factors.
9 , 4 , 75 , 99 , 873 , 472 , 6361 , 4306 , 53532 , 628 , 701155 , 670021 , 8030905 , 4996454 , 67203783 , 89026417 , 361921167 , 389107263 , 5018136528 , 1465407999
n×2
40897878
n×3
61346817
n×4
81795756
n×5
102244695
n÷2
10224469.5
n÷3
6816313
n÷3
5112234.75
n÷5
4089787.8
n2
418159106225721
n3
8.5509100555043E+21
n4
1.7485703811949E+29
n5
3.5756409062262E+36
2 √n
4522.0503093177
3 √n
273.45776491333
4 √n
67.246191783012
5 √n
28.98238730846
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
-20448938
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 20448939 can be divided by 4 positive divisors.
The sum of these divisors (counting 20448939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000000011010101011
3
Ternary
1102110220200010
4
Quaternary
1032000122223
5
Quinary
20213331224
6
Senary
2010143003
8
Octal
116003253
10
Decimal
20448939
12
Duodecimal
6a21a63
16
Hexadecimal
13806ab
20
Vigesimal
67g26j
36
Base36
c6ai3
md5
8100d9f8290bb7d4e95dcfdc63223d6c
sha1
e7ced84895a98914bad3a47b9860503bf6736598
sha256
f889bbe9a83b189f7f4146686f2627ea319ee167119baae65b03752968cc2b2c
sha512
e9f95d7e27abb36aa363bd14443f2d26aeb5d533c27d0ce7388f919d60ff9753b3e2c0cbddf1186811acd5b75db7659df3676c9945afba6838e33505d18572e4
ripemd-160
110b6cfff1bbc8f6fd2453813fb9f81b7823b244
Diameter
40897878
Circumference
128484473.07221
Area
1.3136855761504E+15
Volume
3.5817968282506E+22
Surface area
5.2547423046016E+15
Circumference
128484473.07221
Perimeter
81795756
Area
418159106225721
Diagonal
28919166.86994
Surface area
2508954637354326
Volume
8.5509100555043E+21
Space diagonal
35418601.308877
Perimeter
61346817
Area
1.8106820440764E+14
Altitude
17709300.654438
Surface area
1.8106820440764E+14
Volume
1.0077344142606E+21
Height
9639722.28998