20455813 is an odd 8-digits composite number following 20455812
and preceding 20455814 . In scientific notation, it is written as 2.0455813 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 17533548 positive integers (up to 20455813) that are relatively prime to 20455813.
20455813 has 4 divisors, whose sum is 23378080
The reverse of 20455813 is 31855402
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred fifty-five thousand eight hundred thirteen
Scientific notation
2.0455813 × 10^7
Engineering notation
2.0455813 × 10^6
Prime Factorization
7 × 2922259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20455813
Product of the distinct prime numbers
The prime factorization of 20455813 is 7 × 2922259.
Since it has a total of 2 prime factors.
7 , 10 , 69 , 98 , 123 , 90 , 8542 , 9031 , 3411 , 69096 , 814176 , 786232 , 1649737 , 5599040 , 27084375 , 96101217 , 33639591 , 419749388 , 397569798 , 5902188033
n×2
40911626
n×3
61367439
n×4
81823252
n×5
102279065
n÷2
10227906.5
n÷3
6818604.3333333
n÷3
5113953.25
n÷5
4091162.6
n2
418440285490969
n3
8.5595362316699E+21
n4
1.7509227252176E+29
n5
3.5816547844502E+36
2 √n
4522.8102989181
3 √n
273.48840282054
4 √n
67.251842345903
5 √n
28.984335557683
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
-20455812
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 20455813 can be divided by 4 positive divisors.
The sum of these divisors (counting 20455813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000010000110000101
3
Ternary
1102111021002201
4
Quaternary
1032002012011
5
Quinary
20214041223
6
Senary
2010234501
8
Octal
116020605
10
Decimal
20455813
12
Duodecimal
6a25a31
16
Hexadecimal
1382185
20
Vigesimal
67gjad
36
Base36
c6ft1
md5
e12a720f335044a2b192380d75ae06f2
sha1
b1ad69b8b1912a605b0821ba0f046b0d3ae3838c
sha256
7ad9e6783644871dc40d2917942187d8ebe9878d8830f00344f8f4da044561b5
sha512
c7ea9794d42042d9474b6e2b4d0ab7e65dfe7bd332ba8b9f845a1842bfc3b6a411538a6309c7696d495afd29ff7624af7f9ec28ec2e6d72acb6a4680973b9064
ripemd-160
b40112cff7aafb334a7efc22b4a3de0fa30287a2
Diameter
40911626
Circumference
128527663.68801
Area
1.3145689268644E+15
Volume
3.5854101524733E+22
Surface area
5.2582757074578E+15
Circumference
128527663.68801
Perimeter
81823252
Area
418440285490969
Diagonal
28928888.173968
Surface area
2510641712945814
Volume
8.5595362316699E+21
Space diagonal
35430507.426128
Perimeter
61367439
Area
1.81189958601E+14
Altitude
17715253.713064
Surface area
1.81189958601E+14
Volume
1.008751018871E+21
Height
9642962.724656