20455844 is an even 8-digits composite number following 20455843
and preceding 20455845 . In scientific notation, it is written as 2.0455844 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 10162464 positive integers (up to 20455844) that are relatively prime to 20455844.
20455844 has 12 divisors, whose sum is 36026844
The reverse of 20455844 is 44855402
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million four hundred fifty-five thousand eight hundred forty-four
Scientific notation
2.0455844 × 10^7
Engineering notation
2.0455844 × 10^6
Prime Factorization
2 × 2 × 157 × 32573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10227922
Product of the distinct prime numbers
The prime factorization of 20455844 is 2 × 2 × 157 × 32573.
Since it has a total of 4 prime factors.
7 , 8 , 42 , 31 , 67 , 844 , 1280 , 2422 , 68119 , 47750 , 440928 , 156781 , 7824185 , 5707445 , 10358148 , 99720316 , 241350981 , 343299056 , 7588968519 , 6492468044
n×2
40911688
n×3
61367532
n×4
81823376
n×5
102279220
n÷2
10227922
n÷3
6818614.6666667
n÷3
5113961
n÷5
4091168.8
n2
418441553752336
n3
8.5595751466754E+21
n4
1.7509333390667E+29
n5
3.5816819238347E+36
2 √n
4522.8137259896
3 √n
273.4885409742
4 √n
67.251867825285
5 √n
28.984344342607
1 , 2 , 4 , 157 , 314 , 628 , 32573 , 65146 , 130292 , 5113961 , 10227922 , 20455844
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20455843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20455844 can be divided by 12 positive divisors.
The sum of these divisors (counting 20455844) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110000010000110100100
3
Ternary
1102111021010212
4
Quaternary
1032002012210
5
Quinary
20214041334
6
Senary
2010234552
8
Octal
116020644
10
Decimal
20455844
12
Duodecimal
6a25a58
16
Hexadecimal
13821a4
20
Vigesimal
67gjc4
36
Base36
c6ftw
md5
2e199d8ea811512d8238e098d23655a8
sha1
4cc825e8eb548b378ecf64d7556169f4411a2da0
sha256
cf83d7d2e678e459be6e972115c941e92cf6650e6f71eb71f761f3b220b1a9c9
sha512
459480749eb483632d4312a759243cc2106b61245cc56175702ad99a82f093d8ff92029b84e63fd3eacb5417ad24d11a1aa60bbb4e7f8bf2ee761700cb7eca88
ripemd-160
0d71b819cff4a9bc592b667e672a036f7eb20fde
Diameter
40911688
Circumference
128527858.46676
Area
1.314572911225E+15
Volume
3.5854264531527E+22
Surface area
5.2582916449001E+15
Circumference
128527858.46676
Perimeter
81823376
Area
418441553752336
Diagonal
28928932.014588
Surface area
2510649322514016
Volume
8.5595751466754E+21
Space diagonal
35430561.119703
Perimeter
61367532
Area
1.8119050777428E+14
Altitude
17715280.559851
Surface area
1.8119050777428E+14
Volume
1.0087556050483E+21
Height
9642977.3381961