20455940 is an even 8-digits composite number following 20455939
and preceding 20455941 . In scientific notation, it is written as 2.0455940 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 8182368 positive integers (up to 20455940) that are relatively prime to 20455940.
20455940 has 12 divisors, whose sum is 42957516
The reverse of 20455940 is 04955402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred fifty-five thousand nine hundred forty
Scientific notation
2.0455940 × 10^7
Engineering notation
2.0455940 × 10^6
Prime Factorization
2 × 2 × 5 × 1022797
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10227970
Product of the distinct prime numbers
The prime factorization of 20455940 is 2 × 2 × 5 × 1022797.
Since it has a total of 4 prime factors.
4 , 10 , 62 , 93 , 236 , 764 , 2279 , 8712 , 83849 , 42720 , 311269 , 942525 , 3198189 , 3276661 , 82604037 , 64477615 , 799981150 , 421958129 , 9922082005 , 7308418219
n×2
40911880
n×3
61367820
n×4
81823760
n×5
102279700
n÷2
10227970
n÷3
6818646.6666667
n÷3
5113985
n÷5
4091188
n2
418445481283600
n3
8.5596956584084E+21
n4
1.7509662080666E+29
n5
3.5817659694239E+36
2 √n
4522.8243388396
3 √n
273.488968804
4 √n
67.251946728995
5 √n
28.984371547467
1 , 2 , 4 , 5 , 10 , 20 , 1022797 , 2045594 , 4091188 , 5113985 , 10227970 , 20455940
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
-20455939
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 20455940 can be divided by 12 positive divisors.
The sum of these divisors (counting 20455940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110000010001000000100
3
Ternary
1102111021021102
4
Quaternary
1032002020010
5
Quinary
20214042230
6
Senary
2010235232
8
Octal
116021004
10
Decimal
20455940
12
Duodecimal
6a25b18
16
Hexadecimal
1382204
20
Vigesimal
67gjh0
36
Base36
c6fwk
md5
be096202f9fac6a60fce9ef9e53bd92d
sha1
b7bb0d6ef59ce0bb45c5bd2c66941933809960d8
sha256
214f79dc131dfb9ab0f167be0000562ca28451f470ca20da9750a93a3626d34b
sha512
149d86a64f7ba9ac2e4a50a83a3e22f3537391a6b52e85cd969855770931eac9bcfdfca056a22e7c7d567397d55759c62a7efc9bf566861b8d629251f6901031
ripemd-160
a63343fa6afe3e6effd66ea7b98db03c0ede7ac2
Diameter
40911880
Circumference
128528461.65255
Area
1.3145852499284E+15
Volume
3.5854769329894E+22
Surface area
5.2583409997136E+15
Circumference
128528461.65255
Perimeter
81823760
Area
418445481283600
Diagonal
28929067.77909
Surface area
2510672887701600
Volume
8.5596956584084E+21
Space diagonal
35430727.39658
Perimeter
61367820
Area
1.811922084452E+14
Altitude
17715363.69829
Surface area
1.811922084452E+14
Volume
1.0087698074923E+21
Height
9643022.5930301