20451243 is an odd 8-digits composite number following 20451242
and preceding 20451244 . In scientific notation, it is written as 2.0451243 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13634160 positive integers (up to 20451243) that are relatively prime to 20451243.
20451243 has 4 divisors, whose sum is 27268328
The reverse of 20451243 is 34215402
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred fifty-one thousand two hundred forty-three
Scientific notation
2.0451243 × 10^7
Engineering notation
2.0451243 × 10^6
Prime Factorization
3 × 6817081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20451243
Product of the distinct prime numbers
The prime factorization of 20451243 is 3 × 6817081.
Since it has a total of 2 prime factors.
6 , 3 , 13 , 60 , 617 , 833 , 6520 , 281 , 57751 , 28693 , 108211 , 223353 , 2079310 , 2356254 , 48097669 , 72670341 , 264255341 , 169300085 , 8895718830 , 6141576328
n×2
40902486
n×3
61353729
n×4
81804972
n×5
102256215
n÷2
10225621.5
n÷3
6817081
n÷3
5112810.75
n÷5
4090248.6
n2
418253340245049
n3
8.5538006969132E+21
n4
1.7493585662614E+29
n5
3.5776557132744E+36
2 √n
4522.3050538415
3 √n
273.46803477019
4 √n
67.248085874926
5 √n
28.983040373258
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
-20451242
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 20451243 can be divided by 4 positive divisors.
The sum of these divisors (counting 20451243) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000000111110101011
3
Ternary
1102111000211110
4
Quaternary
1032000332223
5
Quinary
20213414433
6
Senary
2010201403
8
Octal
116007653
10
Decimal
20451243
12
Duodecimal
6a23263
16
Hexadecimal
1380fab
20
Vigesimal
67g823
36
Base36
c6ca3
md5
6c076d639d7f8d64d2f65825270158c6
sha1
783b60d863a50708d2794a0013936ce8f44dde01
sha256
0637cff33e5161072a001a0b66b863f01ed77ee47eb93a51ad0c23db5513c785
sha512
68482c9d3e811465df499c9fc073de978ff0cbffbdd0188ab8ceaf0fda8b2634e8f01c4ee43668df738a07c8b1730e038601ea092e470087f81b51957510d4e0
ripemd-160
8ad765c53b18c1d4cde67364b78904db6ae32b1e
Diameter
40902486
Circumference
128498949.53116
Area
1.3139816210532E+15
Volume
3.5830076572925E+22
Surface area
5.255926484213E+15
Circumference
128498949.53116
Perimeter
81804972
Area
418253340245049
Diagonal
28922425.217988
Surface area
2509520041470294
Volume
8.5538006969132E+21
Space diagonal
35422591.953937
Perimeter
61353729
Area
1.8110900893495E+14
Altitude
17711295.976969
Surface area
1.8110900893495E+14
Volume
1.0080750796176E+21
Height
9640808.4059959