20403493 is an odd 8-digits composite number following 20403492
and preceding 20403494 . In scientific notation, it is written as 2.0403493 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 18548620 positive integers (up to 20403493) that are relatively prime to 20403493.
20403493 has 4 divisors, whose sum is 22258368
The reverse of 20403493 is 39430402
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred three thousand four hundred ninety-three
Scientific notation
2.0403493 × 10^7
Engineering notation
2.0403493 × 10^6
Prime Factorization
11 × 1854863
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20403493
Product of the distinct prime numbers
The prime factorization of 20403493 is 11 × 1854863.
Since it has a total of 2 prime factors.
2 , 9 , 17 , 81 , 183 , 418 , 507 , 9907 , 8545 , 73133 , 736780 , 19875 , 1523661 , 7353853 , 41629707 , 68773004 , 124842077 , 538155584 , 362133010 , 8434210859
n×2
40806986
n×3
61210479
n×4
81613972
n×5
102017465
n÷2
10201746.5
n÷3
6801164.3333333
n÷3
5100873.25
n÷5
4080698.6
n2
416302526601049
n3
8.4940256873868E+21
n4
1.7330779365442E+29
n5
3.5360843546733E+36
2 √n
4517.0225813029
3 √n
273.25503590521
4 √n
67.208798392047
5 √n
28.969493671058
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
-20403492
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 20403493 can be divided by 4 positive divisors.
The sum of these divisors (counting 20403493) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101010100100101
3
Ternary
1102101121022221
4
Quaternary
1031311110211
5
Quinary
20210402433
6
Senary
2005152341
8
Octal
115652445
10
Decimal
20403493
12
Duodecimal
69bb6b1
16
Hexadecimal
1375525
20
Vigesimal
67a8ed
36
Base36
c5bfp
md5
9dfb43a93c81923bd5eaa270d3e4b97b
sha1
5ed4d41fb5573bc2bdf05ccd1c9036fafe0dfde4
sha256
15685e54c7036e4a152278d285cca31b50624902abc736df8bf30be5a9fdabbf
sha512
d96056d844ab9fab0c21ad41922d482a3fccf7da3ae83855e1e819a6025036c40aac87c1b1d1c54b3be4b893ed2ef098f82f0540c083992eb55da64533a8a0b3
ripemd-160
5b0f2d29594332fc67a6a881a3438529dbb34d42
Diameter
40806986
Circumference
128198927.43274
Area
1.3078529592407E+15
Volume
3.557969159853E+22
Surface area
5.2314118369629E+15
Circumference
128198927.43274
Perimeter
81613972
Area
416302526601049
Diagonal
28854896.520385
Surface area
2497815159606294
Volume
8.4940256873868E+21
Space diagonal
35339886.527876
Perimeter
61210479
Area
1.8026428184808E+14
Altitude
17669943.263938
Surface area
1.8026428184808E+14
Volume
1.0010305271873E+21
Height
9618298.8401282