20783994 is an even 8-digits composite number following 20783993
and preceding 20783995 . In scientific notation, it is written as 2.0783994 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 5398320 positive integers (up to 20783994) that are relatively prime to 20783994.
20783994 has 32 divisors, whose sum is 51826176
The reverse of 20783994 is 49938702
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred eighty-three thousand nine hundred ninety-four
Scientific notation
2.0783994 × 10^7
Engineering notation
2.0783994 × 10^6
Prime Factorization
2 × 3 × 7 × 11 × 44987
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20783994
Product of the distinct prime numbers
The prime factorization of 20783994 is 2 × 3 × 7 × 11 × 44987.
Since it has a total of 5 prime factors.
1 , 9 , 18 , 94 , 135 , 996 , 7327 , 6022 , 31990 , 61465 , 515268 , 340001 , 5681157 , 2169447 , 4301963 , 30919066 , 222584728 , 472821695 , 3645479492 , 9193098230
n×2
41567988
n×3
62351982
n×4
83135976
n×5
103919970
n÷2
10391997
n÷3
6927998
n÷3
5195998.5
n÷5
4156798.8
n2
431974406592036
n3
8.9781534747624E+21
n4
1.8660188795054E+29
n5
3.8783325195527E+36
2 √n
4558.9465888514
3 √n
274.94321251662
4 √n
67.519971777626
5 √n
29.076745931651
1 , 2 , 3 , 6 , 7 , 11 , 14 , 21 , 22 , 33 , 42 , 66 , 77 , 154 , 231 , 462 , 44987 , 89974 , 134961 , 269922 , 314909 , 494857 , 629818 , 944727 , 989714 , 1484571 , 1889454 , 2969142 , 3463999 , 6927998 , 10391997 , 20783994
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20783993
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20783994 can be divided by 32 positive divisors.
The sum of these divisors (counting 20783994) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010010001101111010
3
Ternary
1110002221021120
4
Quaternary
1033102031322
5
Quinary
20310041434
6
Senary
2021250110
8
Octal
117221572
10
Decimal
20783994
12
Duodecimal
6b63936
16
Hexadecimal
13d237a
20
Vigesimal
69hjje
36
Base36
cdh16
md5
a8cf4493b48ab8de7e80a34b49517396
sha1
5b69afeef0e2255a6352ae7b27dbede6db009fca
sha256
3b9f7954bed83165d7505baa68ed50806481362591910cf9076c67217291836b
sha512
3b8991a559bb43aef9c38a7f8b759df69ef74cf529224b0f4438b13982b0dffda225b36b6ceae0404c3e819567ce3b1b5933501de864510317204fee2da58764
ripemd-160
99b351ef152383890c1621f5d6a36f1d2c13bbd1
Diameter
41567988
Circumference
130589685.72531
Area
1.3570876222884E+15
Volume
3.7607601332154E+22
Surface area
5.4283504891534E+15
Circumference
130589685.72531
Perimeter
83135976
Area
431974406592036
Diagonal
29393006.195081
Surface area
2591846439552216
Volume
8.9781534747624E+21
Space diagonal
35998933.592207
Perimeter
62351982
Area
1.8705040494671E+14
Altitude
17999466.796103
Surface area
1.8705040494671E+14
Volume
1.0580855340897E+21
Height
9797668.7316937