19994788 is an even 8-digits composite number following 19994787
and preceding 19994789 . In scientific notation, it is written as 1.9994788 × 10^7.
The sum of its digits is 55. It has a total of 5 prime factors and 24 positive divisors.
There are 8553600 positive integers (up to 19994788) that are relatively prime to 19994788.
19994788 has 24 divisors, whose sum is 40418784
The reverse of 19994788 is 88749991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
nineteen million nine hundred ninety-four thousand seven hundred eighty-eight
Scientific notation
1.9994788 × 10^7
Engineering notation
1.9994788 × 10^6
Prime Factorization
2 × 2 × 17 × 11 × 26731
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9997394
Product of the distinct prime numbers
The prime factorization of 19994788 is 2 × 2 × 17 × 11 × 26731.
Since it has a total of 5 prime factors.
6 , 8 , 67 , 17 , 781 , 229 , 5116 , 8766 , 70362 , 67860 , 711012 , 708637 , 8768583 , 8258906 , 14986933 , 50212883 , 29233292 , 41426441 , 8632015827 , 5357071615
n×2
39989576
n×3
59984364
n×4
79979152
n×5
99973940
n÷2
9997394
n÷3
6664929.3333333
n÷3
4998697
n÷5
3998957.6
n2
399791547164944
n3
7.9937472297551E+21
n4
1.5983328118454E+29
n5
3.1958325726293E+36
2 √n
4471.5531977155
3 √n
271.41818036991
4 √n
66.869673228718
5 √n
28.852494090974
1 , 2 , 4 , 11 , 17 , 22 , 34 , 44 , 68 , 187 , 374 , 748 , 26731 , 53462 , 106924 , 294041 , 454427 , 588082 , 908854 , 1176164 , 1817708 , 4998697 , 9997394 , 19994788
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19994787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19994788 can be divided by 24 positive divisors.
The sum of these divisors (counting 19994788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100010001100010100100
3
Ternary
1101121211200201
4
Quaternary
1030101202210
5
Quinary
20104313123
6
Senary
1552320244
8
Octal
114214244
10
Decimal
19994788
12
Duodecimal
6843084
16
Hexadecimal
13118a4
20
Vigesimal
64j6j8
36
Base36
bwk2s
md5
9984b0752c9d8b48ad06fc149ba7367c
sha1
8a509edfe59d28931b65196ae11340b7f032ff4f
sha256
07ca9fd3f1c051e74e110b059f508e9e3a105d2876ed4589635b432b0efbb2e3
sha512
6681ee3f5ee4243dfc84d1be87701a950e002d1d132c517ed86a0426f2c54c0f04a6fe55ae8ba9da99bfe14c4baf9e1920d53ed20cb7c0118c1f15802459900d
ripemd-160
01526b6fe00e62e7ef98179e1e18aaa071dcbde8
Diameter
39989576
Circumference
125630958.18177
Area
1.2559821875407E+15
Volume
3.3484130095536E+22
Surface area
5.0239287501627E+15
Circumference
125630958.18177
Perimeter
79979152
Area
399791547164944
Diagonal
28276900.366375
Surface area
2398749282989664
Volume
7.9937472297551E+21
Space diagonal
34631988.702568
Perimeter
59984364
Area
1.7311481803156E+14
Altitude
17315994.351284
Surface area
1.7311481803156E+14
Volume
9.4207214554183E+20
Height
9425633.4554583