19941388 is an even 8-digits composite number following 19941387
and preceding 19941389 . In scientific notation, it is written as 1.9941388 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 9807120 positive integers (up to 19941388) that are relatively prime to 19941388.
19941388 has 12 divisors, whose sum is 35469952
The reverse of 19941388 is 88314991
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred forty-one thousand three hundred eighty-eight
Scientific notation
1.9941388 × 10^7
Engineering notation
1.9941388 × 10^6
Prime Factorization
2 × 2 × 61 × 81727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9970694
Product of the distinct prime numbers
The prime factorization of 19941388 is 2 × 2 × 61 × 81727.
Since it has a total of 4 prime factors.
6 , 9 , 100 , 70 , 436 , 737 , 7267 , 354 , 55455 , 81704 , 114498 , 159916 , 398506 , 5436708 , 38085586 , 92547950 , 136437285 , 935367098 , 7714740163 , 9366844606
n×2
39882776
n×3
59824164
n×4
79765552
n×5
99706940
n÷2
9970694
n÷3
6647129.3333333
n÷3
4985347
n÷5
3988277.6
n2
397658955366544
n3
7.9298715206389E+21
n4
1.5813264478321E+29
n5
3.1533844250882E+36
2 √n
4465.5781260661
3 √n
271.17633979971
4 √n
66.8249813024
5 √n
28.837066353024
1 , 2 , 4 , 61 , 122 , 244 , 81727 , 163454 , 326908 , 4985347 , 9970694 , 19941388
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
-19941387
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 19941388 can be divided by 12 positive divisors.
The sum of these divisors (counting 19941388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100000100100000001100
3
Ternary
1101112010102221
4
Quaternary
1030010200030
5
Quinary
20101111023
6
Senary
1551225124
8
Octal
114044014
10
Decimal
19941388
12
Duodecimal
68181a4
16
Hexadecimal
130480c
20
Vigesimal
64cd98
36
Base36
bvevg
md5
dc0b17e8ee2640c3384e7c4071be0438
sha1
773d80ce71236a75016c9c69c7d5332178bae7e3
sha256
d2dfefb691bcd0675eb78076868350cc964896dbedb3d144002a03cd2da69b00
sha512
13fe6183f97a29c724f87a5b52d7e906fd40eca284c1d8514e3ca1dbcca7ebef06b518c3adbda628471285e2bb3b9fe8179422de3b8af22aa1d4305236165dfe
ripemd-160
3a95b478b82dce8dbc224bcb4f4ea4040bc1c35b
Diameter
39882776
Circumference
125295436.08637
Area
1.2492824528137E+15
Volume
3.3216568150867E+22
Surface area
4.9971298112549E+15
Circumference
125295436.08637
Perimeter
79765552
Area
397658955366544
Diagonal
28201381.362144
Surface area
2385953732199264
Volume
7.9298715206389E+21
Space diagonal
34539497.189444
Perimeter
59824164
Area
1.721913786949E+14
Altitude
17269748.594722
Surface area
1.721913786949E+14
Volume
9.3454432103031E+20
Height
9400460.454048