19993388 is an even 8-digits composite number following 19993387
and preceding 19993389 . In scientific notation, it is written as 1.9993388 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 9674160 positive integers (up to 19993388) that are relatively prime to 19993388.
19993388 has 12 divisors, whose sum is 36117312
The reverse of 19993388 is 88339991
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred ninety-three thousand three hundred eighty-eight
Scientific notation
1.9993388 × 10^7
Engineering notation
1.9993388 × 10^6
Prime Factorization
2 × 2 × 31 × 161237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9996694
Product of the distinct prime numbers
The prime factorization of 19993388 is 2 × 2 × 31 × 161237.
Since it has a total of 4 prime factors.
4 , 8 , 7 , 24 , 975 , 190 , 1771 , 6732 , 4669 , 76813 , 799888 , 914309 , 1001929 , 9349058 , 27829952 , 16635778 , 782167003 , 423095312 , 2089681291 , 4279529131
n×2
39986776
n×3
59980164
n×4
79973552
n×5
99966940
n÷2
9996694
n÷3
6664462.6666667
n÷3
4998347
n÷5
3998677.6
n2
399735563718544
n3
7.9920682228236E+21
n4
1.5978852090138E+29
n5
3.1947138963274E+36
2 √n
4471.3966498176
3 √n
271.41184548035
4 √n
66.868502673662
5 √n
28.852090039448
1 , 2 , 4 , 31 , 62 , 124 , 161237 , 322474 , 644948 , 4998347 , 9996694 , 19993388
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
-19993387
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 19993388 can be divided by 12 positive divisors.
The sum of these divisors (counting 19993388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010001001100101100
3
Ternary
1101121202202212
4
Quaternary
1030101030230
5
Quinary
20104242023
6
Senary
1552305552
8
Octal
114211454
10
Decimal
19993388
12
Duodecimal
68422b8
16
Hexadecimal
131132c
20
Vigesimal
64j398
36
Base36
bwizw
md5
c49dfaef1fda5e36c3e8cf04346b1d87
sha1
1e005c187ee802cb57872e1d92b7096661778e58
sha256
59b85d988021083eb8845dbb8dd01c6046301a4fb020141097a46e3a9caa356f
sha512
b3c244f81bd8727cb10f04970f5a5fe9b8dab0ada6351d7ff3d4ca02d994c996ad9ee9f969a370fe19cc4bab75e3f0b22ddbf9ae178c12932e364885d7ad43f3
ripemd-160
5b5351fe6323271fbf1e3ad7eee56b8b3eebfdb5
Diameter
39986776
Circumference
125622161.72234
Area
1.2558063103568E+15
Volume
3.3477097087748E+22
Surface area
5.023225241427E+15
Circumference
125622161.72234
Perimeter
79973552
Area
399735563718544
Diagonal
28274920.467387
Surface area
2398413382311264
Volume
7.9920682228236E+21
Space diagonal
34629563.831438
Perimeter
59980164
Area
1.7309057648818E+14
Altitude
17314781.915719
Surface area
1.7309057648818E+14
Volume
9.4187427267734E+20
Height
9424973.4891292