19944990 is an even 8-digits composite number following 19944989
and preceding 19944991 . In scientific notation, it is written as 1.9944990 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 4909248 positive integers (up to 19944990) that are relatively prime to 19944990.
19944990 has 16 divisors, whose sum is 36209952
The reverse of 19944990 is 09944991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred forty-four thousand nine hundred ninety
Scientific notation
1.9944990 × 10^7
Engineering notation
1.9944990 × 10^6
Prime Factorization
2 × 117 × 5 × 17047
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19944990
Product of the distinct prime numbers
The prime factorization of 19944990 is 2 × 117 × 5 × 17047.
Since it has a total of 4 prime factors.
6 , 3 , 99 , 11 , 832 , 426 , 5309 , 6849 , 82525 , 14518 , 321523 , 540572 , 3001142 , 5612075 , 35617608 , 70558000 , 721189713 , 420088013 , 1769743425 , 3166563318
n×2
39889980
n×3
59834970
n×4
79779960
n×5
99724950
n÷2
9972495
n÷3
6648330
n÷3
4986247.5
n÷5
3988998
n2
397802626100100
n3
7.9341693995402E+21
n4
1.5824692933214E+29
n5
3.1562334230602E+36
2 √n
4465.9814150979
3 √n
271.19266628562
4 √n
66.827998736293
5 √n
28.838108041887
1 , 2 , 5 , 10 , 117 , 234 , 585 , 1170 , 17047 , 34094 , 85235 , 170470 , 1994499 , 3988998 , 9972495 , 19944990
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19944989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19944990 can be divided by 16 positive divisors.
The sum of these divisors (counting 19944990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100000101011000011110
3
Ternary
1101112022101100
4
Quaternary
1030011120132
5
Quinary
20101214430
6
Senary
1551253530
8
Octal
114053036
10
Decimal
19944990
12
Duodecimal
681a2a6
16
Hexadecimal
130561e
20
Vigesimal
64d29a
36
Base36
bvhni
md5
818ae6cdd9c78e9ef1b551db34045941
sha1
ca9315e98af0fd6c3a4546281eef5132af1d1468
sha256
b076bd569fec1aed4d174fc82ab937c1d8bdafa7c31506b161a8c120a660ebf7
sha512
4a89df91dd8c5cfe58e284faa203155f7d03c62987bd07a7c2a0844adabe6da14f7e8a77d2492d50e30e2bf2cc91c2b369721e5cb1953770a00a032268c3842b
ripemd-160
697f09e9ea56e6ceaf10a447ed8da51eca8b854b
Diameter
39889980
Circumference
125318068.11984
Area
1.2497338077348E+15
Volume
3.323457106391E+22
Surface area
4.9989352309392E+15
Circumference
125318068.11984
Perimeter
79779960
Area
397802626100100
Diagonal
28206475.359396
Surface area
2386815756600600
Volume
7.9341693995402E+21
Space diagonal
34545736.036453
Perimeter
59834970
Area
1.7225358994742E+14
Altitude
17272868.018227
Surface area
1.7225358994742E+14
Volume
9.3505083091628E+20
Height
9402158.4531319