19989939 is an odd 8-digits composite number following 19989938
and preceding 19989940 . In scientific notation, it is written as 1.9989939 × 10^7.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 13305960 positive integers (up to 19989939) that are relatively prime to 19989939.
19989939 has 8 divisors, whose sum is 26694592
The reverse of 19989939 is 93998991
Previous prime number is 691
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
nineteen million nine hundred eighty-nine thousand nine hundred thirty-nine
Scientific notation
1.9989939 × 10^7
Engineering notation
1.9989939 × 10^6
Prime Factorization
3 × 691 × 9643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19989939
Product of the distinct prime numbers
The prime factorization of 19989939 is 3 × 691 × 9643.
Since it has a total of 3 prime factors.
2 , 10 , 59 , 9 , 722 , 52 , 8475 , 556 , 91807 , 97862 , 669988 , 188889 , 4304120 , 9653330 , 36983375 , 82331195 , 218399300 , 321820066 , 198713258 , 7204489219
n×2
39979878
n×3
59969817
n×4
79959756
n×5
99949695
n÷2
9994969.5
n÷3
6663313
n÷3
4997484.75
n÷5
3997987.8
n2
399597661223721
n3
7.9879328724048E+21
n4
1.5967829085547E+29
n5
3.1919592938251E+36
2 √n
4471.0109595035
3 √n
271.39623776564
4 √n
66.865618665376
5 √n
28.851094533075
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19989938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989939 can be divided by 8 positive divisors.
The sum of these divisors (counting 19989939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000010110110011
3
Ternary
1101121121001010
4
Quaternary
1030100112303
5
Quinary
20104134224
6
Senary
1552242003
8
Octal
114202663
10
Decimal
19989939
12
Duodecimal
6840303
16
Hexadecimal
13105b3
20
Vigesimal
64iegj
36
Base36
bwgc3
md5
76b046d403ab50180de44993d233387a
sha1
d29de3fd075d776cbfad58970cea24896d7298c5
sha256
7c8d3559e386d25b7b3093e2caaf717dc4385981b62981cf5e62e8888fbf7b10
sha512
6a8dca40fd37f9056a4969850ced799b5fd64c586ff9b1f3c23a909664a3c22f3d9c9e4961b8b7153a170d47d7263f458adb527e8ff5f4c2eec47a08c73a51cc
ripemd-160
cd4ab1a9060bd217c08f11722bf7a72cb7972c31
Diameter
39979878
Circumference
125600491.01622
Area
1.2553730768921E+15
Volume
3.3459774972421E+22
Surface area
5.0214923075684E+15
Circumference
125600491.01622
Perimeter
79959756
Area
399597661223721
Diagonal
28270042.844811
Surface area
2397585967342326
Volume
7.9879328724048E+21
Space diagonal
34623589.988203
Perimeter
59969817
Area
1.730308629563E+14
Altitude
17311794.994101
Surface area
1.730308629563E+14
Volume
9.4138691695673E+20
Height
9423347.614937