19478889 is an odd 8-digits composite number following 19478888
and preceding 19478890 . In scientific notation, it is written as 1.9478889 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 18 positive divisors.
There are 12220416 positive integers (up to 19478889) that are relatively prime to 19478889.
19478889 has 18 divisors, whose sum is 29892590
The reverse of 19478889 is 98887491
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
nineteen million four hundred seventy-eight thousand eight hundred eighty-nine
Scientific notation
1.9478889 × 10^7
Engineering notation
1.9478889 × 10^6
Prime Factorization
3 × 3 × 17 × 17 × 7489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
381939
Product of the distinct prime numbers
The prime factorization of 19478889 is 3 × 3 × 17 × 17 × 7489.
Since it has a total of 5 prime factors.
10 , 8 , 19 , 13 , 24 , 956 , 7325 , 907 , 77601 , 15189 , 855002 , 401666 , 4603506 , 4725082 , 99769892 , 75457305 , 682426002 , 349594089 , 2793795661 , 8355207409
n×2
38957778
n×3
58436667
n×4
77915556
n×5
97394445
n÷2
9739444.5
n÷3
6492963
n÷3
4869722.25
n÷5
3895777.8
n2
379427116674321
n3
7.3908186892891E+21
n4
1.4396493686779E+29
n5
2.8042770251397E+36
2 √n
4413.4894358093
3 √n
269.06346305102
4 √n
66.43409844206
5 √n
28.702044706008
1 , 3 , 9 , 17 , 51 , 153 , 289 , 867 , 2601 , 7489 , 22467 , 67401 , 127313 , 381939 , 1145817 , 2164321 , 6492963 , 19478889
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19478888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19478889 can be divided by 18 positive divisors.
The sum of these divisors (counting 19478889) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001010010011100101101001
3
Ternary
1100122122000100
4
Quaternary
1022103211221
5
Quinary
14441311024
6
Senary
1533300013
8
Octal
112234551
10
Decimal
19478889
12
Duodecimal
6634609
16
Hexadecimal
1293969
20
Vigesimal
61eh49
36
Base36
bli09
md5
da935f2dc836d736a09166b49e0df122
sha1
5310e1f6599442d04b81e337ca2d061c5cf664b4
sha256
8e6c76704db9dcf3a1f214180b526732717df910d52ffb9f2cdffaefbbb1a936
sha512
880b4e6a159f5e15848eff19c0c5b9d1aa046a983fbdc85c5d7b5256e1b92eb7e6e353b5172a5f9e1493e09fdadf42710901dce1c74e0de0a5fd61276dbeca87
ripemd-160
42b2015869d29ac5ec944473c9d62f789eb8f806
Diameter
38957778
Circumference
122389469.16498
Area
1.1920054423168E+15
Volume
3.0958588931047E+22
Surface area
4.7680217692672E+15
Circumference
122389469.16498
Perimeter
77915556
Area
379427116674321
Diagonal
27547309.00376
Surface area
2276562700045926
Volume
7.3908186892891E+21
Space diagonal
33738425.422995
Perimeter
58436667
Area
1.6429676096232E+14
Altitude
16869212.711497
Surface area
1.6429676096232E+14
Volume
8.7101633561944E+20
Height
9182436.3345867