19989145 is an odd 8-digits composite number following 19989144
and preceding 19989146 . In scientific notation, it is written as 1.9989145 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 14537520 positive integers (up to 19989145) that are relatively prime to 19989145.
19989145 has 8 divisors, whose sum is 26167680
The reverse of 19989145 is 54198991
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred eighty-nine thousand one hundred forty-five
Scientific notation
1.9989145 × 10^7
Engineering notation
1.9989145 × 10^6
Prime Factorization
5 × 11 × 363439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19989145
Product of the distinct prime numbers
The prime factorization of 19989145 is 5 × 11 × 363439.
Since it has a total of 3 prime factors.
7 , 9 , 93 , 81 , 60 , 529 , 8366 , 1998 , 66701 , 907 , 821594 , 515281 , 301022 , 9158900 , 24130480 , 87613665 , 226586595 , 877206200 , 8060225580 , 681503935
n×2
39978290
n×3
59967435
n×4
79956580
n×5
99945725
n÷2
9994572.5
n÷3
6663048.3333333
n÷3
4997286.25
n÷5
3997829
n2
399565917831025
n3
7.9869810685824E+21
n4
1.5965292269215E+29
n5
3.1913254213672E+36
2 √n
4470.9221643862
3 √n
271.39264443358
4 √n
66.864954680208
5 √n
28.850865336448
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
-19989144
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 19989145 can be divided by 8 positive divisors.
The sum of these divisors (counting 19989145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000001010011001
3
Ternary
1101121112221201
4
Quaternary
1030100022121
5
Quinary
20104123040
6
Senary
1552234201
8
Octal
114201231
10
Decimal
19989145
12
Duodecimal
683b961
16
Hexadecimal
1310299
20
Vigesimal
64ich5
36
Base36
bwfq1
md5
15c9bcea8316860d7c6c4804dcbb8df5
sha1
d57313f8ec5b6aa861f7a4518494d79a27077425
sha256
b4a879ed9135dc9120ca72ad9c0d17736ff8028524b59f0f2ee1704ddbfce5ec
sha512
cf8da431d593b1e38c37824586d2fc98d2d69022e656e64690b8b57ae8a68c3a1651c9d6ac69d43f0345a746de882e58081933741152e2bfe24944634965d75f
ripemd-160
6ceea6ee27d104862856175237595024e23db3ba
Diameter
39978290
Circumference
125595502.16708
Area
1.2552733520828E+15
Volume
3.3455788065892E+22
Surface area
5.0210934083312E+15
Circumference
125595502.16708
Perimeter
79956580
Area
399565917831025
Diagonal
28268919.959242
Surface area
2397395506986150
Volume
7.9869810685824E+21
Space diagonal
34622214.739861
Perimeter
59967435
Area
1.7301711766406E+14
Altitude
17311107.369931
Surface area
1.7301711766406E+14
Volume
9.4127474580054E+20
Height
9422973.3197474