19985910 is an even 8-digits composite number following 19985909
and preceding 19985911 . In scientific notation, it is written as 1.9985910 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 4326912 positive integers (up to 19985910) that are relatively prime to 19985910.
19985910 has 32 divisors, whose sum is 38476800
The reverse of 19985910 is 01958991
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred eighty-five thousand nine hundred ten
Scientific notation
1.9985910 × 10^7
Engineering notation
1.9985910 × 10^6
Prime Factorization
2 × 15 × 7 × 19 × 5009
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19985910
Product of the distinct prime numbers
The prime factorization of 19985910 is 2 × 15 × 7 × 19 × 5009.
Since it has a total of 5 prime factors.
6 , 9 , 37 , 67 , 443 , 164 , 1498 , 3496 , 79440 , 22901 , 724314 , 379757 , 220987 , 228566 , 28722471 , 49221866 , 112682506 , 610099315 , 807236530 , 6561037737
n×2
39971820
n×3
59957730
n×4
79943640
n×5
99929550
n÷2
9992955
n÷3
6661970
n÷3
4996477.5
n÷5
3997182
n2
399436598528100
n3
7.9831039088887E+21
n4
1.595495962437E+29
n5
3.1887438710629E+36
2 √n
4470.5603675602
3 √n
271.37800311082
4 √n
66.862249196091
5 √n
28.849931443659
1 , 2 , 7 , 14 , 15 , 19 , 30 , 38 , 105 , 133 , 210 , 266 , 285 , 570 , 1995 , 3990 , 5009 , 10018 , 35063 , 70126 , 75135 , 95171 , 150270 , 190342 , 525945 , 666197 , 1051890 , 1332394 , 1427565 , 2855130 , 9992955 , 19985910
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19985909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19985910 can be divided by 32 positive divisors.
The sum of these divisors (counting 19985910) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100001111010111110110
3
Ternary
1101121101111220
4
Quaternary
1030033113312
5
Quinary
20104022120
6
Senary
1552211210
8
Octal
114172766
10
Decimal
19985910
12
Duodecimal
6839b06
16
Hexadecimal
130f5f6
20
Vigesimal
64i4fa
36
Base36
bwd86
md5
08f4c0cadd4282eb4d5ebe35e3068bcb
sha1
2a60b5938c6373cc5da7c4709da1265c6bb7fbe3
sha256
9625d270c48eed02b00f15ee9fffa9b4508d01bc6e57f51fc3dfa0e17fc0769d
sha512
27735af5403f36b244bb228fa9b9b4d9b8ac1b33ecbd324ea8f8f3b63cbabe153b2c61b7e8b982050d9bd06253d6d3e8fd315fa130fc59db28b1f66ece9a6498
ripemd-160
b7c2322fa765f19fa89f1133dac54fe491da9843
Diameter
39971820
Circumference
125575176.06261
Area
1.2548670835108E+15
Volume
3.3439547457345E+22
Surface area
5.0194683340431E+15
Circumference
125575176.06261
Perimeter
79943640
Area
399436598528100
Diagonal
28264344.978368
Surface area
2396619591168600
Volume
7.9831039088887E+21
Space diagonal
34616611.555499
Perimeter
59957730
Area
1.7296112076329E+14
Altitude
17308305.777749
Surface area
1.7296112076329E+14
Volume
9.4081781814868E+20
Height
9421448.3261227