19985864 is an even 8-digits composite number following 19985863
and preceding 19985865 . In scientific notation, it is written as 1.9985864 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 16 positive divisors.
There are 9974272 positive integers (up to 19985864) that are relatively prime to 19985864.
19985864 has 16 divisors, whose sum is 37543500
The reverse of 19985864 is 46858991
Previous prime number is 617
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred eighty-five thousand eight hundred sixty-four
Scientific notation
1.9985864 × 10^7
Engineering notation
1.9985864 × 10^6
Prime Factorization
2 × 2 × 2 × 617 × 4049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4996466
Product of the distinct prime numbers
The prime factorization of 19985864 is 2 × 2 × 2 × 617 × 4049.
Since it has a total of 5 prime factors.
9 , 10 , 10 , 12 , 387 , 257 , 9297 , 3517 , 39353 , 60071 , 226435 , 889918 , 3335671 , 9718442 , 45967592 , 45318494 , 188365450 , 495332743 , 9380741982 , 2368802919
n×2
39971728
n×3
59957592
n×4
79943456
n×5
99929320
n÷2
9992932
n÷3
6661954.6666667
n÷3
4996466
n÷5
3997172.8
n2
399434759826496
n3
7.983048786765E+21
n4
1.5954812735765E+29
n5
3.1887071748247E+36
2 √n
4470.5552227883
3 √n
271.37779490751
4 √n
66.862210723161
5 √n
28.849918163322
1 , 2 , 4 , 8 , 617 , 1234 , 2468 , 4049 , 4936 , 8098 , 16196 , 32392 , 2498233 , 4996466 , 9992932 , 19985864
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
-19985863
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 19985864 can be divided by 16 positive divisors.
The sum of these divisors (counting 19985864) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111010111001000
3
Ternary
1101121101110012
4
Quaternary
1030033113020
5
Quinary
20104021424
6
Senary
1552211052
8
Octal
114172710
10
Decimal
19985864
12
Duodecimal
6839a88
16
Hexadecimal
130f5c8
20
Vigesimal
64i4d4
36
Base36
bwd6w
md5
42d5b10f64dd00a8751908be0e99d8aa
sha1
549dff64611f5332a442570e28593b3823a9119d
sha256
fde1733075110534efbc73c5d579b0d7b750afb8086d1dbdc7c84ade55166f37
sha512
fb23841324212e84bc0586cdd5b0035373d450a29a89eff9131aa4ecea0a1370f42df50efa0a366dfe0d5911de0ff969e2101455c5ca9be26601e5b455e2cc0c
ripemd-160
bdf30fc438390cab560b2874825009f1ad9bf98b
Diameter
39971728
Circumference
125574887.03609
Area
1.2548613070593E+15
Volume
3.3439316562333E+22
Surface area
5.0194452282373E+15
Circumference
125574887.03609
Perimeter
79943456
Area
399434759826496
Diagonal
28264279.924544
Surface area
2396608558958976
Volume
7.983048786765E+21
Space diagonal
34616531.881162
Perimeter
59957592
Area
1.7296032458214E+14
Altitude
17308265.940581
Surface area
1.7296032458214E+14
Volume
9.408113219441E+20
Height
9421426.6415147