19744985 is an odd 8-digits composite number following 19744984
and preceding 19744986 . In scientific notation, it is written as 1.9744985 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors.
There are 13708800 positive integers (up to 19744985) that are relatively prime to 19744985.
19744985 has 32 divisors, whose sum is 27095040
The reverse of 19744985 is 58944791
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million seven hundred forty-four thousand nine hundred eighty-five
Scientific notation
1.9744985 × 10^7
Engineering notation
1.9744985 × 10^6
Prime Factorization
13 × 5 × 239 × 41 × 31
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19744985
Product of the distinct prime numbers
The prime factorization of 19744985 is 13 × 5 × 239 × 41 × 31.
Since it has a total of 5 prime factors.
10 , 1 , 28 , 97 , 766 , 368 , 7613 , 5541 , 75625 , 53304 , 115975 , 200219 , 6681299 , 9590222 , 60411658 , 26624429 , 479574830 , 831692021 , 9243681068 , 7263875961
n×2
39489970
n×3
59234955
n×4
78979940
n×5
98724925
n÷2
9872492.5
n÷3
6581661.6666667
n÷3
4936246.25
n÷5
3948997
n2
389864432650225
n3
7.6978673747122E+21
n4
1.5199427584568E+29
n5
3.0011246966588E+36
2 √n
4443.5329412529
3 √n
270.28312778517
4 √n
66.659830042185
5 √n
28.780037907432
1 , 5 , 13 , 31 , 41 , 65 , 155 , 205 , 239 , 403 , 533 , 1195 , 1271 , 2015 , 2665 , 3107 , 6355 , 7409 , 9799 , 15535 , 16523 , 37045 , 48995 , 82615 , 96317 , 127387 , 303769 , 481585 , 636935 , 1518845 , 3948997 , 19744985
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
-19744984
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 19744985 can be divided by 32 positive divisors.
The sum of these divisors (counting 19744985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011010100100011011001
3
Ternary
1101011011000202
4
Quaternary
1023110203121
5
Quinary
20023314420
6
Senary
1543111545
8
Octal
113244331
10
Decimal
19744985
12
Duodecimal
67425b5
16
Hexadecimal
12d48d9
20
Vigesimal
638295
36
Base36
br7bt
md5
9c1cc65e2636b2f5eca4c41d779245bd
sha1
124925ef7d118ced74380588fc43c2916f0c5f6d
sha256
9ca3204da6204fc49277ceb34b0c9efdaf2a689d2fb5d30cef2b44973294279a
sha512
7bff207039b7b3d8863593865a36b2e78889c4602a032f4d1b636fc10316ffa6798ef21e7919d39956e128734824f4980b8698f07d92a35677c11ae66116b635
ripemd-160
b7678b512275917fddbef6e0b4f1974b5432d6a2
Diameter
39489970
Circumference
124061399.64248
Area
1.2247952375099E+15
Volume
3.2244751456939E+22
Surface area
4.8991809500396E+15
Circumference
124061399.64248
Perimeter
78979940
Area
389864432650225
Diagonal
27923625.575853
Surface area
2339186595901350
Volume
7.6978673747122E+21
Space diagonal
34199317.214685
Perimeter
59234955
Area
1.6881625135355E+14
Altitude
17099658.607343
Surface area
1.6881625135355E+14
Volume
9.0720237022228E+20
Height
9307875.1919511