19744 is an even 5-digits composite number following 19743
and preceding 19745 . In scientific notation, it is written as 1.9744 × 10^4.
The sum of its digits is 25. It has a total of 6 prime factors and 12 positive divisors.
There are 9856 positive integers (up to 19744) that are relatively prime to 19744.
19744 has 12 divisors, whose sum is 38934
The reverse of 19744 is 44791
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 25
Digital Root 7
Name
nineteen thousand seven hundred forty-four
Scientific notation
1.9744 × 10^4
Engineering notation
1.9744 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1234
Product of the distinct prime numbers
The prime factorization of 19744 is 2 × 2 × 2 × 2 × 2 × 617.
Since it has a total of 6 prime factors.
2 , 8 , 94 , 48 , 982 , 272 , 4537 , 3712 , 68164 , 33561 , 956431 , 127078 , 1894121 , 6170066 , 42616461 , 79019365 , 548574979 , 492811524 , 2659280543 , 8469421369
n×2
39488
n×3
59232
n×4
78976
n×5
98720
n÷2
9872
n÷3
6581.3333333333
n÷3
4936
n÷5
3948.8
n2
389825536
n3
7696715382784
n4
151963948517687296
n5
3.0003761995332E+21
2 √n
140.513344562
3 √n
27.027863325473
4 √n
11.853832484138
5 √n
7.2291465428783
1 , 2 , 4 , 8 , 16 , 32 , 617 , 1234 , 2468 , 4936 , 9872 , 19744
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19743
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19744 can be divided by 12 positive divisors.
The sum of these divisors (counting 19744) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110100100000
3
Ternary
1000002021
4
Quaternary
10310200
5
Quinary
1112434
6
Senary
231224
8
Octal
46440
10
Decimal
19744
12
Duodecimal
b514
16
Hexadecimal
4d20
20
Vigesimal
2974
36
Base36
f8g
md5
314e6ef5dee5ca3a61707d40a0e08d76
sha1
7ddef1c0ec765052286ad20c8b5f48ded62958c3
sha256
8a39c2fc02ac7014bba9e237fb03e01c3731f568b1b8ec1f4588d52e3fbb38c2
sha512
1c8e138379985fbe4720dec94fae19455535fd399455484ddf55918030afcf983f748f658a4dc9f1f4fc47534a619a102c5b5a71a9a1ae0ec21ff93032b071be
ripemd-160
8bb27083a550a3be271710a4f3e60fe290dcdf38
Diameter
39488
Circumference
124055.21070495
Area
1224673040.0793
Volume
32239926004434
Surface area
4898692160.3172
Circumference
124055.21070495
Perimeter
78976
Area
389825536
Diagonal
27922.232575494
Surface area
2338953216
Volume
7696715382784
Space diagonal
34197.61114464
Perimeter
59232
Area
168799408.60994
Altitude
17098.80557232
Surface area
168799408.60994
Volume
907066606671.56
Height
9307.4108584981