19790 is an even 5-digits composite number following 19789
and preceding 19791 . In scientific notation, it is written as 1.9790 × 10^4.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 7912 positive integers (up to 19790) that are relatively prime to 19790.
19790 has 8 divisors, whose sum is 35640
The reverse of 19790 is 09791
Previous prime number is 5
Is Prime? no
Number parity even
Number length 5
Sum of Digits 26
Digital Root 8
Name
nineteen thousand seven hundred ninety
Scientific notation
1.9790 × 10^4
Engineering notation
1.9790 × 10^3
Prime Factorization
2 × 5 × 1979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19790
Product of the distinct prime numbers
The prime factorization of 19790 is 2 × 5 × 1979.
Since it has a total of 3 prime factors.
4 , 8 , 56 , 85 , 575 , 415 , 3196 , 520 , 15728 , 55547 , 125206 , 42883 , 2261609 , 9274955 , 64181866 , 860120 , 931491662 , 689781566 , 5439369608 , 1684004854
n×2
39580
n×3
59370
n×4
79160
n×5
98950
n÷2
9895
n÷3
6596.6666666667
n÷3
4947.5
n÷5
3958
n2
391644100
n3
7750636739000
n4
153385101064810000
n5
3.0354911500726E+21
2 √n
140.6769348543
3 √n
27.048837079849
4 √n
11.860730789218
5 √n
7.2325119325584
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
-19789
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 19790 can be divided by 8 positive divisors.
The sum of these divisors (counting 19790) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101001110
3
Ternary
1000010222
4
Quaternary
10311032
5
Quinary
1113130
6
Senary
231342
8
Octal
46516
10
Decimal
19790
12
Duodecimal
b552
16
Hexadecimal
4d4e
20
Vigesimal
299a
36
Base36
f9q
md5
798e5a5dc5f4a19afa7b8502edb5f2f1
sha1
0a74bf9baa6fbe387747df6d492f16fbb3cf3dff
sha256
b60e03ea939c7cc451a63ff87d52e3e8c781354c2f2a5f86882ec327845d2fdd
sha512
cda9b2a49657764a9685332fa2a8f27475ad81a2c21fff0a04cef3e8d86eb7920a388a81b877d84e1bfda239977660f3332f1ee5bee872dc9e63643f0faa0e21
ripemd-160
8ba9d1feeb883c906c11666db62864f113100b2d
Diameter
39580
Circumference
124344.23722908
Area
1230386227.3818
Volume
32465791253181
Surface area
4921544909.5271
Circumference
124344.23722908
Perimeter
79160
Area
391644100
Diagonal
27987.286399364
Surface area
2349864600
Volume
7750636739000
Space diagonal
34277.285481788
Perimeter
59370
Area
169586869.92115
Altitude
17138.642740894
Surface area
169586869.92115
Volume
913421299443.41
Height
9329.0954664545