19621 is an odd 5-digits composite number following 19620
and preceding 19622 . In scientific notation, it is written as 1.9621 × 10^4.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 16812 positive integers (up to 19621) that are relatively prime to 19621.
19621 has 4 divisors, whose sum is 22432
The reverse of 19621 is 12691
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 19
Digital Root 1
Name
nineteen thousand six hundred twenty-one
Scientific notation
1.9621 × 10^4
Engineering notation
1.9621 × 10^3
Prime Factorization
7 × 2803
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19621
Product of the distinct prime numbers
The prime factorization of 19621 is 7 × 2803.
Since it has a total of 2 prime factors.
5 , 6 , 66 , 48 , 795 , 531 , 1099 , 9193 , 51880 , 41896 , 819488 , 452182 , 5952647 , 6494572 , 37284649 , 32583230 , 643081227 , 859386750 , 9039849979 , 4049054033
n×2
39242
n×3
58863
n×4
78484
n×5
98105
n÷2
9810.5
n÷3
6540.3333333333
n÷3
4905.25
n÷5
3924.2
n2
384983641
n3
7553764020061
n4
148212403837616881
n5
2.9080755756979E+21
2 √n
140.07497992147
3 √n
26.971620844702
4 √n
11.835327622059
5 √n
7.2201168720916
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19621 can be divided by 4 positive divisors.
The sum of these divisors (counting 19621) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010100101
3
Ternary
222220201
4
Quaternary
10302211
5
Quinary
1111441
6
Senary
230501
8
Octal
46245
10
Decimal
19621
12
Duodecimal
b431
16
Hexadecimal
4ca5
20
Vigesimal
2911
36
Base36
f51
md5
2d1d0dfae8888d333d9c8d69c59e74d5
sha1
a094a0485e5dbd6998ce57d550029c6361e2a82c
sha256
01957f152c2670a504f5fc1d046ddae442b41ea15ef898eb9381f3026fe81bfb
sha512
89f56a6018b905124686c08e60559b47e730d72ea43a659aed0d78540516590609800d14ad92d5ef9b207e4b47f64a0ad37e5a325af11b05dc4c58d4ffccc17a
ripemd-160
e44dda4427f4f4b2b5669dddcb22f148e8293520
Diameter
39242
Circumference
123282.37891217
Area
1209461778.3179
Volume
31641132736499
Surface area
4837847113.2714
Circumference
123282.37891217
Perimeter
78484
Area
384983641
Diagonal
27748.284307323
Surface area
2309901846
Volume
7553764020061
Space diagonal
33984.568895309
Perimeter
58863
Area
166702806.57371
Altitude
16992.284447654
Surface area
166702806.57371
Volume
890219627011.35
Height
9249.4281024408