19943821 is an odd 8-digits composite number following 19943820
and preceding 19943822 . In scientific notation, it is written as 1.9943821 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 19703452 positive integers (up to 19943821) that are relatively prime to 19943821.
19943821 has 4 divisors, whose sum is 20184192
The reverse of 19943821 is 12834991
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million nine hundred forty-three thousand eight hundred twenty-one
Scientific notation
1.9943821 × 10^7
Engineering notation
1.9943821 × 10^6
Prime Factorization
83 × 240287
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19943821
Product of the distinct prime numbers
The prime factorization of 19943821 is 83 × 240287.
Since it has a total of 2 prime factors.
10 , 4 , 90 , 49 , 656 , 273 , 2916 , 4877 , 96889 , 20828 , 955894 , 458408 , 4425343 , 6374874 , 95501811 , 53807457 , 301393150 , 168826728 , 5127003233 , 5580817330
n×2
39887642
n×3
59831463
n×4
79775284
n×5
99719105
n÷2
9971910.5
n÷3
6647940.3333333
n÷3
4985955.25
n÷5
3988764.2
n2
397755996080041
n3
7.932774387497E+21
n4
1.5820983241763E+29
n5
3.1553085781771E+36
2 √n
4465.8505348925
3 √n
271.18736787198
4 √n
66.8270194973
5 √n
28.83776998668
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
-19943820
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 19943821 can be divided by 4 positive divisors.
The sum of these divisors (counting 19943821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100000101000110001101
3
Ternary
1101112020210001
4
Quaternary
1030011012031
5
Quinary
20101200241
6
Senary
1551244301
8
Octal
114050615
10
Decimal
19943821
12
Duodecimal
6819691
16
Hexadecimal
130518d
20
Vigesimal
64cjb1
36
Base36
bvgr1
md5
2e22390e3a047d6f0b8014e1c6a04076
sha1
4571c2a14983af35cd7276cbe6ca2cb07cad826e
sha256
054c45860622dee58443a620ba933245fdedbec5e4b46b2a6c23381e73e17fa9
sha512
86e5dc1a4f8875773caa1d9bc01509de3cec887ca6c93d02bd89b7ecbae597441359b7e01bf1db2f311134ead31619ec55149eaea4203937e4dd715a6180e41d
ripemd-160
ba9b71648a8a0cee44dad58f9ae5c84c534e291f
Diameter
39887642
Circumference
125310723.07622
Area
1.2495873152063E+15
Volume
3.3228727651128E+22
Surface area
4.9983492608254E+15
Circumference
125310723.07622
Perimeter
79775284
Area
397755996080041
Diagonal
28204822.143741
Surface area
2386535976480246
Volume
7.932774387497E+21
Space diagonal
34543711.269059
Perimeter
59831463
Area
1.7223339855645E+14
Altitude
17271855.63453
Surface area
1.7223339855645E+14
Volume
9.3488642717035E+20
Height
9401607.3812471