19996821 is an odd 8-digits composite number following 19996820
and preceding 19996822 . In scientific notation, it is written as 1.9996821 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 11765952 positive integers (up to 19996821) that are relatively prime to 19996821.
19996821 has 8 divisors, whose sum is 26683104
The reverse of 19996821 is 12869991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred ninety-six thousand eight hundred twenty-one
Scientific notation
1.9996821 × 10^7
Engineering notation
1.9996821 × 10^6
Prime Factorization
2691 × 3 × 2477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19996821
Product of the distinct prime numbers
The prime factorization of 19996821 is 2691 × 3 × 2477.
Since it has a total of 3 prime factors.
6 , 4 , 1 , 83 , 877 , 32 , 6486 , 8109 , 75902 , 2216 , 538121 , 945616 , 9634894 , 3425195 , 4123172 , 95356807 , 15381234 , 473243917 , 958946344 , 1396416534
n×2
39993642
n×3
59990463
n×4
79987284
n×5
99984105
n÷2
9998410.5
n÷3
6665607
n÷3
4999205.25
n÷5
3999364.2
n2
399872850106041
n3
7.9961858063303E+21
n4
1.5989829625193E+29
n5
3.1974576083548E+36
2 √n
4471.7805178698
3 √n
271.42737900808
4 √n
66.871372932443
5 √n
28.853080791219
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
-19996820
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 19996821 can be divided by 8 positive divisors.
The sum of these divisors (counting 19996821) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010010000010010101
3
Ternary
1101121221111000
4
Quaternary
1030102002111
5
Quinary
20104344241
6
Senary
1552333513
8
Octal
114220225
10
Decimal
19996821
12
Duodecimal
6844299
16
Hexadecimal
1312095
20
Vigesimal
64jc11
36
Base36
bwln9
md5
40239755ab4debefa7c0ec245928273d
sha1
0c5092b3beea8b1948e11e64605a376bf49bc59b
sha256
d7692f826a549105cc9be011ec250ea768df64925db5b5ed0bf143a64e0a8f03
sha512
ea0540c881ab2233e6bfcb4f33af6fd68bab97d446922e9dd27f8caa97590a3a9e8d1844918c1cacd882958295dc5c7caa7d2b5791930490c06dfdefa75fcd7a
ripemd-160
fbec5e5e34125a15ba00d396d747a80ee0e9134d
Diameter
39993642
Circumference
125643731.8975
Area
1.2562376082632E+15
Volume
3.3494344781208E+22
Surface area
5.0249504330526E+15
Circumference
125643731.8975
Perimeter
79987284
Area
399872850106041
Diagonal
28279775.462547
Surface area
2399237100636246
Volume
7.9961858063303E+21
Space diagonal
34635509.96186
Perimeter
59990463
Area
1.7315002323776E+14
Altitude
17317754.98093
Surface area
1.7315002323776E+14
Volume
9.423595345473E+20
Height
9426591.820849