19821946 is an even 8-digits composite number following 19821945
and preceding 19821947 . In scientific notation, it is written as 1.9821946 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 9910972 positive integers (up to 19821946) that are relatively prime to 19821946.
19821946 has 4 divisors, whose sum is 29732922
The reverse of 19821946 is 64912891
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million eight hundred twenty-one thousand nine hundred forty-six
Scientific notation
1.9821946 × 10^7
Engineering notation
1.9821946 × 10^6
Prime Factorization
2 × 9910973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19821946
Product of the distinct prime numbers
The prime factorization of 19821946 is 2 × 9910973.
Since it has a total of 2 prime factors.
8 , 5 , 40 , 1 , 857 , 551 , 5423 , 9264 , 89595 , 43404 , 796238 , 868567 , 7957263 , 1775282 , 27212963 , 55966963 , 214939684 , 267119662 , 2155051487 , 3905889121
n×2
39643892
n×3
59465838
n×4
79287784
n×5
99109730
n÷2
9910973
n÷3
6607315.3333333
n÷3
4955486.5
n÷5
3964389.2
n2
392909543226916
n3
7.7882317487286E+21
n4
1.5437790915878E+29
n5
3.0600705789383E+36
2 √n
4452.1844076812
3 √n
270.63383780322
4 √n
66.724691139647
5 √n
28.802438483968
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
-19821945
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 19821946 can be divided by 4 positive divisors.
The sum of these divisors (counting 19821946) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011100111010101111010
3
Ternary
1101022001121011
4
Quaternary
1023213111322
5
Quinary
20033300241
6
Senary
1544504134
8
Octal
113472572
10
Decimal
19821946
12
Duodecimal
677b04a
16
Hexadecimal
12e757a
20
Vigesimal
63heh6
36
Base36
bsupm
md5
0b8895cccf189f0d41df509b4e73dce7
sha1
c73c09319085adfff81996490b47cae64753734f
sha256
9bdc879c4afb8719a462fa497652f0f6e353beb8e08f9ea23ec4d5321ddfc324
sha512
f25d18c3b073c3aa41a73779d78d46d7da204293c16245af88155bf7ee88a60e7038351f47803d7a3736507b9ad45691c1f5e03693a3570a30495c9f50fc067e
ripemd-160
bab64d5eafc6eb0a47772d7d31c6b7cbd1d458ed
Diameter
39643892
Circumference
124544959.86691
Area
1.234361734527E+15
Volume
3.2623268861681E+22
Surface area
4.937446938108E+15
Circumference
124544959.86691
Perimeter
79287784
Area
392909543226916
Diagonal
28032464.865827
Surface area
2357457259361496
Volume
7.7882317487286E+21
Space diagonal
34332617.576887
Perimeter
59465838
Area
1.7013482291192E+14
Altitude
17166308.788443
Surface area
1.7013482291192E+14
Volume
9.1785191382973E+20
Height
9344154.9552757