20191664 is an even 8-digits composite number following 20191663
and preceding 20191665 . In scientific notation, it is written as 2.0191664 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 9769920 positive integers (up to 20191664) that are relatively prime to 20191664.
20191664 has 20 divisors, whose sum is 40384320
The reverse of 20191664 is 46619102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred ninety-one thousand six hundred sixty-four
Scientific notation
2.0191664 × 10^7
Engineering notation
2.0191664 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 31 × 40709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2523958
Product of the distinct prime numbers
The prime factorization of 20191664 is 2 × 2 × 2 × 2 × 31 × 40709.
Since it has a total of 6 prime factors.
1 , 10 , 61 , 82 , 217 , 83 , 4831 , 371 , 57194 , 23788 , 659620 , 254437 , 4661249 , 8938920 , 16433210 , 6745639 , 898553645 , 193263525 , 5863394980 , 9038384233
n×2
40383328
n×3
60574992
n×4
80766656
n×5
100958320
n÷2
10095832
n÷3
6730554.6666667
n÷3
5047916
n÷5
4038332.8
n2
407703295088896
n3
8.2322079461278E+21
n4
1.6622197682634E+29
n5
3.3562983054933E+36
2 √n
4493.5135473257
3 √n
272.30610003235
4 √n
67.033674726407
5 √n
28.909090065073
1 , 2 , 4 , 8 , 16 , 31 , 62 , 124 , 248 , 496 , 40709 , 81418 , 162836 , 325672 , 651344 , 1261979 , 2523958 , 5047916 , 10095832 , 20191664
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20191663
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20191664 can be divided by 20 positive divisors.
The sum of these divisors (counting 20191664) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101000001100110110000
3
Ternary
1101222211202102
4
Quaternary
1031001212300
5
Quinary
20132113124
6
Senary
2000435532
8
Octal
115014660
10
Decimal
20191664
12
Duodecimal
6918ba8
16
Hexadecimal
13419b0
20
Vigesimal
663j34
36
Base36
c0rzk
md5
d159be9c327a0d908e8cb7660e79dda2
sha1
622d9b76bd585211c4dce8b7e5f18b2b255d67a0
sha256
8bd5a6e5971405b3f64e53f67eee4841254a93f0599a79ea0ba524fd99004c09
sha512
d3b7fa84c808c885db1578409b5a587b45c7c7be579a52c0e2a4495572ae844473510c268cb698a09a32c423e249c0786ee001ac3cdf0cb98dccd70e9d13e9b8
ripemd-160
b508845b8b6a5a1e645e9460fa6f39cc2722f988
Diameter
40383328
Circumference
126867966.57231
Area
1.2808376766956E+15
Volume
3.4482992008505E+22
Surface area
5.1233507067825E+15
Circumference
126867966.57231
Perimeter
80766656
Area
407703295088896
Diagonal
28555325.075681
Surface area
2446219770533376
Volume
8.2322079461278E+21
Space diagonal
34972987.937359
Perimeter
60574992
Area
1.765407053768E+14
Altitude
17486493.96868
Surface area
1.765407053768E+14
Volume
9.7017501047413E+20
Height
9518441.6918935