20191649 is an odd 8-digits composite number following 20191648
and preceding 20191650 . In scientific notation, it is written as 2.0191649 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 20002836 positive integers (up to 20191649) that are relatively prime to 20191649.
20191649 has 4 divisors, whose sum is 20380464
The reverse of 20191649 is 94619102
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred ninety-one thousand six hundred forty-nine
Scientific notation
2.0191649 × 10^7
Engineering notation
2.0191649 × 10^6
Prime Factorization
107 × 188707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20191649
Product of the distinct prime numbers
The prime factorization of 20191649 is 107 × 188707.
Since it has a total of 2 prime factors.
6 , 3 , 29 , 19 , 864 , 1000 , 4575 , 9982 , 49115 , 202 , 197424 , 612994 , 4451719 , 9962874 , 42165190 , 84706846 , 471636499 , 394344873 , 20717246 , 9947519248
n×2
40383298
n×3
60574947
n×4
80766596
n×5
100958245
n÷2
10095824.5
n÷3
6730549.6666667
n÷3
5047912.25
n÷5
4038329.8
n2
407702689339201
n3
8.2321895994932E+21
n4
1.6622148289442E+29
n5
3.3562858388636E+36
2 √n
4493.5118782529
3 √n
272.306032602
4 √n
67.033662276896
5 √n
28.90908576987
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
-20191648
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 20191649 can be divided by 4 positive divisors.
The sum of these divisors (counting 20191649) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001100110100001
3
Ternary
1101222211201212
4
Quaternary
1031001212201
5
Quinary
20132113044
6
Senary
2000435505
8
Octal
115014641
10
Decimal
20191649
12
Duodecimal
6918b95
16
Hexadecimal
13419a1
20
Vigesimal
663j29
36
Base36
c0rz5
md5
c99629372fd0531b3dfd3a4192935e38
sha1
5993aac66c5bdd8bcf1c64e4ee17a7d03d074aa4
sha256
75bb08bcbc36649554ea9bd4313133f76317d75c586621b355e3803542a01260
sha512
dcfe9a101d36f7cf8b9bc3e3dc56b8fb75354c25714e08c90b97e061033f353aaaf56199331ea016208decb7c6e34cf0b1c9dee97cec121bff3773e7ec5edaf3
ripemd-160
4b6c06a84d3c9ed3aebf59f08e475d473f3d933d
Diameter
40383298
Circumference
126867872.32453
Area
1.2808357736768E+15
Volume
3.4482915158301E+22
Surface area
5.1233430947073E+15
Circumference
126867872.32453
Perimeter
80766596
Area
407702689339201
Diagonal
28555303.862477
Surface area
2446216136035206
Volume
8.2321895994932E+21
Space diagonal
34972961.956597
Perimeter
60574947
Area
1.7654044307949E+14
Altitude
17486480.978299
Surface area
1.7654044307949E+14
Volume
9.701728483025E+20
Height
9518434.6208257