19991809 is an odd 8-digits composite number following 19991808
and preceding 19991810 . In scientific notation, it is written as 1.9991809 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 19957504 positive integers (up to 19991809) that are relatively prime to 19991809.
19991809 has 4 divisors, whose sum is 20026116
The reverse of 19991809 is 90819991
Previous prime number is 593
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred ninety-one thousand eight hundred nine
Scientific notation
1.9991809 × 10^7
Engineering notation
1.9991809 × 10^6
Prime Factorization
593 × 33713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19991809
Product of the distinct prime numbers
The prime factorization of 19991809 is 593 × 33713.
Since it has a total of 2 prime factors.
3 , 2 , 19 , 54 , 324 , 694 , 3764 , 7829 , 61090 , 82839 , 582833 , 380347 , 9236893 , 8738949 , 30588672 , 95885660 , 774480293 , 113668559 , 6889030583 , 2595205352
n×2
39983618
n×3
59975427
n×4
79967236
n×5
99959045
n÷2
9995904.5
n÷3
6663936.3333333
n÷3
4997952.25
n÷5
3998361.8
n2
399672427092481
n3
7.9901748249993E+21
n4
1.5973804897799E+29
n5
3.1934525652007E+36
2 √n
4471.2200795756
3 √n
271.40470027504
4 √n
66.867182381013
5 √n
28.851634299886
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
-19991808
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 19991809 can be divided by 4 positive divisors.
The sum of these divisors (counting 19991809) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000110100000001
3
Ternary
1101121200121101
4
Quaternary
1030100310001
5
Quinary
20104214214
6
Senary
1552254401
8
Octal
114206401
10
Decimal
19991809
12
Duodecimal
6841401
16
Hexadecimal
1310d01
20
Vigesimal
64ija9
36
Base36
bwhs1
md5
c6bc37fd447ea5eefea6f44630c1d1c2
sha1
8ada15ffc2675b28c03e90eafa02eff53f1e9e6d
sha256
bb3732763e8a231409b23a28c277a7bc9695ca2891e7953f37aee9dea5924d60
sha512
3b07dc669e2ec68e608258250fcf1bd1bacc7b582d5bee8d96ea44a25987d79466a346e70ca1410915b1009d76c647db64b3c7cd287845fd68be571afd6ba5b9
ripemd-160
7776c494a763eca0355004f5666e66360ca7fdc5
Diameter
39983618
Circumference
125612240.57274
Area
1.2556079607961E+15
Volume
3.3469166041488E+22
Surface area
5.0224318431846E+15
Circumference
125612240.57274
Perimeter
79967236
Area
399672427092481
Diagonal
28272687.424173
Surface area
2398034562554886
Volume
7.9901748249993E+21
Space diagonal
34626828.923213
Perimeter
59975427
Area
1.7306323752714E+14
Altitude
17313414.461606
Surface area
1.7306323752714E+14
Volume
9.4165113360384E+20
Height
9424229.1413908