189997805 is an odd 9-digits composite number following 189997804
and preceding 189997806 . In scientific notation, it is written as 1.89997805 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 151998240 positive integers (up to 189997805) that are relatively prime to 189997805.
189997805 has 4 divisors, whose sum is 227997372
The reverse of 189997805 is 508799981
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred eighty-nine million nine hundred ninety-seven thousand eight hundred five
Scientific notation
1.89997805 × 10^8
Engineering notation
1.89997805 × 10^6
Prime Factorization
5 × 37999561
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
189997805
Product of the distinct prime numbers
The prime factorization of 189997805 is 5 × 37999561.
Since it has a total of 2 prime factors.
9 , 5 , 33 , 81 , 123 , 973 , 1494 , 1555 , 76386 , 75855 , 58364 , 508153 , 9950255 , 7378792 , 17640927 , 470104 , 284272794 , 144221644 , 9610029556 , 7175599185
n×2
379995610
n×3
569993415
n×4
759991220
n×5
949989025
n÷2
94998902.5
n÷3
63332601.666667
n÷3
47499451.25
n÷5
37999561
n2
36099165904818025
n3
6.8587622842463E+24
n4
1.3031497790236E+33
n5
2.4759559760071E+41
2 √n
13783.969130842
3 √n
574.88749405629
4 √n
117.40514950734
5 √n
45.263665089557
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
-189997804
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 189997805 can be divided by 4 positive divisors.
The sum of these divisors (counting 189997805) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010100110010001011101101
3
Ternary
111020111212222202
4
Quaternary
23110302023231
5
Quinary
342114412210
6
Senary
30504151245
8
Octal
1324621355
10
Decimal
189997805
12
Duodecimal
53768525
16
Hexadecimal
b5322ed
20
Vigesimal
2j79ea5
36
Base36
354b8t
md5
eec66ca282dc70f8993c6d93cd1287d8
sha1
88da916687f03c43b56889d8c21dc713b09d31d9
sha256
5b43e99104dabba1e979160567cbafb5d478ea84d596e13aa5ba00985f4ad671
sha512
87e594054b5a5a9b94ce2bb362e39f2ce2cabb4574338531f929fa30a64949546c4d65aedb210597828f8a1407776e9fda85387c5ce3af6317eb3f0953392e29
ripemd-160
4efbbcdbdf4112b2d6487c18a1dd43498c7c721d
Diameter
379995610
Circumference
1193791416.7724
Area
1.134088744073E+17
Volume
2.8729916273209E+25
Surface area
4.5363549762918E+17
Circumference
1193791416.7724
Perimeter
759991220
Area
36099165904818025
Diagonal
268697472.65212
Surface area
216594995428908150
Volume
6.8587622842463E+24
Space diagonal
329085851.58656
Perimeter
569993415
Area
1.5631397364501E+16
Altitude
164542925.79328
Surface area
1.5631397364501E+16
Volume
8.0831288695618E+23
Height
89565824.217373