189997689 is an odd 9-digits composite number following 189997688
and preceding 189997690 . In scientific notation, it is written as 1.89997689 × 10^8.
The sum of its digits is 66. It has a total of 2 prime factors and 4 positive divisors.
There are 108570096 positive integers (up to 189997689) that are relatively prime to 189997689.
189997689 has 4 divisors, whose sum is 199045220
The reverse of 189997689 is 986799981
Previous prime number is 21
Is Prime? no Number parity odd Number length 9 Sum of Digits 66 Digital Root 3
Name
one hundred eighty-nine million nine hundred ninety-seven thousand six hundred eighty-nine
Scientific notation
1.89997689 × 10^8
Engineering notation
1.89997689 × 10^6
Prime Factorization
21 × 9047509
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
189997689 Product of the distinct prime numbers
The prime factorization of 189997689 is 21 × 9047509.
Since it has a total of 2 prime factors.
4 , 4 , 56 , 94 , 333 , 836 , 3307 , 5122 , 73397 , 76493 , 349730 , 148290 , 2528468 , 3889527 , 4218040 , 36444410 , 530439681 , 563298594 , 7167662756 , 9485102457
n×2
379995378
n×3
569993067
n×4
759990756
n×5
949988445
n÷2
94998844.5
n÷3
63332563
n÷3
47499422.25
n÷5
37999537.8
n2
36099121825340721
n3
6.8587497217442E+24
n4
1.3031465965608E+33
n5
2.4759484177477E+41
2 √n13783.964923055
3 √n574.88737706027
4 √n117.4051315874
5 √n45.26365956256
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
-189997688 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 189997689 can be divided by 4 positive divisors.
The sum of these divisors (counting 189997689) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010100110010001001111001
3
Ternary
111020111212211110
4
Quaternary
23110302021321
5
Quinary
342114411224
6
Senary
30504150533
8
Octal
1324621171
10
Decimal
189997689
12
Duodecimal
53768449
16
Hexadecimal
b532279
20
Vigesimal
2j79e49
36
Base36
354b5l
md5
df7d9fc4401d7b6bdd6f1917f4780d4f
sha1
2c747845eecd9ef8f840bfbe6a43a6f1f9a6ca81
sha256
7cd4b82c82544cb5b67654689e57d2b70152367ee5b79b5edd7b835af599a37f
sha512
58e0d55ea6908a2c1eb7cdfbf8dfc9415e6367b530d83d9a372d859e0823445776ba9f7fad6a9bfd805a5288d1f1dfecd945e0e1770819f83a12c7f1cedd571e
ripemd-160
53bc5b399e5077ee9e69a45c4c703aebc43974d6
Diameter
379995378
Circumference
1193790687.9229
Area
1.1340873592753E+17
Volume
2.8729863651523E+25
Surface area
4.5363494371013E+17
Circumference
1193790687.9229
Perimeter
759990756
Area
36099121825340721
Diagonal
268697308.60335
Surface area
216594730952044326
Volume
6.8587497217442E+24
Space diagonal
329085650.66867
Perimeter
569993067
Area
1.5631378277527E+16
Altitude
164542825.33434
Surface area
1.5631378277527E+16
Volume
8.0831140645111E+23
Height
89565769.534448