189905621 is an odd 9-digits composite number following 189905620
and preceding 189905622 . In scientific notation, it is written as 1.89905621 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 189873132 positive integers (up to 189905621) that are relatively prime to 189905621.
189905621 has 4 divisors, whose sum is 189938112
The reverse of 189905621 is 126509981
Previous prime number is 7643
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred eighty-nine million nine hundred five thousand six hundred twenty-one
Scientific notation
1.89905621 × 10^8
Engineering notation
1.89905621 × 10^6
Prime Factorization
7643 × 24847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
189905621
Product of the distinct prime numbers
The prime factorization of 189905621 is 7643 × 24847.
Since it has a total of 2 prime factors.
5 , 9 , 68 , 58 , 863 , 504 , 2662 , 9169 , 18224 , 93376 , 627666 , 726237 , 3255328 , 6727944 , 61628243 , 34468820 , 815647038 , 908725194 , 627725002 , 9989300499
n×2
379811242
n×3
569716863
n×4
759622484
n×5
949528105
n÷2
94952810.5
n÷3
63301873.666667
n÷3
47476405.25
n÷5
37981124.2
n2
36064144887395641
n3
6.8487838306748E+24
n4
1.3006225464591E+33
n5
2.4699553237191E+41
2 √n
13780.624840696
3 √n
574.79450350496
4 √n
117.39090612435
5 √n
45.25927199067
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
-189905620
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 189905621 can be divided by 4 positive divisors.
The sum of these divisors (counting 189905621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011010100011011101011010101
3
Ternary
111020100012112112
4
Quaternary
23110123223111
5
Quinary
342103434441
6
Senary
30502200405
8
Octal
1324335325
10
Decimal
189905621
12
Duodecimal
53723105
16
Hexadecimal
b51bad5
20
Vigesimal
2j6i411
36
Base36
352c45
md5
232e3bc4feac2d42f9730b43baa3cbf9
sha1
55b79262327a8cedbd31611e36e3b139e7ac8f95
sha256
385f7914a3b17528ce26886d89b741b07fb24d02fdb31143d9f5d85e76bce835
sha512
b5c84eb4b11d159287c3b3e1cabb0a8cdd488b29c3d8e0b623a1810d1515fab39548456a2546e54427be6c84f0d762ba396d16a18b956b84bfb4a7e4ea9e282a
ripemd-160
e55def4e4d79ce82252a19e8640a1d6829138cba
Diameter
379811242
Circumference
1193212207.618
Area
1.1329885263624E+17
Volume
2.868811862463E+25
Surface area
4.5319541054496E+17
Circumference
1193212207.618
Perimeter
759622484
Area
36064144887395641
Diagonal
268567104.78908
Surface area
216384869324373846
Volume
6.8487838306748E+24
Space diagonal
328926184.21492
Perimeter
569716863
Area
1.5616232819124E+16
Altitude
164463092.10746
Surface area
1.5616232819124E+16
Volume
8.0713691492516E+23
Height
89522368.263028