156668990 is an even 9-digits composite number following 156668989
and preceding 156668991 . In scientific notation, it is written as 1.56668990 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 62625600 positive integers (up to 156668990) that are relatively prime to 156668990.
156668990 has 16 divisors, whose sum is 282193200
The reverse of 156668990 is 099866651
Previous prime number is 1801
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred fifty-six million six hundred sixty-eight thousand nine hundred ninety
Scientific notation
1.56668990 × 10^8
Engineering notation
1.56668990 × 10^6
Prime Factorization
2 × 5 × 1801 × 8699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156668990
Product of the distinct prime numbers
The prime factorization of 156668990 is 2 × 5 × 1801 × 8699.
Since it has a total of 4 prime factors.
10 , 2 , 71 , 49 , 757 , 176 , 7656 , 294 , 42426 , 10545 , 7310 , 16292 , 1873042 , 974745 , 89825694 , 47018913 , 746586271 , 600089697 , 7289810055 , 6707487123
n×2
313337980
n×3
470006970
n×4
626675960
n×5
783344950
n÷2
78334495
n÷3
52222996.666667
n÷3
39167247.5
n÷5
31333798
n2
24545172427620100
n3
3.8454673736111E+24
n4
6.024654895016E+32
n5
9.4387659750072E+40
2 √n
12516.748379671
3 √n
539.08967566981
4 √n
111.87827483328
5 √n
43.550847292523
1 , 2 , 5 , 10 , 1801 , 3602 , 8699 , 9005 , 17398 , 18010 , 43495 , 86990 , 15666899 , 31333798 , 78334495 , 156668990
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156668989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156668990 can be divided by 16 positive divisors.
The sum of these divisors (counting 156668990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010101101001010000111110
3
Ternary
101220210121110012
4
Quaternary
21111221100332
5
Quinary
310101401430
6
Senary
23313543222
8
Octal
1125512076
10
Decimal
156668990
12
Duodecimal
44574b12
16
Hexadecimal
956943e
20
Vigesimal
28j3c9a
36
Base36
2l9yke
md5
b3919ef1bbe5a477e448932155df668e
sha1
08e3f7d5713bf565b9677098378b75d73167f9fd
sha256
720cad555dfccb7d95fc219b509e000bb22907e30b9a8ce011f51154bd848c11
sha512
599848d2a2f7bdbe30d28fceb73cca9d0bb6de4a775a9f9b163896e0caad4fdc92b56a497ce1876c95df0f555bdb0d5aaacccf2919a4fb14be4246a924ed4fa4
ripemd-160
94f435f905a931da017709a5a220f25d3afce212
Diameter
313337980
Circumference
984380296.05867
Area
7.7110933379706E+16
Volume
1.6107856067408E+25
Surface area
3.0844373351882E+17
Circumference
984380296.05867
Perimeter
626675960
Area
24545172427620100
Diagonal
221563410.46129
Surface area
147271034565720600
Volume
3.8454673736111E+24
Space diagonal
271358650.6505
Perimeter
470006970
Area
1.0628371431294E+16
Altitude
135679325.32525
Surface area
1.0628371431294E+16
Volume
4.5319267611867E+23
Height
73854470.153765