1661525243 is an odd 10-digits composite number following 1661525242
and preceding 1661525244 . In scientific notation, it is written as 1.661525243 × 10^9.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 1269810432 positive integers (up to 1661525243) that are relatively prime to 1661525243.
1661525243 has 24 divisors, whose sum is 2122029792
The reverse of 1661525243 is 3425251661
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 35
Digital Root 8
Name
one billion six hundred sixty-one million five hundred twenty-five thousand two hundred forty-three
Scientific notation
1.661525243 × 10^9
Engineering notation
1.661525243 × 10^9
Prime Factorization
7 × 19 × 17 × 19 × 38677
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
87448697
Product of the distinct prime numbers
The prime factorization of 1661525243 is 7 × 19 × 17 × 19 × 38677.
Since it has a total of 5 prime factors.
6 , 1 , 77 , 60 , 31 , 324 , 9415 , 3401 , 84894 , 77092 , 94849 , 690877 , 9205899 , 1310984 , 52867503 , 95353142 , 198053127 , 766844937 , 8811383226 , 2453443080
n×2
3323050486
n×3
4984575729
n×4
6646100972
n×5
8307626215
n÷2
830762621.5
n÷3
553841747.66667
n÷3
415381310.75
n÷5
332305048.6
n2
2760666133126209049
n3
4.5869164676844E+27
n4
7.62127749859E+36
n5
1.2662944947815E+46
2 √n
40761.811085868
3 √n
1184.4106793326
4 √n
201.89554498767
5 √n
69.839542980894
1 , 7 , 17 , 19 , 119 , 133 , 323 , 361 , 2261 , 2527 , 6137 , 38677 , 42959 , 270739 , 657509 , 734863 , 4602563 , 5144041 , 12492671 , 13962397 , 87448697 , 97736779 , 237360749 , 1661525243
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1661525242
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1661525243 can be divided by 24 positive divisors.
The sum of these divisors (counting 1661525243) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100011000010001101110011111011
3
Ternary
11021210110020010222
4
Quaternary
1203002031303323
5
Quinary
11400322301433
6
Senary
432512130255
8
Octal
14302156373
10
Decimal
1661525243
12
Duodecimal
3a453698b
16
Hexadecimal
6308dcfb
20
Vigesimal
15j4ad23
36
Base36
rh892z
md5
5b948c3d9326da4ab46c63e13434bac0
sha1
ae0d0cd36861455c761e4de5a0d1dc73337c9f35
sha256
3e467ed1b43cdc7c4600ffabfa4ee76bc02bf7145e1a5f1b20fc7bb024777303
sha512
46ecf27d9e1d0ab2d4433bd8bdaa9e0be14ae509b349692894efef1584c5c621835a0e248747dd2bc5f1a82dcbc89cbadd513cd4612369507b5a865f875c4a6c
ripemd-160
191dd7890364096cf6fc02747fddea2e561b6927
Diameter
3323050486
Circumference
10439670994.326
Area
8.6728884428434E+18
Volume
1.921363077001E+28
Surface area
3.4691553771374E+19
Circumference
10439670994.326
Perimeter
6646100972
Area
2760666133126209049
Diagonal
2349751532.8759
Surface area
1.6563996798757E+19
Volume
4.5869164676844E+27
Space diagonal
2877846138.9342
Perimeter
4984575729
Area
1.1954035013273E+18
Altitude
1438923069.4671
Surface area
1.1954035013273E+18
Volume
5.4057328983931E+26
Height
783250510.95862