1243669985 is an odd 10-digits composite number following 1243669984
and preceding 1243669986 . In scientific notation, it is written as 1.243669985 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 942570864 positive integers (up to 1243669985) that are relatively prime to 1243669985.
1243669985 has 8 divisors, whose sum is 1570951680
The reverse of 1243669985 is 5899663421
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion two hundred forty-three million six hundred sixty-nine thousand nine hundred eighty-five
Scientific notation
1.243669985 × 10^9
Engineering notation
1.243669985 × 10^9
Prime Factorization
5 × 19 × 13091263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1243669985
Product of the distinct prime numbers
The prime factorization of 1243669985 is 5 × 19 × 13091263.
Since it has a total of 3 prime factors.
1 , 5 , 24 , 2 , 119 , 961 , 4266 , 9708 , 32979 , 4823 , 964448 , 329614 , 1012682 , 7201231 , 33676455 , 24779575 , 390484308 , 617488336 , 8328293906 , 2298649341
n×2
2487339970
n×3
3731009955
n×4
4974679940
n×5
6218349925
n÷2
621834992.5
n÷3
414556661.66667
n÷3
310917496.25
n÷5
248733997
n2
1546715031589900225
n3
1.9236030601367E+27
n4
2.3923273889461E+36
n5
2.9752657679257E+45
2 √n
35265.705508326
3 √n
1075.3959197869
4 √n
187.79165452258
5 √n
65.908439735996
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1243669984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1243669985 can be divided by 8 positive divisors.
The sum of these divisors (counting 1243669985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010001000001110010111100001
3
Ternary
10012200011222111022
4
Quaternary
1022020032113201
5
Quinary
10021334414420
6
Senary
323224055225
8
Octal
11210162741
10
Decimal
1243669985
12
Duodecimal
2a8604515
16
Hexadecimal
4a20e5e1
20
Vigesimal
j8ciej5
36
Base36
kkg5wh
md5
20023992f170ef020900933b39882866
sha1
de91933df034659011a7c14b05a747cd45ef5781
sha256
62d96c95acc9495e7295f256f90e81d3d04b69b2b24a6893b2b818cd78f1c904
sha512
b0e829b65174353171cacf738d6b0197618ee8cbd6a7fcfd158f6fca7457786e0c52a628b6b4bd604f634ca9ef2c90bba771d80046f907eca78fde7bd9d52c27
ripemd-160
d1fec609cfecf27a2d464ec671e53aa7495a78f2
Diameter
2487339970
Circumference
7814208976.7323
Area
4.8591485804397E+18
Volume
8.0575696561977E+27
Surface area
1.9436594321759E+19
Circumference
7814208976.7323
Perimeter
4974679940
Area
1546715031589900225
Diagonal
1758814959.9033
Surface area
9.2802901895394E+18
Volume
1.9236030601367E+27
Space diagonal
2154099601.8684
Perimeter
3731009955
Area
6.6974725488605E+17
Altitude
1077049800.9342
Surface area
6.6974725488605E+17
Volume
2.2669879468897E+26
Height
586271653.30111