1318889986 is an even 10-digits composite number following 1318889985
and preceding 1318889987 . In scientific notation, it is written as 1.318889986 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 659237040 positive integers (up to 1318889986) that are relatively prime to 1318889986.
1318889986 has 8 divisors, whose sum is 1978958844
The reverse of 1318889986 is 6899888131
Previous prime number is 3221
Is Prime? no Number parity even Number length 10 Sum of Digits 61 Digital Root 7
Name
one billion three hundred eighteen million eight hundred eighty-nine thousand nine hundred eighty-six
Scientific notation
1.318889986 × 10^9
Engineering notation
1.318889986 × 10^9
Prime Factorization
2 × 3221 × 204733
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1318889986 Product of the distinct prime numbers
The prime factorization of 1318889986 is 2 × 3221 × 204733.
Since it has a total of 3 prime factors.
2 , 5 , 4 , 11 , 906 , 830 , 4888 , 7643 , 90422 , 3362 , 439662 , 486417 , 6275107 , 3246643 , 53740774 , 47817728 , 932605269 , 899872221 , 7248770729 , 1545452664
n×2
2637779972
n×3
3956669958
n×4
5275559944
n×5
6594449930
n÷2
659444993
n÷3
439629995.33333
n÷3
329722496.5
n÷5
263777997.2
n2
1739470795171080196
n3
2.2941706126906E+27
n4
3.0257586472531E+36
n5
3.990642779915E+45
2 √n36316.524971423
3 √n1096.6537387984
4 √n190.56895070138
5 √n66.687081934259
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
-1318889985 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 1318889986 can be divided by 8 positive divisors.
The sum of these divisors (counting 1318889986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110100111001010101000000010
3
Ternary
10101220201112221021
4
Quaternary
1032213022220002
5
Quinary
10200113434421
6
Senary
334512220054
8
Octal
11647125002
10
Decimal
1318889986
12
Duodecimal
30983a62a
16
Hexadecimal
4e9caa02
20
Vigesimal
10c314j6
36
Base36
lt8e0y
md5
02f15d88122be69bc9f6de600bf4bfe7
sha1
85f0b2786a94a2b3cf42a7efe7f22a3476c1989a
sha256
23248302412c77a1ab52613c73b14751418819b35f6ea6b80f70d05b3d47eac7
sha512
af1f03436a847851620c3ede30bf2bfe57f08203217faed78c0e95133f3f428c1f8f8e982a24df598d018bcd2374cfc8b815463ead4b45dd45c29fec2ac3a43d
ripemd-160
a4c6caaf86dc876ba0d421b8e8973ae48593cda7
Diameter
2637779972
Circumference
8286830181.8215
Area
5.4647086712435E+18
Volume
9.6097993905472E+27
Surface area
2.1858834684974E+19
Circumference
8286830181.8215
Perimeter
5275559944
Area
1739470795171080196
Diagonal
1865192105.4793
Surface area
1.0436824771026E+19
Volume
2.2941706126906E+27
Space diagonal
2284384465.3458
Perimeter
3956669958
Area
7.5321294887964E+17
Altitude
1142192232.6729
Surface area
7.5321294887964E+17
Volume
2.7037059957207E+26
Height
621730701.82642