1318888921 is an odd 10-digits composite number following 1318888920
and preceding 1318888922 . In scientific notation, it is written as 1.318888921 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1118821248 positive integers (up to 1318888921) that are relatively prime to 1318888921.
1318888921 has 8 divisors, whose sum is 1522841600
The reverse of 1318888921 is 1298888131
Previous prime number is 97
Is Prime? no Number parity odd Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion three hundred eighteen million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
1.318888921 × 10^9
Engineering notation
1.318888921 × 10^9
Prime Factorization
7 × 97 × 1942399
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1318888921 Product of the distinct prime numbers
The prime factorization of 1318888921 is 7 × 97 × 1942399.
Since it has a total of 3 prime factors.
5 , 3 , 73 , 13 , 46 , 858 , 6467 , 4305 , 80963 , 16118 , 359840 , 820846 , 8219357 , 9232918 , 75271106 , 9734556 , 2109296 , 620853308 , 5903269355 , 7977857948
n×2
2637777842
n×3
3956666763
n×4
5275555684
n×5
6594444605
n÷2
659444460.5
n÷3
439629640.33333
n÷3
329722230.25
n÷5
263777784.2
n2
1739467985936544241
n3
2.2941650550859E+27
n4
3.0257488740981E+36
n5
3.9906266677763E+45
2 √n36316.510308674
3 √n1096.6534436167
4 √n190.56891223039
5 √n66.687071164329
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
-1318888920 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 1318888921 can be divided by 8 positive divisors.
The sum of these divisors (counting 1318888921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110100111001010010111011001
3
Ternary
10101220201111110211
4
Quaternary
1032213022113121
5
Quinary
10200113421141
6
Senary
334512211121
8
Octal
11647122731
10
Decimal
1318888921
12
Duodecimal
309839aa1
16
Hexadecimal
4e9ca5d9
20
Vigesimal
10c31261
36
Base36
lt8d7d
md5
b7a964c04b569638c306a3db2f90540e
sha1
95b976e60d2a92c28dad013be22e010682953932
sha256
d04cd9c7ad4d018c5c771ea16ed41f5bd815333b289cf3b13e02655c3726aea2
sha512
784a533eeb5e98b861fe49f124591088eb76e79a314ac19d834a027b307915c2fff0af6f39212e51c08995b3bb722d1dee7df556b8529d54934ffe9c27b898fc
ripemd-160
f54028002417df70b42ab5d107c92be94cdec428
Diameter
2637777842
Circumference
8286823490.2291
Area
5.4646998457729E+18
Volume
9.609776110907E+27
Surface area
2.1858799383092E+19
Circumference
8286823490.2291
Perimeter
5275555684
Area
1739467985936544241
Diagonal
1865190599.3418
Surface area
1.0436807915619E+19
Volume
2.2941650550859E+27
Space diagonal
2284382620.7117
Perimeter
3956666763
Area
7.532117324454E+17
Altitude
1142191310.3558
Surface area
7.532117324454E+17
Volume
2.7036994460207E+26
Height
621730199.78061