1318993891 is an odd 10-digits composite number following 1318993890
and preceding 1318993892 . In scientific notation, it is written as 1.318993891 × 10^9.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 1317062032 positive integers (up to 1318993891) that are relatively prime to 1318993891.
1318993891 has 4 divisors, whose sum is 1320925752
The reverse of 1318993891 is 1983998131
Previous prime number is 683
Is Prime? no Number parity odd Number length 10 Sum of Digits 52 Digital Root 7
Name
one billion three hundred eighteen million nine hundred ninety-three thousand eight hundred ninety-one
Scientific notation
1.318993891 × 10^9
Engineering notation
1.318993891 × 10^9
Prime Factorization
683 × 1931177
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1318993891 Product of the distinct prime numbers
The prime factorization of 1318993891 is 683 × 1931177.
Since it has a total of 2 prime factors.
4 , 8 , 83 , 29 , 72 , 9 , 4859 , 6103 , 1600 , 411 , 348989 , 415820 , 8066362 , 1316502 , 98155671 , 35762621 , 349589627 , 391885457 , 1704761889 , 719786184
n×2
2637987782
n×3
3956981673
n×4
5275975564
n×5
6594969455
n÷2
659496945.5
n÷3
439664630.33333
n÷3
329748472.75
n÷5
263798778.2
n2
1739744884495319881
n3
2.2947128745478E+27
n4
3.0267122631276E+36
n5
3.9922149848801E+45
2 √n36317.955490363
3 √n1096.6825369584
4 √n190.57270394882
5 √n66.688132651601
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1318993890 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1318993891 can be divided by 4 positive divisors.
The sum of these divisors (counting 1318993891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110100111100011111111100011
3
Ternary
10101220220211110121
4
Quaternary
1032213203333203
5
Quinary
10200130301031
6
Senary
334514341111
8
Octal
11647437743
10
Decimal
1318993891
12
Duodecimal
30988a797
16
Hexadecimal
4e9e3fe3
20
Vigesimal
10c3e4eb
36
Base36
ltam77
md5
56e98da7463c02f3506ff7cda2ec4370
sha1
829998cf2da03caf05869d179b225dd23b6b4e85
sha256
5ee982d04ac9c5fa8c5d7abc9b4217a341cd155455ceb90bf5024d5773cc3faf
sha512
6a9f8a931d175cac9279844b8ee43d360a019d6d9ca21d9abc8c60f89a94d1647b0cca1e08a52778cb7d4826eb7c027003f3c92f3609de94325b2d0fb5b0b97f
ripemd-160
c31ea0c62bddde51871af62f3962c3279d5a425e
Diameter
2637987782
Circumference
8287483036.1908
Area
5.4655697482509E+18
Volume
9.6120708117032E+27
Surface area
2.1862278993004E+19
Circumference
8287483036.1908
Perimeter
5275975564
Area
1739744884495319881
Diagonal
1865339049.3395
Surface area
1.0438469306972E+19
Volume
2.2947128745478E+27
Space diagonal
2284564434.085
Perimeter
3956981673
Area
7.5333163303849E+17
Altitude
1142282217.0425
Surface area
7.5333163303849E+17
Volume
2.7043450574481E+26
Height
621779683.11315