1306687385 is an odd 10-digits composite number following 1306687384
and preceding 1306687386 . In scientific notation, it is written as 1.306687385 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 999899824 positive integers (up to 1306687385) that are relatively prime to 1306687385.
1306687385 has 8 divisors, whose sum is 1636200000
The reverse of 1306687385 is 5837866031
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion three hundred six million six hundred eighty-seven thousand three hundred eighty-five
Scientific notation
1.306687385 × 10^9
Engineering notation
1.306687385 × 10^9
Prime Factorization
5 × 23 × 11362499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1306687385
Product of the distinct prime numbers
The prime factorization of 1306687385 is 5 × 23 × 11362499.
Since it has a total of 3 prime factors.
10 , 10 , 82 , 48 , 362 , 391 , 9052 , 8383 , 32341 , 31789 , 663944 , 874935 , 6747370 , 4317596 , 48247280 , 67042668 , 518235410 , 694961375 , 5614691128 , 752862566
n×2
2613374770
n×3
3920062155
n×4
5226749540
n×5
6533436925
n÷2
653343692.5
n÷3
435562461.66667
n÷3
326671846.25
n÷5
261337477
n2
1707431922118138225
n3
2.2310797533781E+27
n4
2.915323768668E+36
n5
3.8094167917092E+45
2 √n
36148.131141181
3 √n
1093.2611100067
4 √n
190.12661870759
5 √n
66.563222583839
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
-1306687384
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 1306687385 can be divided by 8 positive divisors.
The sum of these divisors (counting 1306687385) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101111000100111011110011001
3
Ternary
10101001202121010002
4
Quaternary
1031320213132121
5
Quinary
10134002444020
6
Senary
333354502345
8
Octal
11570473631
10
Decimal
1306687385
12
Duodecimal
3057349b5
16
Hexadecimal
4de27799
20
Vigesimal
1086fi95
36
Base36
llyuft
md5
b16aa168dc8a925b7743c9cb4f5fec6b
sha1
89cd85aa88f16e1997255262f9b84a0268284feb
sha256
b15bab5b6d89ead67682e3d830892802a68a485dc74871cf15df6a5cd36271ee
sha512
d87b9bcaa119c1317f36679aedc8832d8ad4dacf20f8103930f11bdcfcb1cf1c0494cb59da484f650cc1729deb983dae7da24f24df208cc2acb0c769a2816482
ripemd-160
919a14ad8e6211b130df37cb25686ca0d0076ea8
Diameter
2613374770
Circumference
8210158978.5089
Area
5.364055583031E+18
Volume
9.3455250170473E+27
Surface area
2.1456222332124E+19
Circumference
8210158978.5089
Perimeter
5226749540
Area
1707431922118138225
Diagonal
1847935021.6488
Surface area
1.0244591532709E+19
Volume
2.2310797533781E+27
Space diagonal
2263248940.4293
Perimeter
3920062155
Area
7.393397098934E+17
Altitude
1131624470.2147
Surface area
7.393397098934E+17
Volume
2.6293527049694E+26
Height
615978340.54961