1686985139 is an odd 10-digits composite number following 1686985138
and preceding 1686985140 . In scientific notation, it is written as 1.686985139 × 10^9.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 1407896640 positive integers (up to 1686985139) that are relatively prime to 1686985139.
1686985139 has 16 divisors, whose sum is 1978959360
The reverse of 1686985139 is 9315896861
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion six hundred eighty-six million nine hundred eighty-five thousand one hundred thirty-nine
Scientific notation
1.686985139 × 10^9
Engineering notation
1.686985139 × 10^9
Prime Factorization
7 × 41 × 523 × 11239
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1686985139
Product of the distinct prime numbers
The prime factorization of 1686985139 is 7 × 41 × 523 × 11239.
Since it has a total of 4 prime factors.
10 , 10 , 69 , 58 , 236 , 36 , 5485 , 7761 , 87057 , 69745 , 13797 , 335561 , 6879341 , 9157968 , 67858618 , 84402005 , 575977615 , 803986899 , 4102876966 , 239049242
n×2
3373970278
n×3
5060955417
n×4
6747940556
n×5
8434925695
n÷2
843492569.5
n÷3
562328379.66667
n÷3
421746284.75
n÷5
337397027.8
n2
2845918859206849321
n3
4.8010228222818E+27
n4
8.0992541531892E+36
n5
1.3663321393414E+46
2 √n
41072.924646292
3 √n
1190.4296965278
4 √n
202.66456189056
5 √n
70.052276205643
1 , 7 , 41 , 287 , 523 , 3661 , 11239 , 21443 , 78673 , 150101 , 460799 , 3225593 , 5877997 , 41145979 , 240997877 , 1686985139
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1686985138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1686985139 can be divided by 16 positive divisors.
The sum of these divisors (counting 1686985139) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100100011010101100110110011
3
Ternary
11100120100201120002
4
Quaternary
1210203111212303
5
Quinary
11423332011024
6
Senary
435221540215
8
Octal
14443254663
10
Decimal
1686985139
12
Duodecimal
3b0b7466b
16
Hexadecimal
648d59b3
20
Vigesimal
1673d2gj
36
Base36
rwdy2b
md5
24008f5d1a81d384fd0461196bdccc15
sha1
cb251d09357db6ec7f24da83800e1c18d37f20f7
sha256
b53e2ce98b43db81c6924f5266a802cef089eec9a0eb91a581764bbcfb59ccd4
sha512
8a3285569e81d8756a500d4f3c11ee0ddfca95ac65d081fd932edbdfdad5c2f0c93a0964ee9434d140b812a4ca71ea2f6c8a2106a831bb5752d9bfe69c3b65b9
ripemd-160
59a802c2a5a23543df29870f6c97c97d46a0aae1
Diameter
3373970278
Circumference
10599640238.795
Area
8.9407177807969E+18
Volume
2.011047737093E+28
Surface area
3.5762871123188E+19
Circumference
10599640238.795
Perimeter
6747940556
Area
2845918859206849321
Diagonal
2385757263.0957
Surface area
1.7075513155241E+19
Volume
4.8010228222818E+27
Space diagonal
2921943972.3616
Perimeter
5060955417
Area
1.2323190145912E+18
Altitude
1460971986.1808
Surface area
1.2323190145912E+18
Volume
5.6580596571114E+26
Height
795252421.03189