1686985138 is an even 10-digits composite number following 1686985137
and preceding 1686985139 . In scientific notation, it is written as 1.686985138 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 843433140 positive integers (up to 1686985138) that are relatively prime to 1686985138.
1686985138 has 8 divisors, whose sum is 2530656000
The reverse of 1686985138 is 8315896861
Previous prime number is 35999
Is Prime? no Number parity even Number length 10 Sum of Digits 55 Digital Root 1
Name
one billion six hundred eighty-six million nine hundred eighty-five thousand one hundred thirty-eight
Scientific notation
1.686985138 × 10^9
Engineering notation
1.686985138 × 10^9
Prime Factorization
2 × 35999 × 23431
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1686985138 Product of the distinct prime numbers
The prime factorization of 1686985138 is 2 × 35999 × 23431.
Since it has a total of 3 prime factors.
7 , 1 , 39 , 84 , 466 , 341 , 8107 , 1012 , 53570 , 65207 , 74642 , 79820 , 478509 , 3882309 , 93936114 , 45197346 , 195727430 , 495866825 , 4793732735 , 972248890
n×2
3373970276
n×3
5060955414
n×4
6747940552
n×5
8434925690
n÷2
843492569
n÷3
562328379.33333
n÷3
421746284.5
n÷5
337397027.6
n2
2845918855832879044
n3
4.801022813744E+27
n4
8.0992541339851E+36
n5
1.3663321352918E+46
2 √n41072.924634119
3 √n1190.4296962926
4 √n202.66456186053
5 √n70.052276197338
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
-1686985137 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 1686985138 can be divided by 8 positive divisors.
The sum of these divisors (counting 1686985138) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100100011010101100110110010
3
Ternary
11100120100201120001
4
Quaternary
1210203111212302
5
Quinary
11423332011023
6
Senary
435221540214
8
Octal
14443254662
10
Decimal
1686985138
12
Duodecimal
3b0b7466a
16
Hexadecimal
648d59b2
20
Vigesimal
1673d2gi
36
Base36
rwdy2a
md5
66efcb9e591517b9f1f50df7e8121765
sha1
083d5583b3815b0b3d584fe9e08e2c491f9e6648
sha256
d51a5ac42f3cbcb28eb71de6a1473e4a87282fe5ab331f3e7f63693e5b823e9a
sha512
dc8f7da41d3bec513c1ea47e0be7f22d5a01062a10b99bcf52e14478f1a1a063fabfeebbf2a46280d37d8c230d9f07744d4c591007041d59a27374f749a417ea
ripemd-160
7f1e4a9f0ba7eb0061a406ad3f5289d16e384a2a
Diameter
3373970276
Circumference
10599640232.512
Area
8.9407177701972E+18
Volume
2.0110477335167E+28
Surface area
3.5762871080789E+19
Circumference
10599640232.512
Perimeter
6747940552
Area
2845918855832879044
Diagonal
2385757261.6814
Surface area
1.7075513134997E+19
Volume
4.801022813744E+27
Space diagonal
2921943970.6296
Perimeter
5060955414
Area
1.2323190131302E+18
Altitude
1460971985.3148
Surface area
1.2323190131302E+18
Volume
5.6580596470495E+26
Height
795252420.56048