1686985137 is an odd 10-digits composite number following 1686985136
and preceding 1686985138 . In scientific notation, it is written as 1.686985137 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 1117200600 positive integers (up to 1686985137) that are relatively prime to 1686985137.
1686985137 has 12 divisors, whose sum is 1907820096
The reverse of 1686985137 is 7315896861
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion six hundred eighty-six million nine hundred eighty-five thousand one hundred thirty-seven
Scientific notation
1.686985137 × 10^9
Engineering notation
1.686985137 × 10^9
Prime Factorization
9 × 9 × 151 × 137927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
187442793
Product of the distinct prime numbers
The prime factorization of 1686985137 is 9 × 9 × 151 × 137927.
Since it has a total of 4 prime factors.
5 , 1 , 52 , 13 , 499 , 406 , 7053 , 5930 , 49058 , 42000 , 722596 , 506750 , 9127985 , 1289159 , 50579252 , 22756048 , 196239721 , 87365817 , 2653063355 , 5376050346
n×2
3373970274
n×3
5060955411
n×4
6747940548
n×5
8434925685
n÷2
843492568.5
n÷3
562328379
n÷3
421746284.25
n÷5
337397027.4
n2
2845918852458908769
n3
4.8010228052063E+27
n4
8.099254114781E+36
n5
1.3663321312422E+46
2 √n
41072.924621945
3 √n
1190.4296960574
4 √n
202.66456183049
5 √n
70.052276189033
1 , 9 , 81 , 151 , 1359 , 12231 , 137927 , 1241343 , 11172087 , 20826977 , 187442793 , 1686985137
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1686985136
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1686985137 can be divided by 12 positive divisors.
The sum of these divisors (counting 1686985137) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100100100011010101100110110001
3
Ternary
11100120100201120000
4
Quaternary
1210203111212301
5
Quinary
11423332011022
6
Senary
435221540213
8
Octal
14443254661
10
Decimal
1686985137
12
Duodecimal
3b0b74669
16
Hexadecimal
648d59b1
20
Vigesimal
1673d2gh
36
Base36
rwdy29
md5
8b52c0ccd364d0b50a2cc31233b90968
sha1
a74b391aebcb886f2d12443c19d7cf196d000d77
sha256
0e5ffa4cf45fe7a8589768c0e85546872d0d84ee1770aad4889f849410065321
sha512
18704d138734f671d19f2961c52e0ba8803fa568697ead4186ad10581392ec93dd1c191d0f6be5ecd99c2f46137156d6f10478ab7c0bff3b2e72716e1e5c0e58
ripemd-160
c57ecd89bbbff22187767642fff0da552a862a2c
Diameter
3373970274
Circumference
10599640226.229
Area
8.9407177595976E+18
Volume
2.0110477299404E+28
Surface area
3.576287103839E+19
Circumference
10599640226.229
Perimeter
6747940548
Area
2845918852458908769
Diagonal
2385757260.2672
Surface area
1.7075513114753E+19
Volume
4.8010228052063E+27
Space diagonal
2921943968.8975
Perimeter
5060955411
Area
1.2323190116692E+18
Altitude
1460971984.4488
Surface area
1.2323190116692E+18
Volume
5.6580596369877E+26
Height
795252420.08908