1688458081 is an odd 10-digits composite number following 1688458080
and preceding 1688458082 . In scientific notation, it is written as 1.688458081 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1641366720 positive integers (up to 1688458081) that are relatively prime to 1688458081.
1688458081 has 8 divisors, whose sum is 1735922144
The reverse of 1688458081 is 1808548861
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion six hundred eighty-eight million four hundred fifty-eight thousand eighty-one
Scientific notation
1.688458081 × 10^9
Engineering notation
1.688458081 × 10^9
Prime Factorization
43 × 211 × 186097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1688458081
Product of the distinct prime numbers
The prime factorization of 1688458081 is 43 × 211 × 186097.
Since it has a total of 3 prime factors.
9 , 10 , 86 , 19 , 534 , 526 , 3115 , 8463 , 83285 , 15628 , 704880 , 199487 , 9495224 , 9545162 , 48917503 , 82896737 , 749471975 , 793272194 , 9414238723 , 9074143962
n×2
3376916162
n×3
5065374243
n×4
6753832324
n×5
8442290405
n÷2
844229040.5
n÷3
562819360.33333
n÷3
422114520.25
n÷5
337691616.2
n2
2850890691294202561
n3
4.8136094257634E+27
n4
8.1275777337079E+36
n5
1.3723074303435E+46
2 √n
41090.851548733
3 √n
1190.776058762
4 √n
202.7087850803
5 √n
70.064504757019
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
-1688458080
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 1688458081 can be divided by 8 positive divisors.
The sum of these divisors (counting 1688458081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101000111101001101100001
3
Ternary
11100200010120001111
4
Quaternary
1210220331031201
5
Quinary
11424221124311
6
Senary
435313303321
8
Octal
14450751541
10
Decimal
1688458081
12
Duodecimal
3b1564b41
16
Hexadecimal
64a3d361
20
Vigesimal
167ch541
36
Base36
rx9ild
md5
fd7a79466d16e21745775834d065217b
sha1
dbe3526339d93e2e114f0554d5ebb668ab622714
sha256
18cefb82fd4e419f8643d689844088cfc1bb7ed9ec0785937f3cd794ab00e877
sha512
9443489b5c165512e6bd3016e3c3e04f388b82008b6c5f7715f73337ba1e401e7d4504d6fdf51d86deefd8af5fc8336ab41e0dde297a95577882029b28c76b22
ripemd-160
7c1979adb477551ecc7cd6a1c40385705193e172
Diameter
3376916162
Circumference
10608895006.328
Area
8.9563372519574E+18
Volume
2.0163200012305E+28
Surface area
3.582534900783E+19
Circumference
10608895006.328
Perimeter
6753832324
Area
2850890691294202561
Diagonal
2387840317.6487
Surface area
1.7105344147765E+19
Volume
4.8136094257634E+27
Space diagonal
2924495182.7422
Perimeter
5065374243
Area
1.2344718810367E+18
Altitude
1462247591.3711
Surface area
1.2344718810367E+18
Volume
5.6728931115679E+26
Height
795946772.54955