1688404639 is an odd 10-digits composite number following 1688404638
and preceding 1688404640 . In scientific notation, it is written as 1.688404639 × 10^9.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 1688076640 positive integers (up to 1688404639) that are relatively prime to 1688404639.
1688404639 has 4 divisors, whose sum is 1688732640
The reverse of 1688404639 is 9364048861
Previous prime number is 5231
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 four thousand six hundred thirty-nine
Scientific notation
1.688404639 × 10^9
Engineering notation
1.688404639 × 10^9
Prime Factorization
5231 × 322769
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1688404639 Product of the distinct prime numbers
The prime factorization of 1688404639 is 5231 × 322769.
Since it has a total of 2 prime factors.
1 , 7 , 7 , 85 , 902 , 797 , 7755 , 4786 , 14068 , 33041 , 519298 , 196219 , 4493878 , 4950705 , 87170863 , 85903072 , 338923317 , 58316617 , 8987431430 , 2330139367
n×2
3376809278
n×3
5065213917
n×4
6753618556
n×5
8442023195
n÷2
844202319.5
n÷3
562801546.33333
n÷3
422101159.75
n÷5
337680927.8
n2
2850710224996720321
n3
4.8131523683292E+27
n4
8.1265487869009E+36
n5
1.3720902670863E+46
2 √n41090.201252853
3 √n1190.763495401
4 √n202.70718105892
5 √n70.064061223986
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1688404638 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1688404639 can be divided by 4 positive divisors.
The sum of these divisors (counting 1688404639) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100101000110000001010011111
3
Ternary
11100200000211202011
4
Quaternary
1210220300022133
5
Quinary
11424212422024
6
Senary
435312212051
8
Octal
14450601237
10
Decimal
1688404639
12
Duodecimal
3b153a027
16
Hexadecimal
64a3029f
20
Vigesimal
167cabbj
36
Base36
rx8dcv
md5
f9ac5c3040691eab34b14aec0811b22e
sha1
143c3b46039c8e48cde1b421ef8b3885e0319db1
sha256
0e22007b9d38a756c153a9f0c938655861d67189ee9985efe2b7c57f9ec1e69e
sha512
29f6ff0bd418f1e0627c77d84c24c92d51b52f12815c573871589df72ec62dd622e28916aa05071bfb9b87f9433a89ef79e2f11e2ac6236029d171d48c879972
ripemd-160
27c3d560d1640c868601b01b237ea58af49a58ab
Diameter
3376809278
Circumference
10608559220.339
Area
8.955770300363E+18
Volume
2.0161285494602E+28
Surface area
3.5823081201452E+19
Circumference
10608559220.339
Perimeter
6753618556
Area
2850710224996720321
Diagonal
2387764739.2474
Surface area
1.710426134998E+19
Volume
4.8131523683292E+27
Space diagonal
2924402618.483
Perimeter
5065213917
Area
1.2343937368376E+18
Altitude
1462201309.2415
Surface area
1.2343937368376E+18
Volume
5.6723544642161E+26
Height
795921579.74915