1688397812 is an even 10-digits composite number following 1688397811
and preceding 1688397813 . In scientific notation, it is written as 1.688397812 × 10^9.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 844108920 positive integers (up to 1688397812) that are relatively prime to 1688397812.
1688397812 has 12 divisors, whose sum is 2955011136
The reverse of 1688397812 is 2187938861
Previous prime number is 13331
Is Prime? no Number parity even Number length 10 Sum of Digits 53 Digital Root 8
Name
one billion six hundred eighty-eight million three hundred ninety-seven thousand eight hundred twelve
Scientific notation
1.688397812 × 10^9
Engineering notation
1.688397812 × 10^9
Prime Factorization
2 × 2 × 13331 × 31663
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
844198906 Product of the distinct prime numbers
The prime factorization of 1688397812 is 2 × 2 × 13331 × 31663.
Since it has a total of 4 prime factors.
5 , 10 , 48 , 45 , 801 , 419 , 5540 , 1769 , 72585 , 69686 , 95474 , 629936 , 7714521 , 4597551 , 68633319 , 27197970 , 404863868 , 684762171 , 7755313053 , 990752005
n×2
3376795624
n×3
5065193436
n×4
6753591248
n×5
8441989060
n÷2
844198906
n÷3
562799270.66667
n÷3
422099453
n÷5
337679562.4
n2
2850687171566387344
n3
4.8130939831692E+27
n4
8.1264173501332E+36
n5
1.3720625273364E+46
2 √n41090.118179436
3 √n1190.7618904631
4 √n202.70697614891
5 √n70.06400456362
1 , 2 , 4 , 13331 , 26662 , 31663 , 53324 , 63326 , 126652 , 422099453 , 844198906 , 1688397812
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
-1688397811 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 1688397812 can be divided by 12 positive divisors.
The sum of these divisors (counting 1688397812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100100101000101110011111110100
3
Ternary
11100200000111101022
4
Quaternary
1210220232133310
5
Quinary
11424212212222
6
Senary
435312120312
8
Octal
14450563764
10
Decimal
1688397812
12
Duodecimal
3b1536098
16
Hexadecimal
64a2e7f4
20
Vigesimal
167c9eac
36
Base36
rx8838
md5
230fd687e9e6c3285fcabcc9b99b9843
sha1
8073b0d02c0a55adc18b31f19d8b16332ba1f713
sha256
3f5d7c772b2d033c7b5868ae3473adc97254810c39a9d595d79c7c19d9d8b513
sha512
97d4abab97506b50166c0f9c50d9b00b193318d4bbd0b38c6a0e3639d63c11c67a27aa3fa51982b630c2f433faac8bb771b2419fb68adad0e0d4caa76a413550
ripemd-160
399014d1f482093b084bdc80150be739adf1bbb2
Diameter
3376795624
Circumference
10608516325.033
Area
8.9556978758756E+18
Volume
2.0161040931415E+28
Surface area
3.5822791503503E+19
Circumference
10608516325.033
Perimeter
6753591248
Area
2850687171566387344
Diagonal
2387755084.4115
Surface area
1.7104123029398E+19
Volume
4.8130939831692E+27
Space diagonal
2924390793.7721
Perimeter
5065193436
Area
1.2343837544094E+18
Altitude
1462195396.8861
Surface area
1.2343837544094E+18
Volume
5.6722856566451E+26
Height
795918361.47049