1688891066 is an even 10-digits composite number following 1688891065
and preceding 1688891067 . In scientific notation, it is written as 1.688891066 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 843222780 positive integers (up to 1688891066) that are relatively prime to 1688891066.
1688891066 has 8 divisors, whose sum is 2537004864
The reverse of 1688891066 is 6601988861
Previous prime number is 691
Is Prime? no
Number parity even
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion six hundred eighty-eight million eight hundred ninety-one thousand sixty-six
Scientific notation
1.688891066 × 10^9
Engineering notation
1.688891066 × 10^9
Prime Factorization
2 × 691 × 1222063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1688891066
Product of the distinct prime numbers
The prime factorization of 1688891066 is 2 × 691 × 1222063.
Since it has a total of 3 prime factors.
5 , 5 , 38 , 61 , 708 , 629 , 8574 , 1866 , 79494 , 75747 , 382927 , 983055 , 6901281 , 398536 , 72488730 , 43651079 , 275792067 , 8862988 , 6592238106 , 7746781399
n×2
3377782132
n×3
5066673198
n×4
6755564264
n×5
8444455330
n÷2
844445533
n÷3
562963688.66667
n÷3
422222766.5
n÷5
337778213.2
n2
2852353032814616356
n3
4.8173135541986E+27
n4
8.1359178238067E+36
n5
1.3740678926337E+46
2 √n
41096.119841172
3 √n
1190.8778368501
4 √n
202.72177939524
5 √n
70.068097830321
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
-1688891065
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 1688891066 can be divided by 8 positive divisors.
The sum of these divisors (counting 1688891066) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101010100110111010111010
3
Ternary
11100200221112222222
4
Quaternary
1210222212322322
5
Quinary
11424324003231
6
Senary
435330444042
8
Octal
14452467272
10
Decimal
1688891066
12
Duodecimal
3b1733622
16
Hexadecimal
64aa6eba
20
Vigesimal
167fb7d6
36
Base36
rxisoq
md5
553a96c4b0f53fcee0b024cc844803e4
sha1
d9724f71d41dbf3176b5aded483995a6eeb11e91
sha256
b1b3ca060888c7160dee32ca74c06209b705d5456ca3a456e27f87f5f45228da
sha512
c21c4acf2b12cee937f48f628ed25f5dfa3be7118866c0ab5becc637a9824ecc066c17e2424e40fad9b1613a0fe56756204bb3f7afb521453d80ee249fc1f8b2
ripemd-160
cf60c0daf86b908c79848a9c08984a4b85281dc4
Diameter
3377782132
Circumference
10611615531.318
Area
8.960931333335E+18
Volume
2.0178715829212E+28
Surface area
3.584372533334E+19
Circumference
10611615531.318
Perimeter
6755564264
Area
2852353032814616356
Diagonal
2388452650.908
Surface area
1.7114118196888E+19
Volume
4.8173135541986E+27
Space diagonal
2925245134.7612
Perimeter
5066673198
Area
1.2351050934895E+18
Altitude
1462622567.3806
Surface area
1.2351050934895E+18
Volume
5.6772584687928E+26
Height
796150883.63598