1688890189 is an odd 10-digits composite number following 1688890188
and preceding 1688890190 . In scientific notation, it is written as 1.688890189 × 10^9.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 1444644720 positive integers (up to 1688890189) that are relatively prime to 1688890189.
1688890189 has 8 divisors, whose sum is 1934127488
The reverse of 1688890189 is 9810988861
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion six hundred eighty-eight million eight hundred ninety thousand one hundred eighty-nine
Scientific notation
1.688890189 × 10^9
Engineering notation
1.688890189 × 10^9
Prime Factorization
7 × 487 × 495421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1688890189
Product of the distinct prime numbers
The prime factorization of 1688890189 is 7 × 487 × 495421.
Since it has a total of 3 prime factors.
5 , 3 , 94 , 82 , 426 , 764 , 7618 , 9133 , 57829 , 76252 , 668859 , 149542 , 5874428 , 1540683 , 33703340 , 66216631 , 254878835 , 802221865 , 2770744966 , 5853192217
n×2
3377780378
n×3
5066670567
n×4
6755560756
n×5
8444450945
n÷2
844445094.5
n÷3
562963396.33333
n÷3
422222547.25
n÷5
337778037.8
n2
2852350070500455721
n3
4.8173060496617E+27
n4
8.135900924684E+36
n5
1.3740643250375E+46
2 √n
41096.109171064
3 √n
1190.8776307188
4 √n
202.72175307811
5 √n
70.068090553388
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
-1688890188
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 1688890189 can be divided by 8 positive divisors.
The sum of these divisors (counting 1688890189) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101010100110101101001101
3
Ternary
11100200221111210111
4
Quaternary
1210222212231031
5
Quinary
11424323441224
6
Senary
435330440021
8
Octal
14452465515
10
Decimal
1688890189
12
Duodecimal
3b1733011
16
Hexadecimal
64aa6b4d
20
Vigesimal
167fb599
36
Base36
rxis0d
md5
c300b15e45d9171840d89d77a9a66c06
sha1
5d67dd2e65b4218d7929b2656f25666b28640e87
sha256
27dfce17f470b52a4db825628764ec5b6aea0439829db97e39a3dc817e21df2a
sha512
de16ebc9d73db48eb053ec901e687816c652fe03ad5774632435e3c7457f542cb904bcc5664e7dbcaef0c88e4493a39d93b6ddf491ef8cb436d3e4a3848125d1
ripemd-160
4b256365822826106d487232b8bd010259566753
Diameter
3377780378
Circumference
10611610020.965
Area
8.9609220269506E+18
Volume
2.0178684394281E+28
Surface area
3.5843688107802E+19
Circumference
10611610020.965
Perimeter
6755560756
Area
2852350070500455721
Diagonal
2388451410.6427
Surface area
1.7114100423003E+19
Volume
4.8173060496617E+27
Space diagonal
2925243615.7526
Perimeter
5066670567
Area
1.2351038107699E+18
Altitude
1462621807.8763
Surface area
1.2351038107699E+18
Volume
5.6772496246113E+26
Height
796150470.21422