1688890191 is an odd 10-digits composite number following 1688890190
and preceding 1688890192 . In scientific notation, it is written as 1.688890191 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 1125148992 positive integers (up to 1688890191) that are relatively prime to 1688890191.
1688890191 has 8 divisors, whose sum is 2253409200
The reverse of 1688890191 is 1910988861
Previous prime number is 1453
Is Prime? no Number parity odd Number length 10 Sum of Digits 51 Digital Root 6
Name
one billion six hundred eighty-eight million eight hundred ninety thousand one hundred ninety-one
Scientific notation
1.688890191 × 10^9
Engineering notation
1.688890191 × 10^9
Prime Factorization
3 × 1453 × 387449
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1688890191 Product of the distinct prime numbers
The prime factorization of 1688890191 is 3 × 1453 × 387449.
Since it has a total of 3 prime factors.
3 , 4 , 17 , 25 , 413 , 503 , 9663 , 6171 , 71810 , 23594 , 184013 , 787365 , 194130 , 3152546 , 64466009 , 8247740 , 69366931 , 913617176 , 4187569107 , 7126818787
n×2
3377780382
n×3
5066670573
n×4
6755560764
n×5
8444450955
n÷2
844445095.5
n÷3
562963397
n÷3
422222547.75
n÷5
337778038.2
n2
2852350077256016481
n3
4.8173060667758E+27
n4
8.1359009632224E+36
n5
1.3740643331734E+46
2 √n41096.109195397
3 √n1190.8776311889
4 √n202.72175313813
5 √n70.068090569983
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
-1688890190 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 1688890191 can be divided by 8 positive divisors.
The sum of these divisors (counting 1688890191) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101010100110101101001111
3
Ternary
11100200221111210120
4
Quaternary
1210222212231033
5
Quinary
11424323441231
6
Senary
435330440023
8
Octal
14452465517
10
Decimal
1688890191
12
Duodecimal
3b1733013
16
Hexadecimal
64aa6b4f
20
Vigesimal
167fb59b
36
Base36
rxis0f
md5
113d6da6e7d71692ff67f91ea215552b
sha1
9f2f7963aca58db1c609c710a428cbe1be6e77bc
sha256
551ec93e84024278110aa940a9a492e13736dadce35dee5271e8deccb127ef91
sha512
33fb31ddd9e9e7bbf4bdb2b8e92f95f09edd7358b92b75c56b0d91ea53f84faa2de8460b3ce9c16e2f16b20e9d3d538e36870b0a1ec8dd2637cca805166d5301
ripemd-160
d89d8a180605b3bfbc3ae706c4be2d7d95285db3
Diameter
3377780382
Circumference
10611610033.531
Area
8.9609220481738E+18
Volume
2.0178684465968E+28
Surface area
3.5843688192695E+19
Circumference
10611610033.531
Perimeter
6755560764
Area
2852350077256016481
Diagonal
2388451413.4711
Surface area
1.7114100463536E+19
Volume
4.8173060667758E+27
Space diagonal
2925243619.2167
Perimeter
5066670573
Area
1.2351038136951E+18
Altitude
1462621809.6084
Surface area
1.2351038136951E+18
Volume
5.6772496447804E+26
Height
796150471.15703