2688355891 is an odd 10-digits composite number following 2688355890
and preceding 2688355892 . In scientific notation, it is written as 2.688355891 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 2481157440 positive integers (up to 2688355891) that are relatively prime to 2688355891.
2688355891 has 8 divisors, whose sum is 2895621344
The reverse of 2688355891 is 1985538862
Previous prime number is 25321
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
two billion six hundred eighty-eight million three hundred fifty-five thousand eight hundred ninety-one
Scientific notation
2.688355891 × 10^9
Engineering notation
2.688355891 × 10^9
Prime Factorization
13 × 25321 × 8167
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2688355891
Product of the distinct prime numbers
The prime factorization of 2688355891 is 13 × 25321 × 8167.
Since it has a total of 3 prime factors.
4 , 9 , 34 , 39 , 667 , 167 , 4068 , 5725 , 32198 , 10375 , 238753 , 410512 , 1146431 , 1234945 , 67502678 , 77679629 , 873460960 , 516954107 , 4083500633 , 9035848465
n×2
5376711782
n×3
8065067673
n×4
10753423564
n×5
13441779455
n÷2
1344177945.5
n÷3
896118630.33333
n÷3
672088972.75
n÷5
537671178.2
n2
7227257396674403881
n3
1.9429439998123E+28
n4
5.2233249477785E+37
n5
1.4042156393968E+47
2 √n
51849.35767201
3 √n
1390.4720186692
4 √n
227.70454029731
5 √n
76.894867376376
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
-2688355890
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 2688355891 can be divided by 8 positive divisors.
The sum of these divisors (counting 2688355891) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000001111010000111000110011
3
Ternary
20221100121121222201
4
Quaternary
2200033100320303
5
Quinary
21001204342031
6
Senary
1122432444031
8
Octal
24017207063
10
Decimal
2688355891
12
Duodecimal
6303a9617
16
Hexadecimal
a03d0e33
20
Vigesimal
220249eb
36
Base36
18gksoj
md5
907cf2ce01c70d5243c9775b53121f7c
sha1
2aaa408c0bc78f0d40a92c9e0ddcda6d83e8a6e3
sha256
06dd5fb55f6a5118ae5f9dadfc57306537d7f76e3b1db7567bb744f7adc84d8b
sha512
70d7854fc6b8c3090d3ba58429f58c9977dfff45610f95cf88f090dfd5e0b9c38d8e053ff24ed10c70ce5efe245bc0c96606a30b0ce2979646bf20bfb4cf671b
ripemd-160
e1340a58a1dc04f502be99c6114a290a343be700
Diameter
5376711782
Circumference
16891438234.801
Area
2.2705098742995E+19
Volume
8.1385847948622E+28
Surface area
9.0820394971979E+19
Circumference
16891438234.801
Perimeter
10753423564
Area
7227257396674403881
Diagonal
3801909361.5378
Surface area
4.3363544380046E+19
Volume
1.9429439998123E+28
Space diagonal
4656368992.0391
Perimeter
8065067673
Area
3.1294942526045E+18
Altitude
2328184496.0195
Surface area
3.1294942526045E+18
Volume
2.2897814628883E+27
Height
1267303120.5126