688008993 is an odd 9-digits composite number following 688008992
and preceding 688008994 . In scientific notation, it is written as 6.88008993 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 393147984 positive integers (up to 688008993) that are relatively prime to 688008993.
688008993 has 4 divisors, whose sum is 720771348
The reverse of 688008993 is 399800886
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred eighty-eight million eight thousand nine hundred ninety-three
Scientific notation
6.88008993 × 10^8
Engineering notation
6.88008993 × 10^6
Prime Factorization
21 × 32762333
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
688008993
Product of the distinct prime numbers
The prime factorization of 688008993 is 21 × 32762333.
Since it has a total of 2 prime factors.
1 , 5 , 74 , 47 , 200 , 355 , 604 , 150 , 97549 , 67180 , 940061 , 882562 , 7589646 , 1441552 , 35983828 , 64532007 , 401050156 , 702433184 , 1523677928 , 8152520969
n×2
1376017986
n×3
2064026979
n×4
2752035972
n×5
3440044965
n÷2
344004496.5
n÷3
229336331
n÷3
172002248.25
n÷5
137601798.6
n2
473356374448874049
n3
3.256734425147E+26
n4
2.2406625723138E+35
n5
1.5415960000304E+44
2 √n
26229.925524103
3 √n
882.8048389006
4 √n
161.95655443391
5 √n
58.548911177022
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-688008992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 688008993 can be divided by 4 positive divisors.
The sum of these divisors (counting 688008993) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001000000100010111100100001
3
Ternary
1202221121110220120
4
Quaternary
221000202330201
5
Quinary
2402112241433
6
Senary
152134230453
8
Octal
5100427441
10
Decimal
688008993
12
Duodecimal
1724b5429
16
Hexadecimal
29022f21
20
Vigesimal
af0129d
36
Base36
bdmf4x
md5
0705455a42b5570c1cc75afb26497e16
sha1
9c150314c2319bfdd67cce59b196ed6813b4c0f4
sha256
359af0f12c17eb737010c81bb2853c4fc9375de8887d64cace826b023bd4e83f
sha512
902856988138205492e3224592ae1fb6c6c2d28ea53daef50b01d819282d92e1e3dea84fefb7b02cecb472ae52daccd9a7c0344943a80888ace4289fc14b012e
ripemd-160
37aecf2e3a95b11a3e8c28b25561269e897df306
Diameter
1376017986
Circumference
4322887996.025
Area
1.4870929084985E+18
Volume
1.3641777259646E+27
Surface area
5.9483716339939E+18
Circumference
4322887996.025
Perimeter
2752035972
Area
473356374448874049
Diagonal
972991648.93526
Surface area
2840138246693244294
Volume
3.256734425147E+26
Space diagonal
1191666531.9403
Perimeter
2064026979
Area
2.0496932265801E+17
Altitude
595833265.97015
Surface area
2.0496932265801E+17
Volume
3.8380983275752E+25
Height
324330549.64509