6688485721 is an odd 10-digits composite number following 6688485720
and preceding 6688485722 . In scientific notation, it is written as 6.688485721 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 6384850032 positive integers (up to 6688485721) that are relatively prime to 6688485721.
6688485721 has 8 divisors, whose sum is 6993288000
The reverse of 6688485721 is 1275848866
Previous prime number is 499
Is Prime? no Number parity odd Number length 10 Sum of Digits 55 Digital Root 1
Name
six billion six hundred eighty-eight million four hundred eighty-five thousand seven hundred twenty-one
Scientific notation
6.688485721 × 10^9
Engineering notation
6.688485721 × 10^9
Prime Factorization
23 × 499 × 582773
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
6688485721 Product of the distinct prime numbers
The prime factorization of 6688485721 is 23 × 499 × 582773.
Since it has a total of 3 prime factors.
4 , 1 , 80 , 91 , 24 , 323 , 5497 , 9402 , 64964 , 7008 , 936645 , 852729 , 6945075 , 1492490 , 22822860 , 3778402 , 27442925 , 68313706 , 1056868533 , 810107243
n×2
13376971442
n×3
20065457163
n×4
26753942884
n×5
33442428605
n÷2
3344242860.5
n÷3
2229495240.3333
n÷3
1672121430.25
n÷5
1337697144.2
n2
4.4735841240021E+19
n3
2.992150353508E+29
n4
2.0012954914524E+39
n5
1.3385636318081E+49
2 √n81783.162820962
3 √n1884.12307345
4 √n285.97755649869
5 √n92.27107085284
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
-6688485720 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 6688485721 can be divided by 8 positive divisors.
The sum of these divisors (counting 6688485721) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001110101010100011000101011001
3
Ternary
122021010120021112101
4
Quaternary
12032222203011121
5
Quinary
102144223020341
6
Senary
3023405243401
8
Octal
61652430531
10
Decimal
6688485721
12
Duodecimal
1367b63561
16
Hexadecimal
18eaa3159
20
Vigesimal
54a30e61
36
Base36
32m5gm1
md5
02785162180adcf27b2dc2fa9e051e35
sha1
b5433246c9ccefe86f566e18e3473c257ca15ac2
sha256
e222e3264ea2d77e314298404f582c76fa9b674f46975d3a2f1c347e90cb0e3b
sha512
f89b05d8e3bce41bd3da1761218a8db163555b96bcde8f978a749773791247a78947bde3efae464188a595e0d34060530a348bcb0f5c404a5cd36687962d0cac
ripemd-160
ed5194ba19baebbfcc6fcf2f370fa62dd4234527
Diameter
13376971442
Circumference
42024995209.468
Area
1.4054179019181E+20
Volume
1.2533490092023E+30
Surface area
5.6216716076724E+20
Circumference
42024995209.468
Perimeter
26753942884
Area
4.4735841240021E+19
Diagonal
9458947218.377
Surface area
2.6841504744013E+20
Volume
2.992150353508E+29
Space diagonal
11584797094.471
Perimeter
20065457163
Area
1.9371187486763E+19
Altitude
5792398547.2355
Surface area
1.9371187486763E+19
Volume
3.5262830088254E+28
Height
3152982406.1257