6688756891 is an odd 10-digits composite number following 6688756890
and preceding 6688756892 . In scientific notation, it is written as 6.688756891 × 10^9.
The sum of its digits is 64. It has a total of 3 prime factors and 8 positive divisors.
There are 6351238080 positive integers (up to 6688756891) that are relatively prime to 6688756891.
6688756891 has 8 divisors, whose sum is 7030521504
The reverse of 6688756891 is 1986578866
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 64
Digital Root 1
Name
six billion six hundred eighty-eight million seven hundred fifty-six thousand eight hundred ninety-one
Scientific notation
6.688756891 × 10^9
Engineering notation
6.688756891 × 10^9
Prime Factorization
23 × 137 × 2122741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6688756891
Product of the distinct prime numbers
The prime factorization of 6688756891 is 23 × 137 × 2122741.
Since it has a total of 3 prime factors.
4 , 2 , 39 , 97 , 350 , 451 , 6075 , 8938 , 26188 , 90694 , 718549 , 877689 , 7417130 , 1048498 , 13228621 , 28102476 , 963481798 , 581514000 , 2253067911 , 8364284198
n×2
13377513782
n×3
20066270673
n×4
26755027564
n×5
33443784455
n÷2
3344378445.5
n÷3
2229585630.3333
n÷3
1672189222.75
n÷5
1337751378.2
n2
4.47394687469E+19
n3
2.9925142988051E+29
n4
2.0016200637548E+39
n5
1.3388349994604E+49
2 √n
81784.820663739
3 √n
1884.1485356533
4 √n
285.980455038
5 √n
92.27181902639
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
-6688756890
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 6688756891 can be divided by 8 positive divisors.
The sum of these divisors (counting 6688756891) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001110101011100101010010011011
3
Ternary
122021011002001111201
4
Quaternary
12032223211102123
5
Quinary
102144310210031
6
Senary
3023415135031
8
Octal
61653452233
10
Decimal
6688756891
12
Duodecimal
1368074477
16
Hexadecimal
18eae549b
20
Vigesimal
54a4ec4b
36
Base36
32mb9uj
md5
23f3ba3190f5bdef2788b953338b626f
sha1
519e4e49a9a65afba8a33d889ce29caadcd1f13e
sha256
6c3859d70f9c31799494063185a8928d97ed984789104cf51b18b466c76486bd
sha512
416f838451e33ea2baacd3785598e83180a62daf3e0292ffd03e553146200846b6a23ddd1e214998ee5cb404d3a3c30ecb4f51bdf6b6591983733e1febf6a5fd
ripemd-160
009d1e0499f0ad4433c16eb2454ba0d1e1b32885
Diameter
13377513782
Circumference
42026699020.827
Area
1.4055318634077E+20
Volume
1.2535014582518E+30
Surface area
5.6221274536308E+20
Circumference
42026699020.827
Perimeter
26755027564
Area
4.47394687469E+19
Diagonal
9459330710.6687
Surface area
2.684368124814E+20
Volume
2.9925142988051E+29
Space diagonal
11585266774.688
Perimeter
20066270673
Area
1.9372758243318E+19
Altitude
5792633387.3442
Surface area
1.9372758243318E+19
Volume
3.5267119224713E+28
Height
3153110236.8896