6688493890 is an even 10-digits composite number following 6688493889
and preceding 6688493891 . In scientific notation, it is written as 6.688493890 × 10^9.
The sum of its digits is 61. It has a total of 4 prime factors and 16 positive divisors.
There are 2469597696 positive integers (up to 6688493890) that are relatively prime to 6688493890.
6688493890 has 16 divisors, whose sum is 12965388408
The reverse of 6688493890 is 0983948866
Previous prime number is 13
Is Prime? no
Number parity even
Number length 10
Sum of Digits 61
Digital Root 7
Name
six billion six hundred eighty-eight million four hundred ninety-three thousand eight hundred ninety
Scientific notation
6.688493890 × 10^9
Engineering notation
6.688493890 × 10^9
Prime Factorization
2 × 5 × 13 × 51449953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6688493890
Product of the distinct prime numbers
The prime factorization of 6688493890 is 2 × 5 × 13 × 51449953.
Since it has a total of 4 prime factors.
3 , 5 , 62 , 99 , 616 , 478 , 2360 , 3558 , 16306 , 88961 , 968807 , 753774 , 1783610 , 3680927 , 81959917 , 95366674 , 139065255 , 281759351 , 404811223 , 5042346848
n×2
13376987780
n×3
20065481670
n×4
26753975560
n×5
33442469450
n÷2
3344246945
n÷3
2229497963.3333
n÷3
1672123472.5
n÷5
1337698778
n2
4.4735950516567E+19
n3
2.992161316934E+29
n4
2.0013052686208E+39
n5
1.3385718061195E+49
2 √n
81783.21276399
3 √n
1884.1238405093
4 √n
285.97764381852
5 √n
92.271093391933
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 51449953 , 102899906 , 257249765 , 514499530 , 668849389 , 1337698778 , 3344246945 , 6688493890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6688493889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6688493890 can be divided by 16 positive divisors.
The sum of these divisors (counting 6688493890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001110101010100101000101000010
3
Ternary
122021010120200201221
4
Quaternary
12032222211011002
5
Quinary
102144223301030
6
Senary
3023405345254
8
Octal
61652450502
10
Decimal
6688493890
12
Duodecimal
1367b6822a
16
Hexadecimal
18eaa5142
20
Vigesimal
54a31eea
36
Base36
32m5mwy
md5
ac2940d78546e4344a66de9b56a32e6f
sha1
b6aa1863cdc93f3d6c3ceaf71da52b58baeafa89
sha256
72c55263d238ea04d0be4dbc8d88073cad97941aa1a70dc1764887f355057074
sha512
4ac2219fecc7de80e2fe158a930bd265be32d065885c3c29d9e26b9c818eb974b1c3171130f8bf2f5e202ce1ecb4ae0b6ad8a099a176712256380ce4c4bd5816
ripemd-160
a4cfcc10f1d6f57ce4a1aef3f6c1b712d93e5597
Diameter
13376987780
Circumference
42025046536.808
Area
1.405421334942E+20
Volume
1.2533536015514E+30
Surface area
5.6216853397682E+20
Circumference
42025046536.808
Perimeter
26753975560
Area
4.4735950516567E+19
Diagonal
9458958771.0876
Surface area
2.684157030994E+20
Volume
2.992161316934E+29
Space diagonal
11584811243.594
Perimeter
20065481670
Area
1.9371234804895E+19
Altitude
5792405621.797
Surface area
1.9371234804895E+19
Volume
3.5262959293469E+28
Height
3152986257.0292