6688045987 is an odd 10-digits composite number following 6688045986
and preceding 6688045988 . In scientific notation, it is written as 6.688045987 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 5715289800 positive integers (up to 6688045987) that are relatively prime to 6688045987.
6688045987 has 8 divisors, whose sum is 7666575872
The reverse of 6688045987 is 7895408866
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
six billion six hundred eighty-eight million forty-five thousand nine hundred eighty-seven
Scientific notation
6.688045987 × 10^9
Engineering notation
6.688045987 × 10^9
Prime Factorization
7 × 331 × 2886511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6688045987
Product of the distinct prime numbers
The prime factorization of 6688045987 is 7 × 331 × 2886511.
Since it has a total of 3 prime factors.
6 , 4 , 54 , 40 , 923 , 871 , 5702 , 7613 , 31435 , 59151 , 475893 , 245691 , 2072121 , 57042 , 16991432 , 88046352 , 37328126 , 386538718 , 947707450 , 4531577132
n×2
13376091974
n×3
20064137961
n×4
26752183948
n×5
33440229935
n÷2
3344022993.5
n÷3
2229348662.3333
n÷3
1672011496.75
n÷5
1337609197.4
n2
4.4729959124227E+19
n3
2.9915602361946E+29
n4
2.000769243255E+39
n5
1.3381236708265E+49
2 √n
81780.474362772
3 √n
1884.0817820343
4 √n
285.97285598947
5 √n
92.269857549984
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
-6688045986
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 6688045987 can be divided by 8 positive divisors.
The sum of these divisors (counting 6688045987) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001110101000110111101110100011
3
Ternary
122021002201221022221
4
Quaternary
12032220313232203
5
Quinary
102144114432422
6
Senary
3023352011511
8
Octal
61650675643
10
Decimal
6688045987
12
Duodecimal
1367990b97
16
Hexadecimal
18ea37ba3
20
Vigesimal
54a05ej7
36
Base36
32lw1b7
md5
5f7e453d3db40585edb0269507fe3869
sha1
8272f1ed37ec3d476926ffd16cf4e3574ca2628b
sha256
92bfa04f1c262517414ccc6684c7c939b6b5b6f182df6170c75fcc276b84fcf4
sha512
60cff782c2f7c264e5fa5efb5007b0a5e4d167c50a8b6fd1576b475d399994fc849e16699070def57334b4a1bd860cfa107e8cb8d07039a5d665ea752167cea7
ripemd-160
213afe7e3fbb141d59af49258b74dfad41a29a40
Diameter
13376091974
Circumference
42022232279.26
Area
1.4052331098004E+20
Volume
1.25310182144E+30
Surface area
5.6209324392017E+20
Circumference
42022232279.26
Perimeter
26752183948
Area
4.4729959124227E+19
Diagonal
9458325340.5904
Surface area
2.6837975474536E+20
Volume
2.9915602361946E+29
Space diagonal
11584035452.841
Perimeter
20064137961
Area
1.936864045591E+19
Altitude
5792017726.4206
Surface area
1.936864045591E+19
Volume
3.525587548902E+28
Height
3152775113.5301