6688402721 is an odd 10-digits composite number following 6688402720
and preceding 6688402722 . In scientific notation, it is written as 6.688402721 × 10^9.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 4810838400 positive integers (up to 6688402721) that are relatively prime to 6688402721.
6688402721 has 8 divisors, whose sum is 7376621088
The reverse of 6688402721 is 1272048866
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
six billion six hundred eighty-eight million four hundred two thousand seven hundred twenty-one
Scientific notation
6.688402721 × 10^9
Engineering notation
6.688402721 × 10^9
Prime Factorization
91 × 11 × 6681721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6688402721
Product of the distinct prime numbers
The prime factorization of 6688402721 is 91 × 11 × 6681721.
Since it has a total of 3 prime factors.
6 , 5 , 95 , 87 , 304 , 278 , 9264 , 4955 , 195 , 76879 , 144050 , 909288 , 5059350 , 202639 , 16251802 , 83362603 , 225892587 , 434854480 , 8055791654 , 4084657384
n×2
13376805442
n×3
20065208163
n×4
26753610884
n×5
33442013605
n÷2
3344201360.5
n÷3
2229467573.6667
n÷3
1672100680.25
n÷5
1337680544.2
n2
4.473473095828E+19
n3
2.9920389626456E+29
n4
2.0011961539097E+39
n5
1.3384805801064E+49
2 √n
81782.655379977
3 √n
1884.1152798144
4 √n
285.9766692931
5 √n
92.270841846239
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
-6688402720
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 6688402721 can be divided by 8 positive divisors.
The sum of these divisors (counting 6688402721) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001110101010001110110100100001
3
Ternary
122021010102001200022
4
Quaternary
12032222032310201
5
Quinary
102144212341341
6
Senary
3023403403225
8
Octal
61652166441
10
Decimal
6688402721
12
Duodecimal
1367b23515
16
Hexadecimal
18ea8ed21
20
Vigesimal
54a2a6g1
36
Base36
32m3okh
md5
51bbc8bb12d58cd177c76e73e17953ad
sha1
3e5ddd67e39bde68210eb533bedb63ba86aa6c33
sha256
1b37bd666d3043ff5fb571235cca43d8348defcde5ec9d59115c9852e4a99637
sha512
673f09c1c8d1da7d3c4de25ad053c77e570c8c8adfe2120860ec5b0163ef4ad5314286e9f6180f5e1bba13e5ed20529d427794759e6208ca2c9689eece0ead58
ripemd-160
a64a92515215b12c30e46b8372563b6da5f44524
Diameter
13376805442
Circumference
42024473705.087
Area
1.4053830213885E+20
Volume
1.2533023499069E+30
Surface area
5.621532085554E+20
Circumference
42024473705.087
Perimeter
26753610884
Area
4.473473095828E+19
Diagonal
9458829838.6513
Surface area
2.6840838574968E+20
Volume
2.9920389626456E+29
Space diagonal
11584653334.254
Perimeter
20065208163
Area
1.9370706720666E+19
Altitude
5792326667.127
Surface area
1.9370706720666E+19
Volume
3.5261517334352E+28
Height
3152943279.5504