688021268 is an even 9-digits composite number following 688021267
and preceding 688021269 . In scientific notation, it is written as 6.88021268 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 312736920 positive integers (up to 688021268) that are relatively prime to 688021268.
688021268 has 12 divisors, whose sum is 1313495232
The reverse of 688021268 is 862120886
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred eighty-eight million twenty-one thousand two hundred sixty-eight
Scientific notation
6.88021268 × 10^8
Engineering notation
6.88021268 × 10^6
Prime Factorization
2 × 2 × 11 × 15636847
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
344010634
Product of the distinct prime numbers
The prime factorization of 688021268 is 2 × 2 × 11 × 15636847.
Since it has a total of 4 prime factors.
3 , 2 , 84 , 24 , 323 , 928 , 89 , 499 , 56624 , 54767 , 259084 , 273723 , 695962 , 8955626 , 55263966 , 1729936 , 415632462 , 957295465 , 3839858238 , 218292573
n×2
1376042536
n×3
2064063804
n×4
2752085072
n×5
3440106340
n÷2
344010634
n÷3
229340422.66667
n÷3
172005317
n÷5
137604253.6
n2
473373265220327824
n3
3.2569087417419E+26
n4
2.2408224822535E+35
n5
1.541733525603E+44
2 √n
26230.159511524
3 √n
882.81008900879
4 √n
161.95727680942
5 √n
58.549120093697
1 , 2 , 4 , 11 , 22 , 44 , 15636847 , 31273694 , 62547388 , 172005317 , 344010634 , 688021268
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-688021267
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 688021268 can be divided by 12 positive divisors.
The sum of these divisors (counting 688021268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001000000100101111100010100
3
Ternary
1202221122002202012
4
Quaternary
221000211330110
5
Quinary
2402113140033
6
Senary
152134403352
8
Octal
5100457424
10
Decimal
688021268
12
Duodecimal
172500558
16
Hexadecimal
29025f14
20
Vigesimal
af02d38
36
Base36
bdmolw
md5
21d0b2053e4f85ffdfe99cb372025744
sha1
e84cbdfadc7ae58221ded292b2f6364cabcd9fbd
sha256
8b2db57921c5884c0b0a75e757a5ff054915aafe2f1376c4013a1aaae4c7be07
sha512
5a8139a1d2035273457dc946506f8068d19ca1c48d67b9bc0980822337af6dae2f1d31565c26dfe73ba8864a4f4ee94d21b2d1f2d8388b24fc53b0691d4e56c2
ripemd-160
4502f0eafa8c5311f3e967be077bb8fabcde1e6b
Diameter
1376042536
Circumference
4322965122.1247
Area
1.487145972422E+18
Volume
1.3642507435292E+27
Surface area
5.948583889688E+18
Circumference
4322965122.1247
Perimeter
2752085072
Area
473373265220327824
Diagonal
973009008.40673
Surface area
2840239591321966944
Volume
3.2569087417419E+26
Space diagonal
1191687792.864
Perimeter
2064063804
Area
2.049766365766E+17
Altitude
595843896.43198
Surface area
2.049766365766E+17
Volume
3.8383037616524E+25
Height
324336336.13558