688889772 is an even 9-digits composite number following 688889771
and preceding 688889773 . In scientific notation, it is written as 6.88889772 × 10^8.
The sum of its digits is 63. It has a total of 4 prime factors and 12 positive divisors.
There are 229629816 positive integers (up to 688889772) that are relatively prime to 688889772.
688889772 has 12 divisors, whose sum is 1220441096
The reverse of 688889772 is 277988886
Previous prime number is 81
Is Prime? no Number parity even Number length 9 Sum of Digits 63 Digital Root 9
Name
six hundred eighty-eight million eight hundred eighty-nine thousand seven hundred seventy-two
Scientific notation
6.88889772 × 10^8
Engineering notation
6.88889772 × 10^6
Prime Factorization
2 × 2 × 81 × 2126203
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
344444886 Product of the distinct prime numbers
The prime factorization of 688889772 is 2 × 2 × 81 × 2126203.
Since it has a total of 4 prime factors.
9 , 2 , 95 , 32 , 489 , 639 , 1761 , 5201 , 27272 , 4281 , 68548 , 757776 , 2830652 , 7462135 , 8058014 , 28661040 , 486055404 , 975371525 , 6129714303 , 7640371521
n×2
1377779544
n×3
2066669316
n×4
2755559088
n×5
3444448860
n÷2
344444886
n÷3
229629924
n÷3
172222443
n÷5
137777954.4
n2
474569117966211984
n3
3.2692581147398E+26
n4
2.2521584772723E+35
n5
1.551488939916E+44
2 √n26246.709736651
3 √n883.18139618481
4 √n162.00836316885
5 √n58.563894197667
1 , 2 , 4 , 81 , 162 , 324 , 2126203 , 4252406 , 8504812 , 172222443 , 344444886 , 688889772
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
-688889771 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 688889772 can be divided by 12 positive divisors.
The sum of these divisors (counting 688889772) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001000011111001111110101100
3
Ternary
1210000021020010000
4
Quaternary
221003321332230
5
Quinary
2402323433042
6
Senary
152205144300
8
Octal
5103717654
10
Decimal
688889772
12
Duodecimal
17285b090
16
Hexadecimal
290f9fac
20
Vigesimal
af5b48c
36
Base36
be5ar0
md5
78e13027fef602fda7c65f0280e248a2
sha1
f70315a4461ccfd7e9f06068c9619b10f1b3aafd
sha256
75526cd9d8a4e7d14f7c3bd6b8986c23220ab856ccd58daa85000e113b4de11a
sha512
68dcdec5a986eb8e2f46880b3ba11b9e97576b0b65ec434e72f3203e2d3c18e7d1ae4b3dcb4fcbefac297a22eec479ed5efaee55308840724ed12211f238c189
ripemd-160
fef39b730cdff80a1c8fd7146e83b160193acf62
Diameter
1377779544
Circumference
4328422093.6967
Area
1.4909028546232E+18
Volume
1.3694236367941E+27
Surface area
5.963611418493E+18
Circumference
4328422093.6967
Perimeter
2755559088
Area
474569117966211984
Diagonal
974237258.54251
Surface area
2847414707797271904
Volume
3.2692581147398E+26
Space diagonal
1193192085.9185
Perimeter
2066669316
Area
2.0549445600516E+17
Altitude
596596042.95927
Surface area
2.0549445600516E+17
Volume
3.8528576373028E+25
Height
324745752.8475