668728311 is an odd 9-digits composite number following 668728310
and preceding 668728312 . In scientific notation, it is written as 6.68728311 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 431028000 positive integers (up to 668728311) that are relatively prime to 668728311.
668728311 has 16 divisors, whose sum is 921274368
The reverse of 668728311 is 113827866
Previous prime number is 1301
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred sixty-eight million seven hundred twenty-eight thousand three hundred eleven
Scientific notation
6.68728311 × 10^8
Engineering notation
6.68728311 × 10^6
Prime Factorization
3 × 31 × 1301 × 5527
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668728311
Product of the distinct prime numbers
The prime factorization of 668728311 is 3 × 31 × 1301 × 5527.
Since it has a total of 4 prime factors.
5 , 4 , 57 , 72 , 966 , 458 , 1303 , 4721 , 14777 , 95646 , 999205 , 768323 , 9023260 , 6351570 , 25044688 , 29002054 , 469118505 , 303039462 , 8412507050 , 6297787688
n×2
1337456622
n×3
2006184933
n×4
2674913244
n×5
3343641555
n÷2
334364155.5
n÷3
222909437
n÷3
167182077.75
n÷5
133745662.2
n2
447197553932912721
n3
2.9905366492489E+26
n4
1.9998565224358E+35
n5
1.3373606744908E+44
2 √n
25859.781727617
3 √n
874.48004417357
4 √n
160.80976875681
5 √n
58.217016090848
1 , 3 , 31 , 93 , 1301 , 3903 , 5527 , 16581 , 40331 , 120993 , 171337 , 514011 , 7190627 , 21571881 , 222909437 , 668728311
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
-668728310
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 668728311 can be divided by 16 positive divisors.
The sum of these divisors (counting 668728311) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110110111111101111110111
3
Ternary
1201121022220210020
4
Quaternary
213312333233313
5
Quinary
2332143301221
6
Senary
150205100223
8
Octal
4766775767
10
Decimal
668728311
12
Duodecimal
167b57673
16
Hexadecimal
27dbfbf7
20
Vigesimal
a8jb0fb
36
Base36
b2562f
md5
df36bd8a3f39a0dd413f2844d6cf6847
sha1
df7762f64c7a29afd9d468920db07e6e37de942c
sha256
ccbb5de85616a350dc141d00690e0fcf6956dade907d959ff1914bd9cd3209d0
sha512
4a004411ccfa9c2c1aeb4403ad6efba80a1c98c0fd0f619a6bb364536a9445cfa0e55dbc0e632ef3a297041efe177178eb289852ffe1973079a0f9d146dbe27e
ripemd-160
0873c6ab6e2b32932a4113b3d58150b1ea24048a
Diameter
1337456622
Circumference
4201743898.1702
Area
1.404912550139E+18
Volume
1.2526730623428E+27
Surface area
5.6196502005559E+18
Circumference
4201743898.1702
Perimeter
2674913244
Area
447197553932912721
Diagonal
945724646.95905
Surface area
2683185323597476326
Volume
2.9905366492489E+26
Space diagonal
1158271411.1117
Perimeter
2006184933
Area
1.9364222110808E+17
Altitude
579135705.55586
Surface area
1.9364222110808E+17
Volume
3.524381240118E+25
Height
315241548.98635