668840493 is an odd 9-digits composite number following 668840492
and preceding 668840494 . In scientific notation, it is written as 6.68840493 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 445800384 positive integers (up to 668840493) that are relatively prime to 668840493.
668840493 has 8 divisors, whose sum is 891973888
The reverse of 668840493 is 394048866
Previous prime number is 5407
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred sixty-eight million eight hundred forty thousand four hundred ninety-three
Scientific notation
6.68840493 × 10^8
Engineering notation
6.68840493 × 10^6
Prime Factorization
3 × 5407 × 41233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668840493
Product of the distinct prime numbers
The prime factorization of 668840493 is 3 × 5407 × 41233.
Since it has a total of 3 prime factors.
8 , 10 , 42 , 49 , 245 , 813 , 2750 , 6859 , 97448 , 40369 , 132613 , 492376 , 2324445 , 2049187 , 76170585 , 36033196 , 882958843 , 140137038 , 4202808566 , 7619523851
n×2
1337680986
n×3
2006521479
n×4
2675361972
n×5
3344202465
n÷2
334420246.5
n÷3
222946831
n÷3
167210123.25
n÷5
133768098.6
n2
447347605076483049
n3
2.9920419272172E+26
n4
2.0011987976767E+35
n5
1.3384827904291E+44
2 √n
25861.950680488
3 √n
874.52894068036
4 √n
160.81651246215
5 √n
58.218969189887
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
-668840492
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 668840493 can be divided by 8 positive divisors.
The sum of these divisors (counting 668840493) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111011011001000101101
3
Ternary
1201121112121200010
4
Quaternary
213313123020231
5
Quinary
2332210343433
6
Senary
150211323433
8
Octal
4767331055
10
Decimal
668840493
12
Duodecimal
167bb0579
16
Hexadecimal
27ddb22d
20
Vigesimal
a90514d
36
Base36
b27kml
md5
604331faa3687ce2e09322b78b83d855
sha1
ebde6a1c4a032ee949dfd024541a723c69b519c3
sha256
f3d1d51503805b7af48789ded1baf1821fb42a81c69038da785a381f2f691211
sha512
4ef2f362ab6e4aaf2f25f3b33cbafaa91838b44d19c8293f4eafdbf4090b1644b5b475bd2402a2f2a55431f1f6a43bb77c764b92d47c625f61743c015edcc112
ripemd-160
ec5e97c34787cc22a78b88ac791d2fe8ded985bd
Diameter
1337680986
Circumference
4202448758.4644
Area
1.4053839497093E+18
Volume
1.2533035917038E+27
Surface area
5.6215357988371E+18
Circumference
4202448758.4644
Perimeter
2675361972
Area
447347605076483049
Diagonal
945883296.26491
Surface area
2684085630458898294
Volume
2.9920419272172E+26
Space diagonal
1158465716.0354
Perimeter
2006521479
Area
1.9370719515918E+17
Altitude
579232858.01771
Surface area
1.9370719515918E+17
Volume
3.5261552272163E+25
Height
315294432.0883