668840497 is an odd 9-digits composite number following 668840496
and preceding 668840498 . In scientific notation, it is written as 6.68840497 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 617032080 positive integers (up to 668840497) that are relatively prime to 668840497.
668840497 has 8 divisors, whose sum is 720708800
The reverse of 668840497 is 794048866
Previous prime number is 1831
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred sixty-eight million eight hundred forty thousand four hundred ninety-seven
Scientific notation
6.68840497 × 10^8
Engineering notation
6.68840497 × 10^6
Prime Factorization
13 × 1831 × 28099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668840497
Product of the distinct prime numbers
The prime factorization of 668840497 is 13 × 1831 × 28099.
Since it has a total of 3 prime factors.
10 , 5 , 9 , 64 , 860 , 605 , 4409 , 2131 , 94954 , 91648 , 978099 , 95477 , 6912070 , 3677112 , 9066372 , 94409813 , 916666035 , 452695081 , 4528717470 , 6011515271
n×2
1337680994
n×3
2006521491
n×4
2675361988
n×5
3344202485
n÷2
334420248.5
n÷3
222946832.33333
n÷3
167210124.25
n÷5
133768099.4
n2
447347610427207009
n3
2.992041980899E+26
n4
2.0011988455493E+35
n5
1.338482830453E+44
2 √n
25861.950757822
3 √n
874.52894242374
4 √n
160.81651270259
5 √n
58.218969259523
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
-668840496
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 668840497 can be divided by 8 positive divisors.
The sum of these divisors (counting 668840497) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111011011001000110001
3
Ternary
1201121112121200021
4
Quaternary
213313123020301
5
Quinary
2332210343442
6
Senary
150211323441
8
Octal
4767331061
10
Decimal
668840497
12
Duodecimal
167bb0581
16
Hexadecimal
27ddb231
20
Vigesimal
a90514h
36
Base36
b27kmp
md5
9dd4d6323c7a84922ce347b5345241c9
sha1
454883067fb7fd4b1fb02cef125c00b1d7f2d298
sha256
f2a7e8623f593ee7fdbaa812e90890d0d522ecd241290573a1fa9625faa1be6a
sha512
53cb070338cff7c9a16308019e3c312c5ec36ee7fe648340c5b0b84f67c1ce038e95a5d422dd68663da6c4d90d2375530506f2e6eee0a5a37d4b1e7199fe3d61
ripemd-160
a6a5e828f5f481514c6fe575fd88a1e62d7287ad
Diameter
1337680994
Circumference
4202448783.5971
Area
1.4053839665191E+18
Volume
1.2533036141899E+27
Surface area
5.6215358660762E+18
Circumference
4202448783.5971
Perimeter
2675361988
Area
447347610427207009
Diagonal
945883301.92176
Surface area
2684085662563242054
Volume
2.992041980899E+26
Space diagonal
1158465722.9636
Perimeter
2006521491
Area
1.9370719747611E+17
Altitude
579232861.48181
Surface area
1.9370719747611E+17
Volume
3.5261552904808E+25
Height
315294433.97392