668768488 is an even 9-digits composite number following 668768487
and preceding 668768489 . In scientific notation, it is written as 6.68768488 × 10^8.
The sum of its digits is 61. It has a total of 5 prime factors and 16 positive divisors.
There are 325346688 positive integers (up to 668768488) that are relatively prime to 668768488.
668768488 has 16 divisors, whose sum is 1287831780
The reverse of 668768488 is 884867866
Previous prime number is 37
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
six hundred sixty-eight million seven hundred sixty-eight thousand four hundred eighty-eight
Scientific notation
6.68768488 × 10^8
Engineering notation
6.68768488 × 10^6
Prime Factorization
2 × 2 × 2 × 37 × 2259353
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
167192122
Product of the distinct prime numbers
The prime factorization of 668768488 is 2 × 2 × 2 × 37 × 2259353.
Since it has a total of 5 prime factors.
9 , 5 , 28 , 53 , 625 , 407 , 9025 , 2387 , 20146 , 9795 , 403264 , 670313 , 2804268 , 6324894 , 3323645 , 37625738 , 330773945 , 715617443 , 1134465378 , 4600595294
n×2
1337536976
n×3
2006305464
n×4
2675073952
n×5
3343842440
n÷2
334384244
n÷3
222922829.33333
n÷3
167192122
n÷5
133753697.6
n2
447251290541806144
n3
2.9910756933169E+26
n4
2.0003371689131E+35
n5
1.3377624639442E+44
2 √n
25860.558539985
3 √n
874.49755665737
4 √n
160.81218405328
5 √n
58.217715606274
1 , 2 , 4 , 8 , 37 , 74 , 148 , 296 , 2259353 , 4518706 , 9037412 , 18074824 , 83596061 , 167192122 , 334384244 , 668768488
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
-668768487
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 668768488 can be divided by 16 positive divisors.
The sum of these divisors (counting 668768488) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111001001100011101000
3
Ternary
1201121101221220021
4
Quaternary
213313021203220
5
Quinary
2332201042423
6
Senary
150210010224
8
Octal
4767114350
10
Decimal
668768488
12
Duodecimal
167b76974
16
Hexadecimal
27dc98e8
20
Vigesimal
a8jg148
36
Base36
b2612g
md5
0412b6fe6c175c21e395df40c4c785de
sha1
aebf6ba5b4ebe7cbf93baf40d6b9a73d9557aa89
sha256
320d12a880f6f10e574ddaa2d452b70c9de581e093c7bc2d6de3fd927efdbb3f
sha512
8b8db958d5298910eed72f745f2534f35a8f07669c2d6a2394711794a43634d29bbef4d949325d79b1ad2b8712cba00bdb20f915e03e7e9c96918c5e71f50a14
ripemd-160
99acbb1f0d3ee8ea77dcd5532e89cdbd415362bf
Diameter
1337536976
Circumference
4201996337.7063
Area
1.4050813686747E+18
Volume
1.2528988565941E+27
Surface area
5.6203254746988E+18
Circumference
4201996337.7063
Perimeter
2675073952
Area
447251290541806144
Diagonal
945781465.81735
Surface area
2683507743250836864
Volume
2.9910756933169E+26
Space diagonal
1158340999.717
Perimeter
2006305464
Area
1.9366548974229E+17
Altitude
579170499.85851
Surface area
1.9366548974229E+17
Volume
3.5250165096444E+25
Height
315260488.60578