668049218 is an even 9-digits composite number following 668049217
and preceding 668049219 . In scientific notation, it is written as 6.68049218 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 334024608 positive integers (up to 668049218) that are relatively prime to 668049218.
668049218 has 4 divisors, whose sum is 1002073830
The reverse of 668049218 is 812940866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred sixty-eight million forty-nine thousand two hundred eighteen
Scientific notation
6.68049218 × 10^8
Engineering notation
6.68049218 × 10^6
Prime Factorization
2 × 334024609
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668049218
Product of the distinct prime numbers
The prime factorization of 668049218 is 2 × 334024609.
Since it has a total of 2 prime factors.
5 , 6 , 66 , 43 , 567 , 663 , 3160 , 2360 , 88622 , 58702 , 546469 , 705606 , 7292698 , 1348494 , 67392964 , 68239214 , 206889969 , 199542676 , 6838428338 , 6734271994
n×2
1336098436
n×3
2004147654
n×4
2672196872
n×5
3340246090
n÷2
334024609
n÷3
222683072.66667
n÷3
167012304.5
n÷5
133609843.6
n2
446289757670411524
n3
2.9814352361313E+26
n4
1.9917454780151E+35
n5
1.3305840090431E+44
2 √n
25846.648099899
3 √n
874.18393268379
4 √n
160.76892765674
5 √n
58.205187419545
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668049217
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668049218 can be divided by 4 positive divisors.
The sum of these divisors (counting 668049218) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110100011001111101000010
3
Ternary
1201120001102020122
4
Quaternary
213310121331002
5
Quinary
2332010033333
6
Senary
150142340242
8
Octal
4764317502
10
Decimal
668049218
12
Duodecimal
16788a682
16
Hexadecimal
27d19f42
20
Vigesimal
a8f630i
36
Base36
b1qm2q
md5
9613cadd2af3ffaf158d03d0506828b9
sha1
4b7b52dff38c7f5bba260ebe388391bfabad658f
sha256
fdeebc554d707d67abe097c974ab299e4980c08dc6b0b4ad2a745bb53b575c19
sha512
6c36f3bbd036d06f0a8850609eb0fda4c7afba5a6742b9f4b0f25086aca34f702a8e3861a7ee25d9d1597197f26f93b48974628bcc786a365ce83bbfd3859aaa
ripemd-160
b57a47c782df917a7ed9e63fd143cae8323f0776
Diameter
1336098436
Circumference
4197477031.0104
Area
1.4020606240697E+18
Volume
1.2488606713312E+27
Surface area
5.6082424962789E+18
Circumference
4197477031.0104
Perimeter
2672196872
Area
446289757670411524
Diagonal
944764264.42834
Surface area
2677738546022469144
Volume
2.9814352361313E+26
Space diagonal
1157095187.5327
Perimeter
2004147654
Area
1.9324913379569E+17
Altitude
578547593.76633
Surface area
1.9324913379569E+17
Volume
3.5136551218949E+25
Height
314921421.47611