668049221 is an odd 9-digits composite number following 668049220
and preceding 668049222 . In scientific notation, it is written as 6.68049221 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 538928832 positive integers (up to 668049221) that are relatively prime to 668049221.
668049221 has 12 divisors, whose sum is 811039968
The reverse of 668049221 is 122940866
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred sixty-eight million forty-nine thousand two hundred twenty-one
Scientific notation
6.68049221 × 10^8
Engineering notation
6.68049221 × 10^6
Prime Factorization
7 × 17 × 17 × 330227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39297013
Product of the distinct prime numbers
The prime factorization of 668049221 is 7 × 17 × 17 × 330227.
Since it has a total of 4 prime factors.
10 , 4 , 71 , 65 , 981 , 57 , 3650 , 1605 , 56910 , 12301 , 753443 , 91721 , 9691703 , 1515725 , 79190027 , 1366492 , 4432385 , 581800737 , 2520234594 , 7115679495
n×2
1336098442
n×3
2004147663
n×4
2672196884
n×5
3340246105
n÷2
334024610.5
n÷3
222683073.66667
n÷3
167012305.25
n÷5
133609844.2
n2
446289761678706841
n3
2.9814352762974E+26
n4
1.9917455137924E+35
n5
1.3305840389192E+44
2 √n
25846.648157933
3 √n
874.18393399235
4 √n
160.76892783723
5 √n
58.205187471821
1 , 7 , 17 , 119 , 289 , 2023 , 330227 , 2311589 , 5613859 , 39297013 , 95435603 , 668049221
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668049220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668049221 can be divided by 12 positive divisors.
The sum of these divisors (counting 668049221) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111110100011001111101000101
3
Ternary
1201120001102020202
4
Quaternary
213310121331011
5
Quinary
2332010033341
6
Senary
150142340245
8
Octal
4764317505
10
Decimal
668049221
12
Duodecimal
16788a685
16
Hexadecimal
27d19f45
20
Vigesimal
a8f6311
36
Base36
b1qm2t
md5
26d335edacc8d4883a2ba64147d588d0
sha1
e2aab569b418a4883ebc77cc4cfd90286eb9f744
sha256
fd3206d53f624e4d7a50fd4b6f7326cdfec3714fbf3a793391bd69048a75bf06
sha512
d58004e1eb027db92b950d61a99e3c210fabdc19d3ea668170866d1b3c162a60704ee8efe8ddff5cc382a9233c6137f0956d9cb5ff3a888f39ca53c2a0f742de
ripemd-160
47b9d0dba42e6d73bffb6f7553d78bf22abbfc55
Diameter
1336098442
Circumference
4197477049.86
Area
1.4020606366622E+18
Volume
1.2488606881559E+27
Surface area
5.6082425466487E+18
Circumference
4197477049.86
Perimeter
2672196884
Area
446289761678706841
Diagonal
944764268.67098
Surface area
2677738570072241046
Volume
2.9814352762974E+26
Space diagonal
1157095192.7288
Perimeter
2004147663
Area
1.9324913553133E+17
Altitude
578547596.3644
Surface area
1.9324913553133E+17
Volume
3.5136551692311E+25
Height
314921422.89033