668045405 is an odd 9-digits composite number following 668045404
and preceding 668045406 . In scientific notation, it is written as 6.68045405 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 528490560 positive integers (up to 668045405) that are relatively prime to 668045405.
668045405 has 16 divisors, whose sum is 810601344
The reverse of 668045405 is 504540866
Previous prime number is 1223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred sixty-eight million forty-five thousand four hundred five
Scientific notation
6.68045405 × 10^8
Engineering notation
6.68045405 × 10^6
Prime Factorization
5 × 107 × 1223 × 1021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668045405
Product of the distinct prime numbers
The prime factorization of 668045405 is 5 × 107 × 1223 × 1021.
Since it has a total of 4 prime factors.
2 , 2 , 76 , 100 , 530 , 692 , 9108 , 6544 , 45867 , 48730 , 529157 , 652943 , 5774663 , 5440128 , 54911290 , 8294043 , 961198580 , 877372093 , 2158155320 , 5471904910
n×2
1336090810
n×3
2004136215
n×4
2672181620
n×5
3340227025
n÷2
334022702.5
n÷3
222681801.66667
n÷3
167011351.25
n÷5
133609081
n2
446284663141614025
n3
2.9813841853373E+26
n4
1.9917000055542E+35
n5
1.330546036849E+44
2 √n
25846.574337811
3 √n
874.18226949811
4 √n
160.76869825252
5 √n
58.205120976271
1 , 5 , 107 , 535 , 1021 , 1223 , 5105 , 6115 , 109247 , 130861 , 546235 , 654305 , 1248683 , 6243415 , 133609081 , 668045405
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
-668045404
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 668045405 can be divided by 16 positive divisors.
The sum of these divisors (counting 668045405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110100011001000001011101
3
Ternary
1201120001020000102
4
Quaternary
213310121001131
5
Quinary
2332004423110
6
Senary
150142310445
8
Octal
4764310135
10
Decimal
668045405
12
Duodecimal
167888425
16
Hexadecimal
27d1905d
20
Vigesimal
a8f5da5
36
Base36
b1qj4t
md5
dc321a46829aeffa75e3ad55a7aed105
sha1
51773b9c24d841dd1dc52c62f4a4bad63f6eaeca
sha256
71339a4769b6af1b1a40e8cf4f7fc656123c8ca7af0ce2a6fe3d65d761ff38aa
sha512
52c77a38addd187656d73362d657e81384c9e8d91e86753a11ad0aab26b2cb855559d1fa8ed34771635ecf3b72e7f2bb2abf83c382922038fbc5b9d1357dbde1
ripemd-160
c643e2d96235c064275c4fb0a4ef8457332c1a4e
Diameter
1336090810
Circumference
4197453073.2248
Area
1.4020446191355E+18
Volume
1.2488392872246E+27
Surface area
5.608178476542E+18
Circumference
4197453073.2248
Perimeter
2672181620
Area
446284663141614025
Diagonal
944758872.03203
Surface area
2677707978849684150
Volume
2.9813841853373E+26
Space diagonal
1157088583.2229
Perimeter
2004136215
Area
1.9324692780001E+17
Altitude
578544291.61146
Surface area
1.9324692780001E+17
Volume
3.5135949579572E+25
Height
314919624.01068