668045139 is an odd 9-digits composite number following 668045138
and preceding 668045140 . In scientific notation, it is written as 6.68045139 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 445302240 positive integers (up to 668045139) that are relatively prime to 668045139.
668045139 has 8 divisors, whose sum is 890849232
The reverse of 668045139 is 931540866
Previous prime number is 11933
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred sixty-eight million forty-five thousand one hundred thirty-nine
Scientific notation
6.68045139 × 10^8
Engineering notation
6.68045139 × 10^6
Prime Factorization
3 × 11933 × 18661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668045139
Product of the distinct prime numbers
The prime factorization of 668045139 is 3 × 11933 × 18661.
Since it has a total of 3 prime factors.
1 , 5 , 27 , 94 , 384 , 546 , 7588 , 9430 , 6200 , 41268 , 72295 , 405638 , 4405952 , 6939694 , 16273873 , 643151 , 605298294 , 21888031 , 1767752815 , 6969597570
n×2
1336090278
n×3
2004135417
n×4
2672180556
n×5
3340225695
n÷2
334022569.5
n÷3
222681713
n÷3
167011284.75
n÷5
133609027.8
n2
446284307741529321
n3
2.9813806239871E+26
n4
1.9916968333634E+35
n5
1.3305433878901E+44
2 √n
25846.569192061
3 √n
874.18215347181
4 √n
160.76868224894
5 √n
58.205116341088
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
-668045138
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 668045139 can be divided by 8 positive divisors.
The sum of these divisors (counting 668045139) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110100011000111101010011
3
Ternary
1201120001012122120
4
Quaternary
213310120331103
5
Quinary
2332004421024
6
Senary
150142305323
8
Octal
4764307523
10
Decimal
668045139
12
Duodecimal
167888243
16
Hexadecimal
27d18f53
20
Vigesimal
a8f5cgj
36
Base36
b1qixf
md5
c941539e1ee60c4ee10891231657c7a3
sha1
2693f4cdcd22ece01bdf53ad81c0a1e4b7e110b3
sha256
d4ba32348c1f6e91eec95c06b125b99174479eb978f3d4497a2a8fc405185de2
sha512
69a1a63402a2ffb41c00b8efeb8e3f7f4b2b8ebfe778ee298800d1bb0290027562547da6318c3107daa6d5e00c479e75bfd920d07cbaad806e36a71148dc1e4f
ripemd-160
d9427586902657b0ff96e19594edb34b5e2c7b3d
Diameter
1336090278
Circumference
4197451401.8975
Area
1.4020435026132E+18
Volume
1.2488377954497E+27
Surface area
5.6081740104528E+18
Circumference
4197451401.8975
Perimeter
2672180556
Area
446284307741529321
Diagonal
944758495.85122
Surface area
2677705846449175926
Volume
2.9813806239871E+26
Space diagonal
1157088122.4974
Perimeter
2004135417
Area
1.9324677390726E+17
Altitude
578544061.24871
Surface area
1.9324677390726E+17
Volume
3.5135907608658E+25
Height
314919498.61707