668775642 is an even 9-digits composite number following 668775641
and preceding 668775643 . In scientific notation, it is written as 6.68775642 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 208037808 positive integers (up to 668775642) that are relatively prime to 668775642.
668775642 has 16 divisors, whose sum is 1036009920
The reverse of 668775642 is 246577866
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred sixty-eight million seven hundred seventy-five thousand six hundred forty-two
Scientific notation
6.68775642 × 10^8
Engineering notation
6.68775642 × 10^6
Prime Factorization
2 × 57 × 67 × 87559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668775642
Product of the distinct prime numbers
The prime factorization of 668775642 is 2 × 57 × 67 × 87559.
Since it has a total of 4 prime factors.
1 , 6 , 51 , 38 , 244 , 225 , 4610 , 432 , 80591 , 88342 , 304721 , 926150 , 6817008 , 7500298 , 96144038 , 23432447 , 357348951 , 513461330 , 5094376203 , 1109452647
n×2
1337551284
n×3
2006326926
n×4
2675102568
n×5
3343878210
n÷2
334387821
n÷3
222925214
n÷3
167193910.5
n÷5
133755128.4
n2
447260859332512164
n3
2.9911716834157E+26
n4
2.0004227629086E+35
n5
1.3378340175356E+44
2 √n
25860.69685836
3 √n
874.50067489301
4 √n
160.81261411457
5 √n
58.217840159916
1 , 2 , 57 , 67 , 114 , 134 , 3819 , 7638 , 87559 , 175118 , 4990863 , 5866453 , 9981726 , 11732906 , 334387821 , 668775642
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
-668775641
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 668775642 can be divided by 16 positive divisors.
The sum of these divisors (counting 668775642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110111001011010011011010
3
Ternary
1201121102022201020
4
Quaternary
213313023103122
5
Quinary
2332201310032
6
Senary
150210103310
8
Octal
4767132332
10
Decimal
668775642
12
Duodecimal
167b7ab36
16
Hexadecimal
27dcb4da
20
Vigesimal
a8jgj22
36
Base36
b266l6
md5
59bfe8eba3af6ebbc936e93e87c6da9b
sha1
6a5bbe56d6ebcc4c4d6c5d6226e69621466db2aa
sha256
648bb158ddb1eb5c0a4f9f81405d515f811680658fc776505d6c88e7a17f9cfa
sha512
ec4801783b0ea44368bb3efaeb2fff7b9a172c71be971cb1a8dde6071a00d7fc7c4d8926de53d8cca2f225ff3220205fa8f9a07c39dfaaa903eaea4246a47ae9
ripemd-160
ad1290d9dd69a0a61d8530f158a0cbd9a669dc5b
Diameter
1337551284
Circumference
4202041287.614
Area
1.4051114299173E+18
Volume
1.2529390648326E+27
Surface area
5.6204457196691E+18
Circumference
4202041287.614
Perimeter
2675102568
Area
447260859332512164
Diagonal
945791583.10117
Surface area
2683565155995072984
Volume
2.9911716834157E+26
Space diagonal
1158353390.8085
Perimeter
2006326926
Area
1.9366963315021E+17
Altitude
579176695.40425
Surface area
1.9366963315021E+17
Volume
3.5251296350607E+25
Height
315263861.03372