668389626 is an even 9-digits composite number following 668389625
and preceding 668389627 . In scientific notation, it is written as 6.68389626 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 217362240 positive integers (up to 668389626) that are relatively prime to 668389626.
668389626 has 16 divisors, whose sum is 1141154280
The reverse of 668389626 is 626983866
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred sixty-eight million three hundred eighty-nine thousand six hundred twenty-six
Scientific notation
6.68389626 × 10^8
Engineering notation
6.68389626 × 10^6
Prime Factorization
2 × 9 × 41 × 905677
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668389626
Product of the distinct prime numbers
The prime factorization of 668389626 is 2 × 9 × 41 × 905677.
Since it has a total of 4 prime factors.
6 , 1 , 8 , 70 , 812 , 493 , 9922 , 4023 , 47502 , 99090 , 110929 , 324320 , 9389283 , 5790398 , 38257992 , 30876255 , 142884952 , 818480960 , 4002932495 , 9191302608
n×2
1336779252
n×3
2005168878
n×4
2673558504
n×5
3341948130
n÷2
334194813
n÷3
222796542
n÷3
167097406.5
n÷5
133677925.2
n2
446744692144419876
n3
2.9859951769989E+26
n4
1.9958081995921E+35
n5
1.3339774960931E+44
2 √n
25853.232409121
3 √n
874.33238914782
4 √n
160.7894039081
5 √n
58.211117962897
1 , 2 , 9 , 18 , 41 , 82 , 369 , 738 , 905677 , 1811354 , 8151093 , 16302186 , 37132757 , 74265514 , 334194813 , 668389626
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
-668389625
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 668389626 can be divided by 16 positive divisors.
The sum of these divisors (counting 668389626) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110101101101000011111010
3
Ternary
1201120200201012100
4
Quaternary
213311231003322
5
Quinary
2332101432001
6
Senary
150153524230
8
Octal
4765550372
10
Decimal
668389626
12
Duodecimal
167a13676
16
Hexadecimal
27d6d0fa
20
Vigesimal
a8h8e16
36
Base36
b1xwqi
md5
81c137e00317d1395421141e5cfd4753
sha1
6edcac288ce713a53e59d824b88b8c76fae2afa4
sha256
6333ff230984aa8a85a824efef48eef816e170d712b45ec8554a768d52ec3773
sha512
2029a3e999dd1d2cd71e7100629d5921956b8ba45ba443c1d7de968c37f92de0efeb42d8a8208014816e4e62c846fd7de7182f97dc0415b38b9e8862138a2b01
ripemd-160
36c200435338b4a08d894747e017c968aa7f8619
Diameter
1336779252
Circumference
4199615877.5545
Area
1.4034898428711E+18
Volume
1.2507707348953E+27
Surface area
5.6139593714846E+18
Circumference
4199615877.5545
Perimeter
2673558504
Area
446744692144419876
Diagonal
945245674.03868
Surface area
2680468152866519256
Volume
2.9859951769989E+26
Space diagonal
1157684791.484
Perimeter
2005168878
Area
1.9344612620146E+17
Altitude
578842395.74198
Surface area
1.9344612620146E+17
Volume
3.5190290637438E+25
Height
315081891.34623