668389628 is an even 9-digits composite number following 668389627
and preceding 668389629 . In scientific notation, it is written as 6.68389628 × 10^8.
The sum of its digits is 56. It has a total of 5 prime factors and 24 positive divisors.
There are 331767360 positive integers (up to 668389628) that are relatively prime to 668389628.
668389628 has 24 divisors, whose sum is 1178210880
The reverse of 668389628 is 826983866
Previous prime number is 1693
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred sixty-eight million three hundred eighty-nine thousand six hundred twenty-eight
Scientific notation
6.68389628 × 10^8
Engineering notation
6.68389628 × 10^6
Prime Factorization
2 × 2 × 229 × 1693 × 431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
334194814
Product of the distinct prime numbers
The prime factorization of 668389628 is 2 × 2 × 229 × 1693 × 431.
Since it has a total of 5 prime factors.
8 , 9 , 63 , 54 , 434 , 242 , 4515 , 8652 , 80787 , 20601 , 95881 , 484449 , 3092253 , 4250704 , 88168964 , 37401200 , 940966300 , 543014153 , 698028603 , 7170262618
n×2
1336779256
n×3
2005168884
n×4
2673558512
n×5
3341948140
n÷2
334194814
n÷3
222796542.66667
n÷3
167097407
n÷5
133677925.6
n2
446744694817978384
n3
2.9859952038036E+26
n4
1.9958082234801E+35
n5
1.3339775160512E+44
2 √n
25853.2324478
3 √n
874.3323900199
4 √n
160.78940402838
5 √n
58.211117997733
1 , 2 , 4 , 229 , 431 , 458 , 862 , 916 , 1693 , 1724 , 3386 , 6772 , 98699 , 197398 , 387697 , 394796 , 729683 , 775394 , 1459366 , 1550788 , 2918732 , 167097407 , 334194814 , 668389628
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668389627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668389628 can be divided by 24 positive divisors.
The sum of these divisors (counting 668389628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111110101101101000011111100
3
Ternary
1201120200201012102
4
Quaternary
213311231003330
5
Quinary
2332101432003
6
Senary
150153524232
8
Octal
4765550374
10
Decimal
668389628
12
Duodecimal
167a13678
16
Hexadecimal
27d6d0fc
20
Vigesimal
a8h8e18
36
Base36
b1xwqk
md5
41796a356a384f188cdad6f1529a7b7e
sha1
055ba56aca0dcae8c1b944255f19470d89f3ba0f
sha256
a173830ceba237294b7fbefa7317e9fb88f079c0003a171d881db07e9bdc4192
sha512
55469330799354e1c40250759540b7cf0ba1f6e7c01a1851bc1f7a0de04ae1192b591c83be73272aebc4d0a7ac48dd65f541396bbd8b8698a3c3d8b86675752c
ripemd-160
ba15396b79fffde2af8016047f34e82bbb63b35f
Diameter
1336779256
Circumference
4199615890.1208
Area
1.4034898512704E+18
Volume
1.2507707461232E+27
Surface area
5.6139594050815E+18
Circumference
4199615890.1208
Perimeter
2673558512
Area
446744694817978384
Diagonal
945245676.86711
Surface area
2680468168907870304
Volume
2.9859952038036E+26
Space diagonal
1157684794.9481
Perimeter
2005168884
Area
1.9344612735915E+17
Altitude
578842397.47403
Surface area
1.9344612735915E+17
Volume
3.5190290953334E+25
Height
315081892.28904