642750668 is an even 9-digits composite number following 642750667
and preceding 642750669 . In scientific notation, it is written as 6.42750668 × 10^8.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 272736000 positive integers (up to 642750668) that are relatively prime to 642750668.
642750668 has 24 divisors, whose sum is 1298234784
The reverse of 642750668 is 866057246
Previous prime number is 101
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred forty-two million seven hundred fifty thousand six hundred sixty-eight
Scientific notation
6.42750668 × 10^8
Engineering notation
6.42750668 × 10^6
Prime Factorization
2 × 2 × 7 × 101 × 227281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
321375334
Product of the distinct prime numbers
The prime factorization of 642750668 is 2 × 2 × 7 × 101 × 227281.
Since it has a total of 5 prime factors.
8 , 9 , 3 , 5 , 870 , 125 , 6812 , 4582 , 16993 , 1384 , 69771 , 864620 , 5810250 , 3828965 , 68861346 , 29532110 , 477595962 , 916077996 , 5697056720 , 7740492618
n×2
1285501336
n×3
1928252004
n×4
2571002672
n×5
3213753340
n÷2
321375334
n÷3
214250222.66667
n÷3
160687667
n÷5
128550133.6
n2
413128421214446224
n3
2.6553856870537E+26
n4
1.7067509241514E+35
n5
1.0970152966079E+44
2 √n
25352.527842407
3 √n
863.00672283754
4 √n
159.22477144718
5 √n
57.757516032296
1 , 2 , 4 , 7 , 14 , 28 , 101 , 202 , 404 , 707 , 1414 , 2828 , 227281 , 454562 , 909124 , 1590967 , 3181934 , 6363868 , 22955381 , 45910762 , 91821524 , 160687667 , 321375334 , 642750668
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
-642750667
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 642750668 can be divided by 24 positive divisors.
The sum of these divisors (counting 642750668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110010011111001100011001100
3
Ternary
1122210110010011022
4
Quaternary
212103321203030
5
Quinary
2304021010133
6
Senary
143440213312
8
Octal
4623714314
10
Decimal
642750668
12
Duodecimal
15b30a238
16
Hexadecimal
264f98cc
20
Vigesimal
a0h3gd8
36
Base36
amodl8
md5
bdfd0f38c97f28610082c1721a424ba9
sha1
6d77eebd17fe1562afaeb1b42039fda1a6e932d6
sha256
fd4b283de1398d0a4c7074e5ac64dc05973beefffb4ecfa3887a581c9c4baef0
sha512
071333b4c6f12576dc5839b42e4a6950b504b2bd1b22322b1a21fbea7a8ce72de473f30341d95797aff6a544e5eb1880cbd8e10d3a92f20d18bf461c83780f2b
ripemd-160
b262d403528c92f9c8b32da52a8aec48b163282b
Diameter
1285501336
Circumference
4038521553.3575
Area
1.2978812130765E+18
Volume
1.1122853555861E+27
Surface area
5.1915248523058E+18
Circumference
4038521553.3575
Perimeter
2571002672
Area
413128421214446224
Diagonal
908986711.90997
Surface area
2478770527286677344
Volume
2.6553856870537E+26
Space diagonal
1113276813.5748
Perimeter
1928252004
Area
1.7888985389853E+17
Altitude
556638406.78742
Surface area
1.7888985389853E+17
Volume
3.1294020433023E+25
Height
302995570.63666