642968266 is an even 9-digits composite number following 642968265
and preceding 642968267 . In scientific notation, it is written as 6.42968266 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 305892400 positive integers (up to 642968266) that are relatively prime to 642968266.
642968266 has 16 divisors, whose sum is 1011667968
The reverse of 642968266 is 662869246
Previous prime number is 191
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred forty-two million nine hundred sixty-eight thousand two hundred sixty-six
Scientific notation
6.42968266 × 10^8
Engineering notation
6.42968266 × 10^6
Prime Factorization
2 × 23 × 191 × 73181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642968266
Product of the distinct prime numbers
The prime factorization of 642968266 is 2 × 23 × 191 × 73181.
Since it has a total of 4 prime factors.
6 , 6 , 93 , 80 , 409 , 635 , 306 , 2077 , 87135 , 37605 , 720555 , 626994 , 9363455 , 7794678 , 6394952 , 90250965 , 597258690 , 759123076 , 3429435871 , 6574658283
n×2
1285936532
n×3
1928904798
n×4
2571873064
n×5
3214841330
n÷2
321484133
n÷3
214322755.33333
n÷3
160742066.5
n÷5
128593653.2
n2
413408191083046756
n3
2.6580834777086E+26
n4
1.7090633245456E+35
n5
1.0988734822673E+44
2 √n
25356.818925094
3 √n
863.10409981371
4 √n
159.23824579885
5 √n
57.761426170096
1 , 2 , 23 , 46 , 191 , 382 , 4393 , 8786 , 73181 , 146362 , 1683163 , 3366326 , 13977571 , 27955142 , 321484133 , 642968266
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
-642968265
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 642968266 can be divided by 16 positive divisors.
The sum of these divisors (counting 642968266) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010100101110101011001010
3
Ternary
1122210212011122111
4
Quaternary
212110232223022
5
Quinary
2304044441031
6
Senary
143445012534
8
Octal
4624565312
10
Decimal
642968266
12
Duodecimal
15b3b414a
16
Hexadecimal
2652eaca
20
Vigesimal
a0ib0d6
36
Base36
amt1hm
md5
35a1324165231a0c36181b1c1e10d5b4
sha1
65f3f6e93125e810cac1de2aee23acacb21e0a31
sha256
e386483ce2176e649f215e79942a1edfc07b28e8273f467e52bc30ee2fda331c
sha512
e6309a7be8c599378e6b3fb80be324f62e709d832eff979c2c28ad6b1713df6959f5cec645d83cad3976ff5771c0d004fe1d3bd149b80bddad19b0ee95b41d4f
ripemd-160
2ea66390a68397ce9cd1871f75174043300660d5
Diameter
1285936532
Circumference
4039888761.9139
Area
1.2987601360403E+18
Volume
1.113415403493E+27
Surface area
5.1950405441614E+18
Circumference
4039888761.9139
Perimeter
2571873064
Area
413408191083046756
Diagonal
909294441.95271
Surface area
2480449146498280536
Volume
2.6580834777086E+26
Space diagonal
1113653704.3665
Perimeter
1928904798
Area
1.7901099780524E+17
Altitude
556826852.18323
Surface area
1.7901099780524E+17
Volume
3.1325814200795E+25
Height
303098147.31757