642743265 is an odd 9-digits composite number following 642743264
and preceding 642743266 . In scientific notation, it is written as 6.42743265 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 334435200 positive integers (up to 642743265) that are relatively prime to 642743265.
642743265 has 8 divisors, whose sum is 702315264
The reverse of 642743265 is 562347246
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty-two million seven hundred forty-three thousand two hundred sixty-five
Scientific notation
6.42743265 × 10^8
Engineering notation
6.42743265 × 10^6
Prime Factorization
15 × 41 × 1045111
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642743265
Product of the distinct prime numbers
The prime factorization of 642743265 is 15 × 41 × 1045111.
Since it has a total of 3 prime factors.
6 , 2 , 36 , 21 , 406 , 475 , 9427 , 9440 , 96997 , 69658 , 137019 , 399967 , 9364815 , 7683925 , 94243108 , 99692140 , 520365310 , 56842483 , 421287970 , 1655569184
n×2
1285486530
n×3
1928229795
n×4
2570973060
n×5
3213716325
n÷2
321371632.5
n÷3
214247755
n÷3
160685816.25
n÷5
128548653
n2
413118904702860225
n3
2.6552939364194E+26
n4
1.7066722942289E+35
n5
1.0969521226777E+44
2 √n
25352.381840766
3 √n
863.00340954484
4 √n
159.22431296999
5 √n
57.757382985103
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642743264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642743265 can be divided by 8 positive divisors.
The sum of these divisors (counting 642743265) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010011110111101111100001
3
Ternary
1122210102202000010
4
Quaternary
212103313233201
5
Quinary
2304020241030
6
Senary
143440115133
8
Octal
4623675741
10
Decimal
642743265
12
Duodecimal
15b305aa9
16
Hexadecimal
264f7be1
20
Vigesimal
a0h2i35
36
Base36
amo7vl
md5
1ed8a120bcdf8b72566dd87c7208ee59
sha1
ac1419d9a64c945ce5de6df127bbb59ed8ddd374
sha256
70d9a7c9ff87ddeb7b319765d8939d85a5284e131aeacc45e66cee7f0b1371d9
sha512
9407a020992ec5b61222559827f00948f985eb8a90b1cb65d7ad1f2ea9652f663d6307bf5080bd918f555f2064275b75731258df31d9ea83eb3b4869de660bb2
ripemd-160
6cbd88222cd5f5d51ebcc0af8ba9062ea4357524
Diameter
1285486530
Circumference
4038475038.9366
Area
1.2978513160736E+18
Volume
1.1122469231702E+27
Surface area
5.1914052642943E+18
Circumference
4038475038.9366
Perimeter
2570973060
Area
413118904702860225
Diagonal
908976242.48696
Surface area
2478713428217161350
Volume
2.6552939364194E+26
Space diagonal
1113263991.2027
Perimeter
1928229795
Area
1.7888573312814E+17
Altitude
556631995.60135
Surface area
1.7888573312814E+17
Volume
3.1292939141428E+25
Height
302992080.82899