642243394 is an even 9-digits composite number following 642243393
and preceding 642243395 . In scientific notation, it is written as 6.42243394 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 295607952 positive integers (up to 642243394) that are relatively prime to 642243394.
642243394 has 16 divisors, whose sum is 1040312448
The reverse of 642243394 is 493342246
Previous prime number is 367
Is Prime? no Number parity even Number length 9 Sum of Digits 37 Digital Root 1
Name
six hundred forty-two million two hundred forty-three thousand three hundred ninety-four
Scientific notation
6.42243394 × 10^8
Engineering notation
6.42243394 × 10^6
Prime Factorization
2 × 13 × 367 × 67307
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
642243394 Product of the distinct prime numbers
The prime factorization of 642243394 is 2 × 13 × 367 × 67307.
Since it has a total of 4 prime factors.
5 , 1 , 54 , 56 , 837 , 200 , 4799 , 7874 , 62821 , 1005 , 596529 , 324119 , 62191 , 2317095 , 39159220 , 93262502 , 641447707 , 47035384 , 6115630410 , 9209835097
n×2
1284486788
n×3
1926730182
n×4
2568973576
n×5
3211216970
n÷2
321121697
n÷3
214081131.33333
n÷3
160560848.5
n÷5
128448678.8
n2
412476577136639236
n3
2.6491035684574E+26
n4
1.7013692668636E+35
n5
1.0926931723978E+44
2 √n25342.521460975
3 √n862.77962799157
4 √n159.19334615798
5 √n57.748396433865
1 , 2 , 13 , 26 , 367 , 734 , 4771 , 9542 , 67307 , 134614 , 874991 , 1749982 , 24701669 , 49403338 , 321121697 , 642243394
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
-642243393 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 642243394 can be divided by 16 positive divisors.
The sum of these divisors (counting 642243394) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001111101101101000010
3
Ternary
1122202111100022101
4
Quaternary
212101331231002
5
Quinary
2303403242034
6
Senary
143421301014
8
Octal
4621755502
10
Decimal
642243394
12
Duodecimal
15b10476a
16
Hexadecimal
2647db42
20
Vigesimal
a0e089e
36
Base36
amdi6a
md5
080c6a54671cdd9c622900773fbe8302
sha1
455115865586ba11b409de49f2b928b0d8b44a7f
sha256
b46d36b5c8dab6e51d7bbb517ece35ec36abbf4173b85db21f935d62593582df
sha512
8f92511816c0387e1642152594cba1f919ccb1e6e182cb809291c15a150068aedbf1ce1730ea1544b0296a1f5e1ceae1e9a57aa67773347bbe2f2770a7bea548
ripemd-160
ae07dcb4f25b7b6c4acccac7acaccec2b8f4b48b
Diameter
1284486788
Circumference
4035334256.814
Area
1.2958333845103E+18
Volume
1.1096539079019E+27
Surface area
5.1833335380413E+18
Circumference
4035334256.814
Perimeter
2568973576
Area
412476577136639236
Diagonal
908269318.13933
Surface area
2474859462819835416
Volume
2.6491035684574E+26
Space diagonal
1112398189.2335
Perimeter
1926730182
Area
1.7860759713319E+17
Altitude
556199094.61674
Surface area
1.7860759713319E+17
Volume
3.1219984955362E+25
Height
302756439.37978