642243395 is an odd 9-digits composite number following 642243394
and preceding 642243396 . In scientific notation, it is written as 6.42243395 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 513794712 positive integers (up to 642243395) that are relatively prime to 642243395.
642243395 has 4 divisors, whose sum is 770692080
The reverse of 642243395 is 593342246
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty-two million two hundred forty-three thousand three hundred ninety-five
Scientific notation
6.42243395 × 10^8
Engineering notation
6.42243395 × 10^6
Prime Factorization
5 × 128448679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642243395
Product of the distinct prime numbers
The prime factorization of 642243395 is 5 × 128448679.
Since it has a total of 2 prime factors.
10 , 10 , 88 , 10 , 864 , 241 , 3900 , 1103 , 20764 , 50590 , 719460 , 953509 , 9825872 , 9069142 , 88308292 , 78864520 , 157276750 , 555298877 , 4349302344 , 5764679348
n×2
1284486790
n×3
1926730185
n×4
2568973580
n×5
3211216975
n÷2
321121697.5
n÷3
214081131.66667
n÷3
160560848.75
n÷5
128448679
n2
412476578421126025
n3
2.6491035808317E+26
n4
1.70136927746E+35
n5
1.0926931809046E+44
2 √n
25342.521480705
3 √n
862.77962843937
4 √n
159.19334621995
5 √n
57.748396451848
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642243394
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642243395 can be divided by 4 positive divisors.
The sum of these divisors (counting 642243395) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001111101101101000011
3
Ternary
1122202111100022102
4
Quaternary
212101331231003
5
Quinary
2303403242040
6
Senary
143421301015
8
Octal
4621755503
10
Decimal
642243395
12
Duodecimal
15b10476b
16
Hexadecimal
2647db43
20
Vigesimal
a0e089f
36
Base36
amdi6b
md5
ebf403edc6ca39464e8fb554b1a5be57
sha1
2d525a772107f010b51756fd77601837d1aaeed6
sha256
04eb816d77d13c6406c7f58d7a26429f614abeec8e03b1edddd86460f4d660eb
sha512
f1a9b5cd9092aab3faa5a12cbe303e8a139357436f05a9047a912cd8a07f9933cdcf33763c18bf0c0860e3b30d3fa4b0047523d03fbe9710c8ccc17e57b140ea
ripemd-160
ba0b8884395c3b24a227a2d4c53d2c74d0f39f4d
Diameter
1284486790
Circumference
4035334263.0971
Area
1.2958333885457E+18
Volume
1.1096539130852E+27
Surface area
5.1833335541827E+18
Circumference
4035334263.0971
Perimeter
2568973580
Area
412476578421126025
Diagonal
908269319.55354
Surface area
2474859470526756150
Volume
2.6491035808317E+26
Space diagonal
1112398190.9655
Perimeter
1926730185
Area
1.7860759768939E+17
Altitude
556199095.48276
Surface area
1.7860759768939E+17
Volume
3.1219985101194E+25
Height
302756439.85118