642243397 is an odd 9-digits composite number following 642243396
and preceding 642243398 . In scientific notation, it is written as 6.42243397 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 642190176 positive integers (up to 642243397) that are relatively prime to 642243397.
642243397 has 4 divisors, whose sum is 642296620
The reverse of 642243397 is 793342246
Previous prime number is 18493
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred forty-two million two hundred forty-three thousand three hundred ninety-seven
Scientific notation
6.42243397 × 10^8
Engineering notation
6.42243397 × 10^6
Prime Factorization
18493 × 34729
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642243397
Product of the distinct prime numbers
The prime factorization of 642243397 is 18493 × 34729.
Since it has a total of 2 prime factors.
6 , 8 , 52 , 75 , 886 , 198 , 4331 , 8960 , 32632 , 57104 , 46647 , 815645 , 676453 , 8003726 , 95328943 , 79337955 , 527541736 , 260323327 , 3393528880 , 429315902
n×2
1284486794
n×3
1926730191
n×4
2568973588
n×5
3211216985
n÷2
321121698.5
n÷3
214081132.33333
n÷3
160560849.25
n÷5
128448679.4
n2
412476580990099609
n3
2.6491036055803E+26
n4
1.7013692986528E+35
n5
1.0926931979183E+44
2 √n
25342.521520164
3 √n
862.77962933496
4 √n
159.19334634389
5 √n
57.748396487815
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
-642243396
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 642243397 can be divided by 4 positive divisors.
The sum of these divisors (counting 642243397) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001111101101101000101
3
Ternary
1122202111100022111
4
Quaternary
212101331231011
5
Quinary
2303403242042
6
Senary
143421301021
8
Octal
4621755505
10
Decimal
642243397
12
Duodecimal
15b104771
16
Hexadecimal
2647db45
20
Vigesimal
a0e089h
36
Base36
amdi6d
md5
06929d86508853d33e00aa3ade83061c
sha1
a2c2fba2969156e6b18ae4350913110832be06fa
sha256
8fdfa0ca0a396a318dffaae0a4cf4d229d988fc1b27cdded539de1d5c72f858c
sha512
cefe036eb3fcbc0fefa3b3062e073b249a196b613bfc41b9c4cc5727bd5b0abd56e4060b091156001a9a23fe7580ce45e84a9b520b0411f127b4dc479f15624e
ripemd-160
c6c1b9f85bca080f3b85e9da760c164828e790d6
Diameter
1284486794
Circumference
4035334275.6635
Area
1.2958333966163E+18
Volume
1.1096539234519E+27
Surface area
5.1833335864653E+18
Circumference
4035334275.6635
Perimeter
2568973588
Area
412476580990099609
Diagonal
908269322.38197
Surface area
2474859485940597654
Volume
2.6491036055803E+26
Space diagonal
1112398194.4296
Perimeter
1926730191
Area
1.7860759880179E+17
Altitude
556199097.21481
Surface area
1.7860759880179E+17
Volume
3.1219985392859E+25
Height
302756440.79399