642765246 is an even 9-digits composite number following 642765245
and preceding 642765247 . In scientific notation, it is written as 6.42765246 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 214255080 positive integers (up to 642765246) that are relatively prime to 642765246.
642765246 has 8 divisors, whose sum is 1285530504
The reverse of 642765246 is 642567246
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-two million seven hundred sixty-five thousand two hundred forty-six
Scientific notation
6.42765246 × 10^8
Engineering notation
6.42765246 × 10^6
Prime Factorization
2 × 3 × 107127541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642765246
Product of the distinct prime numbers
The prime factorization of 642765246 is 2 × 3 × 107127541.
Since it has a total of 3 prime factors.
9 , 5 , 72 , 44 , 310 , 858 , 9844 , 5494 , 31085 , 61199 , 385259 , 590894 , 8763984 , 2899615 , 4277853 , 28735708 , 826771834 , 825288395 , 5472386006 , 4857657315
n×2
1285530492
n×3
1928295738
n×4
2571060984
n×5
3213826230
n÷2
321382623
n÷3
214255082
n÷3
160691311.5
n÷5
128553049.2
n2
413147161465440516
n3
2.6555663687354E+26
n4
1.7069057702695E+35
n5
1.0971397073261E+44
2 √n
25352.815346624
3 √n
863.01324730471
4 √n
159.22567426965
5 √n
57.757778025468
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
-642765245
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 642765246 can be divided by 8 positive divisors.
The sum of these divisors (counting 642765246) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010011111101000110111110
3
Ternary
1122210110212011020
4
Quaternary
212103331012332
5
Quinary
2304021441441
6
Senary
143440405010
8
Octal
4623750676
10
Decimal
642765246
12
Duodecimal
15b316766
16
Hexadecimal
264fd1be
20
Vigesimal
a0h5d26
36
Base36
amoou6
md5
144ba664694516ce9ddf3eb91872822b
sha1
aff9349e2351740c1aff5332685d1a960f3fd16d
sha256
1acd43196a494dab555fddb92491a198c121a92ff26afdb40169813dae9615fc
sha512
dba8c51ee55d25d1175c4388a41194a092851f82f77469e305fc84211b0d932d8de07734bd0c91eebb3b42e4a957d24e66e1ff6b7b0fc2a45f44efb4572422fc
ripemd-160
dd0384a7238dc8a9d632a50b55c04ce2e9f0d9e1
Diameter
1285530492
Circumference
4038613149.6329
Area
1.2979400873113E+18
Volume
1.1123610393519E+27
Surface area
5.1917603492452E+18
Circumference
4038613149.6329
Perimeter
2571060984
Area
413147161465440516
Diagonal
909007328.31528
Surface area
2478882968792643096
Volume
2.6555663687354E+26
Space diagonal
1113302063.4115
Perimeter
1928295738
Area
1.7889796866525E+17
Altitude
556651031.70575
Surface area
1.7889796866525E+17
Volume
3.1296149787062E+25
Height
303002442.77176