642765248 is an even 9-digits composite number following 642765247
and preceding 642765249 . In scientific notation, it is written as 6.42765248 × 10^8.
The sum of its digits is 44. It has a total of 8 prime factors and 28 positive divisors.
There are 321073920 positive integers (up to 642765248) that are relatively prime to 642765248.
642765248 has 28 divisors, whose sum is 1276712712
The reverse of 642765248 is 842567246
Previous prime number is 1187
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred forty-two million seven hundred sixty-five thousand two hundred forty-eight
Scientific notation
6.42765248 × 10^8
Engineering notation
6.42765248 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 1187 × 8461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
20086414
Product of the distinct prime numbers
The prime factorization of 642765248 is 2 × 2 × 2 × 2 × 2 × 2 × 1187 × 8461.
Since it has a total of 8 prime factors.
5 , 2 , 66 , 4 , 944 , 702 , 6225 , 85 , 88637 , 83524 , 499742 , 452161 , 5489241 , 342504 , 34542441 , 30274318 , 265086910 , 80801291 , 4113553388 , 8666359693
n×2
1285530496
n×3
1928295744
n×4
2571060992
n×5
3213826240
n÷2
321382624
n÷3
214255082.66667
n÷3
160691312
n÷5
128553049.6
n2
413147164036501504
n3
2.6555663935242E+26
n4
1.706905791514E+35
n5
1.0971397243952E+44
2 √n
25352.815386067
3 √n
863.01324819982
4 √n
159.22567439351
5 √n
57.757778061411
1 , 2 , 4 , 8 , 16 , 32 , 64 , 1187 , 2374 , 4748 , 8461 , 9496 , 16922 , 18992 , 33844 , 37984 , 67688 , 75968 , 135376 , 270752 , 541504 , 10043207 , 20086414 , 40172828 , 80345656 , 160691312 , 321382624 , 642765248
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642765247
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642765248 can be divided by 28 positive divisors.
The sum of these divisors (counting 642765248) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100110010011111101000111000000
3
Ternary
1122210110212011022
4
Quaternary
212103331013000
5
Quinary
2304021441443
6
Senary
143440405012
8
Octal
4623750700
10
Decimal
642765248
12
Duodecimal
15b316768
16
Hexadecimal
264fd1c0
20
Vigesimal
a0h5d28
36
Base36
amoou8
md5
a2d1bb5f9c381c01299a9b15730fc446
sha1
2deaa906b2f9acbcbdbdc3bf1a526bf8b47dfce2
sha256
ced5c8a9b233a626fa64e215e0e69b222340d7922fb3a537d31668bbda20abc9
sha512
66639d526ebbac271fee0cd89e8add44c24177a2bb773110beeb0cdb994e802e95f4ac3e3dc7a812b4ae9cd8f12dfb6120ab1d256ecb3d53fca11e65fd5c22c5
ripemd-160
50f683f451596b37ff954a56279f7ea4e6c4e6cb
Diameter
1285530496
Circumference
4038613162.1992
Area
1.2979400953885E+18
Volume
1.1123610497354E+27
Surface area
5.1917603815541E+18
Circumference
4038613162.1992
Perimeter
2571060992
Area
413147164036501504
Diagonal
909007331.14371
Surface area
2478882984219009024
Volume
2.6555663935242E+26
Space diagonal
1113302066.8756
Perimeter
1928295744
Area
1.7889796977855E+17
Altitude
556651033.4378
Surface area
1.7889796977855E+17
Volume
3.1296150079201E+25
Height
303002443.71457