642765212 is an even 9-digits composite number following 642765211
and preceding 642765213 . In scientific notation, it is written as 6.42765212 × 10^8.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 301449600 positive integers (up to 642765212) that are relatively prime to 642765212.
642765212 has 24 divisors, whose sum is 1195778640
The reverse of 642765212 is 212567246
Previous prime number is 101
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
six hundred forty-two million seven hundred sixty-five thousand two hundred twelve
Scientific notation
6.42765212 × 10^8
Engineering notation
6.42765212 × 10^6
Prime Factorization
2 × 2 × 19 × 101 × 83737
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
321382606
Product of the distinct prime numbers
The prime factorization of 642765212 is 2 × 2 × 19 × 101 × 83737.
Since it has a total of 5 prime factors.
5 , 7 , 57 , 77 , 388 , 842 , 1002 , 6752 , 58794 , 89832 , 418187 , 167105 , 1134700 , 7003185 , 96851173 , 37738383 , 404275152 , 251143396 , 9031500085 , 7259620995
n×2
1285530424
n×3
1928295636
n×4
2571060848
n×5
3213826060
n÷2
321382606
n÷3
214255070.66667
n÷3
160691303
n÷5
128553042.4
n2
413147117757404944
n3
2.6555659473253E+26
n4
1.7069054091125E+35
n5
1.0971394171521E+44
2 √n
25352.814676087
3 √n
863.01323208793
4 √n
159.22567216403
5 √n
57.757777414432
1 , 2 , 4 , 19 , 38 , 76 , 101 , 202 , 404 , 1919 , 3838 , 7676 , 83737 , 167474 , 334948 , 1591003 , 3182006 , 6364012 , 8457437 , 16914874 , 33829748 , 160691303 , 321382606 , 642765212
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642765211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642765212 can be divided by 24 positive divisors.
The sum of these divisors (counting 642765212) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110010011111101000110011100
3
Ternary
1122210110212002222
4
Quaternary
212103331012130
5
Quinary
2304021441322
6
Senary
143440404512
8
Octal
4623750634
10
Decimal
642765212
12
Duodecimal
15b316738
16
Hexadecimal
264fd19c
20
Vigesimal
a0h5d0c
36
Base36
amoot8
md5
270bae387643a98eb7bc9e1b4a3d17ac
sha1
f2f491e4ae1020cddc077feeb3ed870e50afd527
sha256
b8db44aa347070b2d1f040c28dcb0e2733915192e3db42beba5b5c2bf30e4aa6
sha512
4011a5c50c7968bb9bfa5c5a3a203b47135a6ab9ad4c171c038ef551c362c537fa89f30cc4b7b0c1e09f436da88654950e9e9ba356650c944b66d42a403e95ee
ripemd-160
ce36a064a75a4e8214d569249a42c741e974d96b
Diameter
1285530424
Circumference
4038612936.0046
Area
1.2979399499985E+18
Volume
1.112360862832E+27
Surface area
5.1917597999938E+18
Circumference
4038612936.0046
Perimeter
2571060848
Area
413147117757404944
Diagonal
909007280.23202
Surface area
2478882706544429664
Volume
2.6555659473253E+26
Space diagonal
1113302004.5218
Perimeter
1928295636
Area
1.7889794973912E+17
Altitude
556651002.26089
Surface area
1.7889794973912E+17
Volume
3.1296144820696E+25
Height
303002426.74401