642765345 is an odd 9-digits composite number following 642765344
and preceding 642765346 . In scientific notation, it is written as 6.42765345 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 323794944 positive integers (up to 642765345) that are relatively prime to 642765345.
642765345 has 16 divisors, whose sum is 723859200
The reverse of 642765345 is 543567246
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-two million seven hundred sixty-five thousand three hundred forty-five
Scientific notation
6.42765345 × 10^8
Engineering notation
6.42765345 × 10^6
Prime Factorization
15 × 19 × 353 × 6389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642765345
Product of the distinct prime numbers
The prime factorization of 642765345 is 15 × 19 × 353 × 6389.
Since it has a total of 4 prime factors.
8 , 6 , 11 , 33 , 968 , 915 , 9443 , 5963 , 50433 , 97424 , 850657 , 358331 , 2426509 , 1080909 , 91941255 , 46524496 , 463235567 , 614950131 , 1135403521 , 3757654828
n×2
1285530690
n×3
1928296035
n×4
2571061380
n×5
3213826725
n÷2
321382672.5
n÷3
214255115
n÷3
160691336.25
n÷5
128553069
n2
413147288732969025
n3
2.6555675957826E+26
n4
1.706906821874E+35
n5
1.0971405522447E+44
2 √n
25352.81729907
3 √n
863.01329161239
4 √n
159.22568040071
5 √n
57.757779804662
1 , 15 , 19 , 285 , 353 , 5295 , 6389 , 6707 , 95835 , 100605 , 121391 , 1820865 , 2255317 , 33829755 , 42851023 , 642765345
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642765344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642765345 can be divided by 16 positive divisors.
The sum of these divisors (counting 642765345) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010011111101001000100001
3
Ternary
1122210110212021220
4
Quaternary
212103331020201
5
Quinary
2304021442340
6
Senary
143440405253
8
Octal
4623751041
10
Decimal
642765345
12
Duodecimal
15b316829
16
Hexadecimal
264fd221
20
Vigesimal
a0h5d75
36
Base36
amoowx
md5
c2d0704372246ebd6ee22633e9e807d5
sha1
c3ecfaecf07050cc941a5dc30d781873673d80c1
sha256
e7ae87d056f6c00a2f106224c0903223957c2839150c9ae73176602569e9d8aa
sha512
3e528dea5e237ad9e1848e5e44a28e5136b077cb50f9915102f830806d7fe4ee26e5c1184e14a26ad47fd92e1468a289846d7992ef49f9b87f8547e37b5dad58
ripemd-160
442467f3e04a2f1aa194afede5f1135287638ca7
Diameter
1285530690
Circumference
4038613771.6682
Area
1.297940487134E+18
Volume
1.1123615533362E+27
Surface area
5.1917619485361E+18
Circumference
4038613771.6682
Perimeter
2571061380
Area
413147288732969025
Diagonal
909007468.32242
Surface area
2478883732397814150
Volume
2.6555675957826E+26
Space diagonal
1113302234.8845
Perimeter
1928296035
Area
1.7889802377371E+17
Altitude
556651117.44227
Surface area
1.7889802377371E+17
Volume
3.1296164247952E+25
Height
303002489.44081