642746345 is an odd 9-digits composite number following 642746344
and preceding 642746346 . In scientific notation, it is written as 6.42746345 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 487134000 positive integers (up to 642746345) that are relatively prime to 642746345.
642746345 has 8 divisors, whose sum is 811890240
The reverse of 642746345 is 543647246
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred forty-two million seven hundred forty-six thousand three hundred forty-five
Scientific notation
6.42746345 × 10^8
Engineering notation
6.42746345 × 10^6
Prime Factorization
5 × 19 × 6765751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642746345
Product of the distinct prime numbers
The prime factorization of 642746345 is 5 × 19 × 6765751.
Since it has a total of 3 prime factors.
5 , 10 , 24 , 39 , 258 , 36 , 2727 , 1064 , 54408 , 30309 , 514130 , 40652 , 163191 , 9769476 , 90551989 , 63213289 , 738934705 , 575672259 , 7982876993 , 8899050771
n×2
1285492690
n×3
1928239035
n×4
2570985380
n×5
3213731725
n÷2
321373172.5
n÷3
214248781.66667
n÷3
160686586.25
n÷5
128549269
n2
413122864010859025
n3
2.6553321087891E+26
n4
1.7067050076853E+35
n5
1.096978405683E+44
2 √n
25352.442584493
3 √n
863.00478803524
4 √n
159.22450371878
5 √n
57.757438339211
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
-642746344
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 642746345 can be divided by 8 positive divisors.
The sum of these divisors (counting 642746345) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010011111000011111101001
3
Ternary
1122210102220020012
4
Quaternary
212103320133221
5
Quinary
2304020340340
6
Senary
143440141305
8
Octal
4623703751
10
Decimal
642746345
12
Duodecimal
15b307835
16
Hexadecimal
264f87e9
20
Vigesimal
a0h35h5
36
Base36
amoa95
md5
a653ae9c6785b0548a930ca36ac5de4d
sha1
5fe325abae22f906908ad67962e97d1da217538a
sha256
b0bb9fb28ade84bb6069f008f4281e81aa6e4530cb1087e9abf222e84e7dd5b7
sha512
3e57caba39ca4f00aecc31adf6e4eac5b0ce79ce857fef257a1a1227da894d1bf230aa3366138c839b15c006878e51836457270765a37f2127d67f4c87be17c8
ripemd-160
58dc72221973122f959da1085bbda40cdf2cb898
Diameter
1285492690
Circumference
4038494391.1474
Area
1.2978637546065E+18
Volume
1.1122629127751E+27
Surface area
5.191455018426E+18
Circumference
4038494391.1474
Perimeter
2570985380
Area
413122864010859025
Diagonal
908980598.26474
Surface area
2478737184065154150
Volume
2.6553321087891E+26
Space diagonal
1113269325.9192
Perimeter
1928239035
Area
1.7888744755879E+17
Altitude
556634662.9596
Surface area
1.7888744755879E+17
Volume
3.1293389007119E+25
Height
302993532.75491