643670993 is an odd 9-digits composite number following 643670992
and preceding 643670994 . In scientific notation, it is written as 6.43670993 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 551717988 positive integers (up to 643670993) that are relatively prime to 643670993.
643670993 has 4 divisors, whose sum is 735624000
The reverse of 643670993 is 399076346
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred forty-three million six hundred seventy thousand nine hundred ninety-three
Scientific notation
6.43670993 × 10^8
Engineering notation
6.43670993 × 10^6
Prime Factorization
7 × 91952999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
643670993
Product of the distinct prime numbers
The prime factorization of 643670993 is 7 × 91952999.
Since it has a total of 2 prime factors.
3 , 7 , 44 , 26 , 730 , 520 , 196 , 5771 , 50246 , 6115 , 852080 , 808942 , 1491837 , 8552840 , 41661700 , 51158100 , 18107757 , 555784124 , 216866351 , 8925296139
n×2
1287341986
n×3
1931012979
n×4
2574683972
n×5
3218354965
n÷2
321835496.5
n÷3
214556997.66667
n÷3
160917748.25
n÷5
128734198.6
n2
414312347229606049
n3
2.6668083995344E+26
n4
1.7165472106691E+35
n5
1.1048916476227E+44
2 √n
25370.671906751
3 √n
863.41842622492
4 √n
159.28173751799
5 √n
57.774046631251
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-643670992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 643670993 can be divided by 4 positive divisors.
The sum of these divisors (counting 643670993) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010111011010001111010001
3
Ternary
1122212011212121102
4
Quaternary
212113122033101
5
Quinary
2304234432433
6
Senary
143512034145
8
Octal
4627321721
10
Decimal
643670993
12
Duodecimal
15b692955
16
Hexadecimal
265da3d1
20
Vigesimal
a12ih9d
36
Base36
an83pt
md5
d1d2f54b6a07842c7b24086c0328eaf4
sha1
f96f67a49d9e961898bca6147c3ab5e9cdb244bf
sha256
db35bf12b4e7aa287fd5601845782df134806e476f3e278b8f9b59e42f9ceff8
sha512
d42d8c39bacf77ca6c831ada9e7528b6b0d8d898e3b1cb03e38dc78652e825a577811c9c0846b6cc259c060cfd14b81aac1e803036463a06e182626dcf5aea3a
ripemd-160
208a13f9788c467c13dd9c75524720a7a4d0657c
Diameter
1287341986
Circumference
4044304125.8753
Area
1.3016006263481E+18
Volume
1.1170700902012E+27
Surface area
5.2064025053923E+18
Circumference
4044304125.8753
Perimeter
2574683972
Area
414312347229606049
Diagonal
910288248.00676
Surface area
2485874083377636294
Volume
2.6668083995344E+26
Space diagonal
1114870863.2343
Perimeter
1931012979
Area
1.794025089012E+17
Altitude
557435431.61716
Surface area
1.794025089012E+17
Volume
3.14286383906E+25
Height
303429416.00225