643670345 is an odd 9-digits composite number following 643670344
and preceding 643670346 . In scientific notation, it is written as 6.43670345 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 514936272 positive integers (up to 643670345) that are relatively prime to 643670345.
643670345 has 4 divisors, whose sum is 772404420
The reverse of 643670345 is 543076346
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty-three million six hundred seventy thousand three hundred forty-five
Scientific notation
6.43670345 × 10^8
Engineering notation
6.43670345 × 10^6
Prime Factorization
5 × 128734069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
643670345
Product of the distinct prime numbers
The prime factorization of 643670345 is 5 × 128734069.
Since it has a total of 2 prime factors.
7 , 6 , 60 , 82 , 195 , 857 , 6324 , 5752 , 94598 , 25755 , 288061 , 451348 , 602099 , 5394701 , 33306882 , 23019651 , 892858608 , 679925094 , 6100890553 , 5427805334
n×2
1287340690
n×3
1931011035
n×4
2574681380
n×5
3218351725
n÷2
321835172.5
n÷3
214556781.66667
n÷3
160917586.25
n÷5
128734069
n2
414311513032419025
n3
2.6668003453105E+26
n4
1.7165402983121E+35
n5
1.104886086021E+44
2 √n
25370.659136097
3 √n
863.41813648304
4 √n
159.28169742973
5 √n
57.774034998725
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
-643670344
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 643670345 can be divided by 4 positive divisors.
The sum of these divisors (counting 643670345) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010111011010000101001001
3
Ternary
1122212011211201102
4
Quaternary
212113122011021
5
Quinary
2304234422340
6
Senary
143512031145
8
Octal
4627320511
10
Decimal
643670345
12
Duodecimal
15b6924b5
16
Hexadecimal
265da149
20
Vigesimal
a12ifh5
36
Base36
an837t
md5
e9a4becd086be41093351c480271abe9
sha1
8d5fb97504e13e13236e82a67cdbf260b175ba55
sha256
979f12ce04367dbd314de52cd059851419d80aeb3e01ba2fffd8a61aa53db05c
sha512
6d57fd8e951d1b014548ce38c680570309a68b6e1e0f66404b0b8084e3ce1784b1a9240b76733c1f4d616b088c21b2e1f2d29144c42ad83dce2eb15a4b2ee828
ripemd-160
8f2bc4de11db4b4640bc91bc7cef7e9039b30033
Diameter
1287340690
Circumference
4044300054.3712
Area
1.3015980056403E+18
Volume
1.1170667164558E+27
Surface area
5.2063920225613E+18
Circumference
4044300054.3712
Perimeter
2574681380
Area
414311513032419025
Diagonal
910287331.59637
Surface area
2485869078194514150
Volume
2.6668003453105E+26
Space diagonal
1114869740.8654
Perimeter
1931011035
Area
1.7940214768322E+17
Altitude
557434870.43269
Surface area
1.7940214768322E+17
Volume
3.1428543470661E+25
Height
303429110.53212