643485709 is an odd 9-digits composite number following 643485708
and preceding 643485710 . In scientific notation, it is written as 6.43485709 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 634422460 positive integers (up to 643485709) that are relatively prime to 643485709.
643485709 has 4 divisors, whose sum is 652548960
The reverse of 643485709 is 907584346
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred forty-three million four hundred eighty-five thousand seven hundred nine
Scientific notation
6.43485709 × 10^8
Engineering notation
6.43485709 × 10^6
Prime Factorization
71 × 9063179
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
643485709
Product of the distinct prime numbers
The prime factorization of 643485709 is 71 × 9063179.
Since it has a total of 2 prime factors.
5 , 4 , 83 , 74 , 516 , 17 , 1717 , 9042 , 25333 , 68847 , 700892 , 87819 , 3290780 , 2258317 , 80587266 , 10205690 , 608578299 , 179562410 , 7495563053 , 9187726044
n×2
1286971418
n×3
1930457127
n×4
2573942836
n×5
3217428545
n÷2
321742854.5
n÷3
214495236.33333
n÷3
160871427.25
n÷5
128697141.8
n2
414073857687232681
n3
2.6645060989223E+26
n4
1.7145715961999E+35
n5
1.1033023192119E+44
2 √n
25367.020104853
3 √n
863.33557179876
4 √n
159.27027376398
5 √n
57.770720137022
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
-643485708
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 643485709 can be divided by 4 positive divisors.
The sum of these divisors (counting 643485709) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010110101101000000001101
3
Ternary
1122211211110110001
4
Quaternary
212112231000031
5
Quinary
2304213020314
6
Senary
143504044301
8
Octal
4626550015
10
Decimal
643485709
12
Duodecimal
15b603691
16
Hexadecimal
265ad00d
20
Vigesimal
a11fe59
36
Base36
an44r1
md5
84b90d63f6c144a54368e3490fa2f83c
sha1
889249d37d31c676feaf1699d1208e426aec2433
sha256
32f5f0c7a5f27b168ae7d47b016798de82bb85bd95504042415c9e573d68b138
sha512
1846d0a9cdd8a5d21188dba7d35be5c03ffb6037f72c72b4d4533f651b8dce177e66f367c6cc4ba2e64813c1d30d21d892d3786c97b44b26847624f53b0b81a3
ripemd-160
55670d15eba86e83f654baab347c236b190cd084
Diameter
1286971418
Circumference
4043139952.1688
Area
1.3008513893538E+18
Volume
1.1161057047759E+27
Surface area
5.2034055574152E+18
Circumference
4043139952.1688
Perimeter
2573942836
Area
414073857687232681
Diagonal
910026216.86107
Surface area
2484443146123396086
Volume
2.6645060989223E+26
Space diagonal
1114549941.9325
Perimeter
1930457127
Area
1.7929923990008E+17
Altitude
557274970.96624
Surface area
1.7929923990008E+17
Volume
3.1401505517682E+25
Height
303342072.28702