65720809 is an odd 8-digits composite number following 65720808
and preceding 65720810 . In scientific notation, it is written as 6.5720809 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 51210600 positive integers (up to 65720809) that are relatively prime to 65720809.
65720809 has 8 divisors, whose sum is 73159200
The reverse of 65720809 is 90802756
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-five million seven hundred twenty thousand eight hundred nine
Scientific notation
6.5720809 × 10^7
Engineering notation
6.5720809 × 10^6
Prime Factorization
49 × 11 × 121931
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
65720809
Product of the distinct prime numbers
The prime factorization of 65720809 is 49 × 11 × 121931.
Since it has a total of 3 prime factors.
4 , 9 , 61 , 60 , 468 , 218 , 2263 , 9702 , 11424 , 86018 , 928614 , 483398 , 3307997 , 3034443 , 59079214 , 59158609 , 339174687 , 806705713 , 5273938290 , 8597728064
n×2
131441618
n×3
197162427
n×4
262883236
n×5
328604045
n÷2
32860404.5
n÷3
21906936.333333
n÷3
16430202.25
n÷5
13144161.8
n2
4319224735614481
n3
2.8386294387739E+23
n4
1.8655702316744E+31
n5
1.2260678487196E+39
2 √n
8106.8371761125
3 √n
403.55335937209
4 √n
90.037976299518
5 √n
36.60501424201
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
-65720808
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 65720809 can be divided by 8 positive divisors.
The sum of these divisors (counting 65720809) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111010101101000111101001
3
Ternary
11120122222000001
4
Quaternary
3322231013221
5
Quinary
113311031214
6
Senary
10304343001
8
Octal
372550751
10
Decimal
65720809
12
Duodecimal
1a014a61
16
Hexadecimal
3ead1e9
20
Vigesimal
10af209
36
Base36
134mi1
md5
2f7f5d5e71cda543380d44636559cdd8
sha1
8cf17dbfee791e0e5e9bcb1932fa87644b7f17ea
sha256
80bbd9599e7cf55a6a47bd1eec3a8a7f3c6e6727f7c7cd74a927ae2282ed33c5
sha512
ead44a218f3cd75ba08fe8e76b2d676f022146707d9387bd935564958e04fcfba5fff340d42d4ff9e322a1dac9cdfc122f99c9d7939ce0056d655876ee387191
ripemd-160
0cbf808499453a4b8c4245728ca9182347abad36
Diameter
131441618
Circumference
412936021.48476
Area
1.356924469861E+16
Volume
1.1890423188155E+24
Surface area
5.4276978794439E+16
Circumference
412936021.48476
Perimeter
262883236
Area
4319224735614481
Diagonal
92943259.417932
Surface area
25915348413686886
Volume
2.8386294387739E+23
Space diagonal
113831780.30253
Perimeter
197162427
Area
1.8702791728481E+15
Altitude
56915890.151265
Surface area
1.8702791728481E+15
Volume
3.3453568757214E+22
Height
30981086.472644