65406985 is an odd 8-digits composite number following 65406984
and preceding 65406986 . In scientific notation, it is written as 6.5406985 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 44561088 positive integers (up to 65406985) that are relatively prime to 65406985.
65406985 has 16 divisors, whose sum is 90279936
The reverse of 65406985 is 58960456
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-five million four hundred six thousand nine hundred eighty-five
Scientific notation
6.5406985 × 10^7
Engineering notation
6.5406985 × 10^6
Prime Factorization
5 × 7 × 157 × 11903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65406985
Product of the distinct prime numbers
The prime factorization of 65406985 is 5 × 7 × 157 × 11903.
Since it has a total of 4 prime factors.
3 , 7 , 28 , 65 , 150 , 106 , 5282 , 1814 , 50477 , 85552 , 58677 , 232634 , 1760431 , 7064834 , 30083083 , 63388541 , 14307053 , 856926194 , 9744673356 , 7308949536
n×2
130813970
n×3
196220955
n×4
261627940
n×5
327034925
n÷2
32703492.5
n÷3
21802328.333333
n÷3
16351746.25
n÷5
13081397
n2
4278073686790225
n3
2.7981590146078E+23
n4
1.8301914469607E+31
n5
1.1970730451849E+39
2 √n
8087.4585006663
3 √n
402.90999720299
4 √n
89.930298012774
5 √n
36.569988694014
1 , 5 , 7 , 35 , 157 , 785 , 1099 , 5495 , 11903 , 59515 , 83321 , 416605 , 1868771 , 9343855 , 13081397 , 65406985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65406984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65406985 can be divided by 16 positive divisors.
The sum of these divisors (counting 65406985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111001100000100000001001
3
Ternary
11120002000111221
4
Quaternary
3321200200021
5
Quinary
113221010420
6
Senary
10253522041
8
Octal
371404011
10
Decimal
65406985
12
Duodecimal
19aa3321
16
Hexadecimal
3e60809
20
Vigesimal
108fh95
36
Base36
12xwcp
md5
f981c71fbd43405ca77c1952629decd3
sha1
da0c0fcde30247209e07e7e01ecd563b61b73e6e
sha256
37de24f0f03c13bd438a2e4063c92a5441f6a96d51e06fac0c0f649aa8014ba7
sha512
bdc617a448f5bb608cf2ad2d054c86dafbea65c50a0f63619ca6257fe975ddcba4b717e55e410f110718e5de8cf1af7b670f5c6256d36a1da8bb5620c88f72d1
ripemd-160
4157f24cac69dbca76e1368d6ac9dc5c8cc23e16
Diameter
130813970
Circumference
410964207.13892
Area
1.3439964865936E+16
Volume
1.1720901071824E+24
Surface area
5.3759859463744E+16
Circumference
410964207.13892
Perimeter
261627940
Area
4278073686790225
Diagonal
92499445.260934
Surface area
25668442120741350
Volume
2.7981590146078E+23
Space diagonal
113288221.1899
Perimeter
196220955
Area
1.852460246011E+15
Altitude
56644110.594948
Surface area
1.852460246011E+15
Volume
3.2976620234458E+22
Height
30833148.420311