806985 is an odd 6-digits composite number following 806984
and preceding 806986 . In scientific notation, it is written as 8.06985 × 10^5.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 423072 positive integers (up to 806985) that are relatively prime to 806985.
806985 has 16 divisors, whose sum is 1094400
The reverse of 806985 is 589608
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 36
Digital Root 9
Name
eight hundred six thousand nine hundred eighty-five
Scientific notation
8.06985 × 10^5
Engineering notation
8.06985 × 10^3
Prime Factorization
9 × 5 × 79 × 227
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
806985
Product of the distinct prime numbers
The prime factorization of 806985 is 9 × 5 × 79 × 227.
Since it has a total of 4 prime factors.
3 , 4 , 96 , 9 , 996 , 611 , 8423 , 8954 , 87844 , 28173 , 279607 , 38157 , 5898740 , 7823575 , 68199038 , 99303450 , 30887299 , 375426625 , 4803653378 , 3286128477
n×2
1613970
n×3
2420955
n×4
3227940
n×5
4034925
n÷2
403492.5
n÷3
268995
n÷3
201746.25
n÷5
161397
n2
651224790225
n3
525528637339721625
n4
4.240937274036E+23
n5
3.4223727660879E+29
2 √n
898.3234384118
3 √n
93.101173280582
4 √n
29.972044281493
5 √n
15.183541906787
1 , 5 , 9 , 45 , 79 , 227 , 395 , 711 , 1135 , 2043 , 3555 , 10215 , 17933 , 89665 , 161397 , 806985
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
-806984
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 806985 can be divided by 16 positive divisors.
The sum of these divisors (counting 806985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000101000001001001
3
Ternary
1111222222100
4
Quaternary
3011001021
5
Quinary
201310420
6
Senary
25144013
8
Octal
3050111
10
Decimal
806985
12
Duodecimal
32b009
16
Hexadecimal
c5049
20
Vigesimal
50h95
36
Base36
hao9
md5
8158d8d8b548a51db3ea0a9d5cec6805
sha1
b2a6c8ab6cb379f7823e12da2796644989c0a534
sha256
4859ad7999aa476bc26d0062422574dec64e814faa4236809e25eb78830acabe
sha512
6412972ba270d319aad42e5d0c1f18e01185d534227ccbf51f92f77f7db671013bbfd14e7aed6fb5720a711f0558eca0b35d630fdf3fa97e839218108aff2106
ripemd-160
63e8bccac8c54c730ecfe7a225261cc1104d10d5
Diameter
1613970
Circumference
5070436.2951143
Area
2045883016806.4
Volume
2.2013292084234E+18
Surface area
8183532067225.7
Circumference
5070436.2951143
Perimeter
3227940
Area
651224790225
Diagonal
1141249.1316317
Surface area
3907348741350
Volume
525528637339721625
Space diagonal
1397739.020946
Perimeter
2420955
Area
281988605954.52
Altitude
698869.51047299
Surface area
281988605954.52
Volume
6.1934143861774E+16
Height
380416.37721055