839739985 is an odd 9-digits composite number following 839739984
and preceding 839739986 . In scientific notation, it is written as 8.39739985 × 10^8.
The sum of its digits is 61. It has a total of 4 prime factors and 16 positive divisors.
There are 574704000 positive integers (up to 839739985) that are relatively prime to 839739985.
839739985 has 16 divisors, whose sum is 1153878912
The reverse of 839739985 is 589937938
Previous prime number is 521
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
eight hundred thirty-nine million seven hundred thirty-nine thousand nine hundred eighty-five
Scientific notation
8.39739985 × 10^8
Engineering notation
8.39739985 × 10^6
Prime Factorization
5 × 7 × 521 × 46051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
839739985
Product of the distinct prime numbers
The prime factorization of 839739985 is 5 × 7 × 521 × 46051.
Since it has a total of 4 prime factors.
1 , 9 , 77 , 2 , 912 , 993 , 2443 , 6655 , 15765 , 7712 , 502139 , 337272 , 1655632 , 5759732 , 6411916 , 77337593 , 967785403 , 73414626 , 8700549471 , 6962454751
n×2
1679479970
n×3
2519219955
n×4
3358959940
n×5
4198699925
n÷2
419869992.5
n÷3
279913328.33333
n÷3
209934996.25
n÷5
167947997
n2
705163242407800225
n3
5.9215377060208E+26
n4
4.9725519844308E+35
n5
4.1756507288177E+44
2 √n
28978.267460288
3 √n
943.44143115928
4 √n
170.23004276651
5 √n
60.929689732009
1 , 5 , 7 , 35 , 521 , 2605 , 3647 , 18235 , 46051 , 230255 , 322357 , 1611785 , 23992571 , 119962855 , 167947997 , 839739985
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
-839739984
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 839739985 can be divided by 16 positive divisors.
The sum of these divisors (counting 839739985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010000011010110101001010001
3
Ternary
2011112010012200221
4
Quaternary
302003112221101
5
Quinary
3204433134420
6
Senary
215154313041
8
Octal
6203265121
10
Decimal
839739985
12
Duodecimal
1b5288781
16
Hexadecimal
320d6a51
20
Vigesimal
d2879j5
36
Base36
dvyjip
md5
ecd601d5c9b67814de4f91a8787449b4
sha1
5701c871dc61fdbfcefd08c2729b7251bc95549a
sha256
c4223e0119b162ebdfc2e064ca19c21e189b6905d682f3dc7706a2694e25fad5
sha512
20e4b18982ba2a09c8c58d636627b2f50ca789961799c2d062d0a1176b0c072d955eaf87f5249062d424e9ca60e30c8a7af59c94700c3da8202a1abde5a5a5db
ripemd-160
63591648b3c943f9e4cab7312773c4eb99ad90e0
Diameter
1679479970
Circumference
5276241935.6032
Area
2.2153356619299E+18
Volume
2.4804079140253E+27
Surface area
8.8613426477196E+18
Circumference
5276241935.6032
Perimeter
3358959940
Area
705163242407800225
Diagonal
1187571675.654
Surface area
4230979454446801350
Volume
5.9215377060208E+26
Space diagonal
1454472319.1671
Perimeter
2519219955
Area
3.0534464087008E+17
Altitude
727236159.58356
Surface area
3.0534464087008E+17
Volume
6.9785991116319E+25
Height
395857225.21799