828939985 is an odd 9-digits composite number following 828939984
and preceding 828939986 . In scientific notation, it is written as 8.28939985 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 660399360 positive integers (up to 828939985) that are relatively prime to 828939985.
828939985 has 8 divisors, whose sum is 998856936
The reverse of 828939985 is 589939828
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
eight hundred twenty-eight million nine hundred thirty-nine thousand nine hundred eighty-five
Scientific notation
8.28939985 × 10^8
Engineering notation
8.28939985 × 10^6
Prime Factorization
5 × 241 × 687917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
828939985
Product of the distinct prime numbers
The prime factorization of 828939985 is 5 × 241 × 687917.
Since it has a total of 3 prime factors.
8 , 9 , 9 , 59 , 844 , 26 , 2274 , 3854 , 86370 , 82109 , 676874 , 751047 , 5270179 , 276917 , 33914409 , 83127851 , 179123420 , 536297567 , 9264321440 , 6172075898
n×2
1657879970
n×3
2486819955
n×4
3315759940
n×5
4144699925
n÷2
414469992.5
n÷3
276313328.33333
n÷3
207234996.25
n÷5
165787997
n2
687141498731800225
n3
5.6959906365162E+26
n4
4.7216343927938E+35
n5
3.913951542738E+44
2 √n
28791.31787536
3 √n
939.379394565
4 √n
169.6800456016
5 √n
60.772152332747
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
-828939984
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 828939985 can be divided by 8 positive divisors.
The sum of these divisors (counting 828939985) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001011010001001111011010001
3
Ternary
2010202210111212221
4
Quaternary
301122021323101
5
Quinary
3144202034420
6
Senary
214131021041
8
Octal
6132117321
10
Decimal
828939985
12
Duodecimal
1b173a781
16
Hexadecimal
31689ed1
20
Vigesimal
cj0h9j5
36
Base36
dpj26p
md5
bef71dfb4f4f29bd502f1ef94fcebda6
sha1
2851093c923b8891656ecf75515826852327b22a
sha256
1930f7f020bae3a035d6ca77e307fee115b1287a4b82dbbac9f88d531afadfda
sha512
34a9f86d7fdce853865ec638a20a3886d23811ae0beb9ee6d08e4bd3f5b4016dec475afaeea1eb8d331a508277e187c2e15027983472ceac0382f54d2d930319
ripemd-160
2d14484e9a203c21a96bd2db261a181a8bf43f3f
Diameter
1657879970
Circumference
5208383534.2857
Area
2.1587186843925E+18
Volume
2.3859309784794E+27
Surface area
8.63487473757E+18
Circumference
5208383534.2857
Perimeter
3315759940
Area
687141498731800225
Diagonal
1172298169.1804
Surface area
4122848992390801350
Volume
5.6959906365162E+26
Space diagonal
1435766170.4454
Perimeter
2486819955
Area
2.9754099694813E+17
Altitude
717883085.22269
Surface area
2.9754099694813E+17
Volume
6.7127893410928E+25
Height
390766056.39345