855105985 is an odd 9-digits composite number following 855105984
and preceding 855105986 . In scientific notation, it is written as 8.55105985 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 677255040 positive integers (up to 855105985) that are relatively prime to 855105985.
855105985 has 16 divisors, whose sum is 1036425600
The reverse of 855105985 is 589501558
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
eight hundred fifty-five million one hundred five thousand nine hundred eighty-five
Scientific notation
8.55105985 × 10^8
Engineering notation
8.55105985 × 10^6
Prime Factorization
5 × 211 × 199 × 4073
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
855105985
Product of the distinct prime numbers
The prime factorization of 855105985 is 5 × 211 × 199 × 4073.
Since it has a total of 4 prime factors.
6 , 3 , 5 , 39 , 316 , 355 , 6264 , 3326 , 46416 , 25607 , 128589 , 869058 , 8833925 , 8072516 , 96681980 , 26310287 , 594512704 , 793895379 , 186097221 , 1075428750
n×2
1710211970
n×3
2565317955
n×4
3420423940
n×5
4275529925
n÷2
427552992.5
n÷3
285035328.33333
n÷3
213776496.25
n÷5
171021197
n2
731206245582820225
n3
6.2525883686725E+26
n4
5.3466257357932E+35
n5
4.5719316662318E+44
2 √n
29242.195283528
3 √n
949.16121160744
4 √n
171.00349494536
5 √n
61.151059954144
1 , 5 , 199 , 211 , 995 , 1055 , 4073 , 20365 , 41989 , 209945 , 810527 , 859403 , 4052635 , 4297015 , 171021197 , 855105985
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
-855105984
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 855105985 can be divided by 16 positive divisors.
The sum of these divisors (counting 855105985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010111101111110000111000001
3
Ternary
2012121000212220001
4
Quaternary
302331332013001
5
Quinary
3222401342420
6
Senary
220503520001
8
Octal
6275760701
10
Decimal
855105985
12
Duodecimal
1ba459001
16
Hexadecimal
32f7e1c1
20
Vigesimal
d7484j5
36
Base36
e53w01
md5
7f4caee5a6ef81aae65a8cd0a8b97dbb
sha1
35862f08ed3ec7965c35c7f953f72f31b05957c7
sha256
06945e19d18abd1d168d78380aadd7310d8bc0b19e63f2d8ee2b0b6941b04482
sha512
44818ff3a4ec0d44146a5633f8487b4d898da3256beec982a76c045743a139e315b223a7037c08236d52673093d4357e152029478af46a41a0fabeb20a2c96de
ripemd-160
dbf953f2f1890742e4784b5f3bb5f58c35ba714e
Diameter
1710211970
Circumference
5372789361.0333
Area
2.297152169382E+18
Volume
2.6190780913257E+27
Surface area
9.1886086775278E+18
Circumference
5372789361.0333
Perimeter
3420423940
Area
731206245582820225
Diagonal
1209302481.2534
Surface area
4387237473496921350
Volume
6.2525883686725E+26
Space diagonal
1481087011.8762
Perimeter
2565317955
Area
3.1662159204028E+17
Altitude
740543505.93812
Surface area
3.1662159204028E+17
Volume
7.3687460590941E+25
Height
403100827.08447