805212085 is an odd 9-digits composite number following 805212084
and preceding 805212086 . In scientific notation, it is written as 8.05212085 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 643907520 positive integers (up to 805212085) that are relatively prime to 805212085.
805212085 has 8 divisors, whose sum is 966647736
The reverse of 805212085 is 580212508
Previous prime number is 2557
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
eight hundred five million two hundred twelve thousand eighty-five
Scientific notation
8.05212085 × 10^8
Engineering notation
8.05212085 × 10^6
Prime Factorization
5 × 2557 × 62981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
805212085
Product of the distinct prime numbers
The prime factorization of 805212085 is 5 × 2557 × 62981.
Since it has a total of 3 prime factors.
4 , 5 , 93 , 97 , 875 , 828 , 5030 , 6369 , 71503 , 60307 , 753302 , 240109 , 4738692 , 5493029 , 7513479 , 26124846 , 259739669 , 800849473 , 262049821 , 9573456228
n×2
1610424170
n×3
2415636255
n×4
3220848340
n×5
4026060425
n÷2
402606042.5
n÷3
268404028.33333
n÷3
201303021.25
n÷5
161042417
n2
648366501830047225
n3
5.2207254278273E+26
n4
4.2037912069533E+35
n5
3.3849434826556E+44
2 √n
28376.25917911
3 √n
930.32943391326
4 √n
168.45254280987
5 √n
60.420185858467
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
-805212084
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 805212085 can be divided by 8 positive divisors.
The sum of these divisors (counting 805212085) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111111101000111110110101
3
Ternary
2002010011000022211
4
Quaternary
233333220332311
5
Quinary
3122113241320
6
Senary
211522253421
8
Octal
5777507665
10
Decimal
805212085
12
Duodecimal
1a57b7271
16
Hexadecimal
2ffe8fb5
20
Vigesimal
cbcba45
36
Base36
dbehmd
md5
f3c9c317f4651e4a06484df667a91a75
sha1
ce4801d1ebf78f242217b332c24fb542531ae322
sha256
ff52a2607891b598a69182e157eb8251bc9256ce5a3bf44206b07a832db6428f
sha512
3438293060b9827a12d5f61bbaa93301a8080fdfa8b941600b97df14739ae277f16beffe16661965e3bcdbfd90c5d01438e4054b907bc3cbff0f8c12e347c6a7
ripemd-160
5af46a2822bc9fa06cfe955e1249e23a9775658f
Diameter
1610424170
Circumference
5059296741.6354
Area
2.036903438983E+18
Volume
2.1868523533962E+27
Surface area
8.147613755932E+18
Circumference
5059296741.6354
Perimeter
3220848340
Area
648366501830047225
Diagonal
1138741851.1937
Surface area
3890199010980283350
Volume
5.2207254278273E+26
Space diagonal
1394668242.0885
Perimeter
2415636255
Area
2.8075093077384E+17
Altitude
697334121.04423
Surface area
2.8075093077384E+17
Volume
6.1526839212162E+25
Height
379580617.06457