812987085 is an odd 9-digits composite number following 812987084
and preceding 812987086 . In scientific notation, it is written as 8.12987085 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 433593104 positive integers (up to 812987085) that are relatively prime to 812987085.
812987085 has 8 divisors, whose sum is 1300779360
The reverse of 812987085 is 580789218
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
eight hundred twelve million nine hundred eighty-seven thousand eighty-five
Scientific notation
8.12987085 × 10^8
Engineering notation
8.12987085 × 10^6
Prime Factorization
3 × 5 × 54199139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
812987085
Product of the distinct prime numbers
The prime factorization of 812987085 is 3 × 5 × 54199139.
Since it has a total of 3 prime factors.
9 , 4 , 43 , 26 , 401 , 429 , 2221 , 1724 , 9455 , 3571 , 640777 , 214566 , 1529503 , 8655087 , 63740599 , 60197516 , 345323762 , 74729381 , 4376496719 , 7366674467
n×2
1625974170
n×3
2438961255
n×4
3251948340
n×5
4064935425
n÷2
406493542.5
n÷3
270995695
n÷3
203246771.25
n÷5
162597417
n2
660948000376797225
n3
5.3734218816291E+26
n4
4.3685225920209E+35
n5
3.5515524478437E+44
2 √n
28512.928383454
3 √n
933.31421864198
4 √n
168.85771638706
5 √n
60.536419332096
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
-812987084
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 812987085 can be divided by 8 positive divisors.
The sum of these divisors (counting 812987085) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000011101010011001011001101
3
Ternary
2002122210000121210
4
Quaternary
300131103023031
5
Quinary
3131111041320
6
Senary
212401045033
8
Octal
6035231315
10
Decimal
812987085
12
Duodecimal
1a8326779
16
Hexadecimal
307532cd
20
Vigesimal
ce137e5
36
Base36
dg14ul
md5
4e64771bd6707d0860151bf1259727d8
sha1
083bcd6b203e812f65580bf3618a452353aa3668
sha256
1140735353c7fa96bfc505b9279d3c7141ee86b6291a6ec19b88e093b8fff45d
sha512
449eb1d2d5332f220ee5b3f2891cfd018d7d0e0289b102daad9cef19ac818175f557759e1bdd8fe1b032f65e93567352c505ff3a85366579139d0bde177b0ef2
ripemd-160
4fa496209607762a2eefba2d633b3e5437b0475d
Diameter
1625974170
Circumference
5108148507.3988
Area
2.0764293823886E+18
Volume
2.2508136943953E+27
Surface area
8.3057175295544E+18
Circumference
5108148507.3988
Perimeter
3251948340
Area
660948000376797225
Diagonal
1149737361.6412
Surface area
3965688002260783350
Volume
5.3734218816291E+26
Space diagonal
1408134937.1173
Perimeter
2438961255
Area
2.8619887945342E+17
Altitude
704067468.55866
Surface area
2.8619887945342E+17
Volume
6.3326384177935E+25
Height
383245787.21372