812859985 is an odd 9-digits composite number following 812859984
and preceding 812859986 . In scientific notation, it is written as 8.12859985 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 557157888 positive integers (up to 812859985) that are relatively prime to 812859985.
812859985 has 16 divisors, whose sum is 1115243136
The reverse of 812859985 is 589958218
Previous prime number is 5153
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
eight hundred twelve million eight hundred fifty-nine thousand nine hundred eighty-five
Scientific notation
8.12859985 × 10^8
Engineering notation
8.12859985 × 10^6
Prime Factorization
7 × 5 × 5153 × 4507
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
812859985
Product of the distinct prime numbers
The prime factorization of 812859985 is 7 × 5 × 5153 × 4507.
Since it has a total of 4 prime factors.
2 , 4 , 44 , 22 , 8 , 868 , 5184 , 2107 , 50128 , 30418 , 225256 , 458649 , 5747216 , 6234904 , 97726410 , 62186333 , 918963039 , 662311946 , 5733275572 , 9756716290
n×2
1625719970
n×3
2438579955
n×4
3251439940
n×5
4064299925
n÷2
406429992.5
n÷3
270953328.33333
n÷3
203214996.25
n÷5
162571997
n2
660741355214200225
n3
5.3709020808829E+26
n4
4.365791384903E+35
n5
3.5487771196454E+44
2 √n
28510.699482826
3 √n
933.26557891092
4 √n
168.85111632093
5 √n
60.534526396713
1 , 5 , 7 , 35 , 4507 , 5153 , 22535 , 25765 , 31549 , 36071 , 157745 , 180355 , 23224571 , 116122855 , 162571997 , 812859985
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
-812859984
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 812859985 can be divided by 16 positive divisors.
The sum of these divisors (counting 812859985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011100110100001001010001
3
Ternary
2002122112120021101
4
Quaternary
300130310021101
5
Quinary
3131043004420
6
Senary
212354224401
8
Octal
6034641121
10
Decimal
812859985
12
Duodecimal
1a8285101
16
Hexadecimal
30734251
20
Vigesimal
ce079j5
36
Base36
dfyes1
md5
2514abd105636acc594852c530f8601d
sha1
6eb7dcdf7a84f4b6e3118691247f0385fe054f03
sha256
df4217b191e49d3ddf003e8ddc9898bbef8b168b0ad096037079e60d23bfca7e
sha512
e17ed05973eb23a5a715160a6cbf076d23328c46aea99248ed340c89571150982463274b551dca54d0ba54c391e908d2e66d0a28e945b5e84ae0ce5cefec20bc
ripemd-160
129eabff2fe56e83055c022152b9c910900f1943
Diameter
1625719970
Circumference
5107349914.5462
Area
2.0757801874639E+18
Volume
2.2497582027269E+27
Surface area
8.3031207498556E+18
Circumference
5107349914.5462
Perimeter
3251439940
Area
660741355214200225
Diagonal
1149557615.0974
Surface area
3964448131285201350
Volume
5.3709020808829E+26
Space diagonal
1407914793.4597
Perimeter
2438579955
Area
2.8610939947323E+17
Altitude
703957396.72984
Surface area
2.8610939947323E+17
Volume
6.3296688041354E+25
Height
383185871.69913