812791145 is an odd 9-digits composite number following 812791144
and preceding 812791146 . In scientific notation, it is written as 8.12791145 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 639573120 positive integers (up to 812791145) that are relatively prime to 812791145.
812791145 has 8 divisors, whose sum is 991339080
The reverse of 812791145 is 541197218
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
eight hundred twelve million seven hundred ninety-one thousand one hundred forty-five
Scientific notation
8.12791145 × 10^8
Engineering notation
8.12791145 × 10^6
Prime Factorization
5 × 61 × 2664889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
812791145
Product of the distinct prime numbers
The prime factorization of 812791145 is 5 × 61 × 2664889.
Since it has a total of 3 prime factors.
9 , 5 , 75 , 70 , 162 , 491 , 4585 , 4848 , 84933 , 40347 , 924449 , 273082 , 1785161 , 118885 , 25050652 , 68074486 , 54948345 , 498035745 , 6124911535 , 4261479514
n×2
1625582290
n×3
2438373435
n×4
3251164580
n×5
4063955725
n÷2
406395572.5
n÷3
270930381.66667
n÷3
203197786.25
n÷5
162558229
n2
660629445390411025
n3
5.3695376333959E+26
n4
4.3643126411684E+35
n5
3.5472746687533E+44
2 √n
28509.492191198
3 √n
933.23923250549
4 √n
168.84754126489
5 √n
60.533501044734
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
-812791144
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 812791145 can be divided by 8 positive divisors.
The sum of these divisors (counting 812791145) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000011100100011010101101001
3
Ternary
2002122102001211202
4
Quaternary
300130203111221
5
Quinary
3131033304040
6
Senary
212352533545
8
Octal
6034432551
10
Decimal
812791145
12
Duodecimal
1a82512b5
16
Hexadecimal
30723569
20
Vigesimal
cdjihh5
36
Base36
dfwxnt
md5
c77c840dc416b5ef2b008274a7d49f59
sha1
ef1407c5a50941ca64e9444c1725d0b33eff688d
sha256
71580539a9ac656ef822181d3bb63c8f5a1a9a6fb06bf0196912715994d9fcbc
sha512
6264def08993f8281d4225ab5154a69f797995f57991a0c86192457f7e1a78ba3f3ad50b8c7040b63422e93838cead06c27ce4787c6070c94c34b92e2d858adc
ripemd-160
99b3d4784992731f30dc7329bfde8bc07ddfe352
Diameter
1625582290
Circumference
5106917380.0697
Area
2.0754286123836E+18
Volume
2.2491866643001E+27
Surface area
8.3017144495345E+18
Circumference
5106917380.0697
Perimeter
3251164580
Area
660629445390411025
Diagonal
1149460260.6358
Surface area
3963776672342466150
Volume
5.3695376333959E+26
Space diagonal
1407795559.0821
Perimeter
2438373435
Area
2.8606094109806E+17
Altitude
703897779.54104
Surface area
2.8606094109806E+17
Volume
6.328060787351E+25
Height
383153420.21192