812839945 is an odd 9-digits composite number following 812839944
and preceding 812839946 . In scientific notation, it is written as 8.12839945 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 633608640 positive integers (up to 812839945) that are relatively prime to 812839945.
812839945 has 16 divisors, whose sum is 1000703808
The reverse of 812839945 is 549938218
Previous prime number is 107
Is Prime? no Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
eight hundred twelve million eight hundred thirty-nine thousand nine hundred forty-five
Scientific notation
8.12839945 × 10^8
Engineering notation
8.12839945 × 10^6
Prime Factorization
5 × 61 × 107 × 24907
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
812839945 Product of the distinct prime numbers
The prime factorization of 812839945 is 5 × 61 × 107 × 24907.
Since it has a total of 4 prime factors.
7 , 4 , 27 , 8 , 223 , 933 , 4312 , 491 , 33796 , 98485 , 397646 , 913722 , 9709778 , 3944189 , 97407713 , 50489264 , 477577282 , 504053500 , 8447895172 , 7623903162
n×2
1625679890
n×3
2438519835
n×4
3251359780
n×5
4064199725
n÷2
406419972.5
n÷3
270946648.33333
n÷3
203209986.25
n÷5
162567989
n2
660708776187603025
n3
5.3705048529735E+26
n4
4.3653608693132E+35
n5
3.5483396889177E+44
2 √n28510.348033653
3 √n933.25790936707
4 √n168.85007561044
5 √n60.534227913851
1 , 5 , 61 , 107 , 305 , 535 , 6527 , 24907 , 32635 , 124535 , 1519327 , 2665049 , 7596635 , 13325245 , 162567989 , 812839945
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
-812839944 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 812839945 can be divided by 16 positive divisors.
The sum of these divisors (counting 812839945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011100101111010000001001
3
Ternary
2002122111112210011
4
Quaternary
300130233100021
5
Quinary
3131041334240
6
Senary
212353551521
8
Octal
6034572011
10
Decimal
812839945
12
Duodecimal
1a82755a1
16
Hexadecimal
3072f409
20
Vigesimal
ce04jh5
36
Base36
dfxzbd
md5
97272a82cbde25d14cf3d7c55a07b141
sha1
6a273a049a8dede184a3ecc86f5e458a16919fa7
sha256
c56a8aed7a6e5f26a84d367b6bb48eb74ac31396b4d497b66ad894cfc832fc45
sha512
2d2792369e52a6a0c5e94d7f91ad38493b4358a705177bd8858a28af87885ba6d939c66e064c7341cb5e8cf40b7b5f1bdfc1be6bceff7f4c9640807a18ff06b1
ripemd-160
f5970426628669bc7fd951bc359dd6affc20bf64
Diameter
1625679890
Circumference
5107223999.5127
Area
2.0756778374333E+18
Volume
2.2495918122893E+27
Surface area
8.3027113497331E+18
Circumference
5107223999.5127
Perimeter
3251359780
Area
660708776187603025
Diagonal
1149529274.2576
Surface area
3964252657125618150
Volume
5.3705048529735E+26
Space diagonal
1407880083.1615
Perimeter
2438519835
Area
2.860952923409E+17
Altitude
703940041.58075
Surface area
2.860952923409E+17
Volume
6.3292006665547E+25
Height
383176424.75253