813306721 is an odd 9-digits prime number following 813306720
and preceding 813306722 . In scientific notation, it is written as 8.13306721 × 10^8.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 813306720 positive integers (up to 813306721) that are relatively prime to 813306721.
813306721 has 2 divisors, whose sum is 813306722
The reverse of 813306721 is 127603318
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 31 Digital Root 4
Name
eight hundred thirteen million three hundred six thousand seven hundred twenty-one
Scientific notation
8.13306721 × 10^8
Engineering notation
8.13306721 × 10^6
Prime Factorization
813306721
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
813306721 Product of the distinct prime numbers
The prime factorization of 813306721 is 813306721.
Since it has a total of 1 prime factors.
5 , 1 , 14 , 44 , 399 , 24 , 4274 , 8570 , 76900 , 63943 , 27056 , 908503 , 8827496 , 6469795 , 88580312 , 66870758 , 651228461 , 556107095 , 5542730031 , 816408724
n×2
1626613442
n×3
2439920163
n×4
3253226884
n×5
4066533605
n÷2
406653360.5
n÷3
271102240.33333
n÷3
203326680.25
n÷5
162661344.2
n2
661467822423771841
n3
5.3797622570249E+26
n4
4.3753968010205E+35
n5
3.5585396253118E+44
2 √n28518.532939126
3 √n933.43651731947
4 √n168.87431106929
5 √n60.541178713146
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
813306722 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
406653361 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
28518.532956658 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999975409 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 813306721 can be divided by 2 positive divisors.
The sum of these divisors (counting 813306721) is 813306722, the average is 406653361.
Base
System
Value
2
Binary
110000011110100001001101100001
3
Ternary
2002200101021002011
4
Quaternary
300132201031201
5
Quinary
3131201303341
6
Senary
212411552521
8
Octal
6036411541
10
Decimal
813306721
12
Duodecimal
1a845b741
16
Hexadecimal
307a1361
20
Vigesimal
ce336g1
36
Base36
dg7zhd
md5
d0e0dc9fd5e7fb5268b43d0e941293dc
sha1
f72524d12ce25f3ac86c020de06585bdfc1143c0
sha256
135422c9e13a2ae974a9a7206d17fb3c9127b3ff5ac0f7a65bcac8ffda4d2255
sha512
472108866904c3d120a83b26ba097c41820be721382b69dc9fb06aec51f0689f97afe656d0f2007457c2d5ab7a197281d9e4e7cfa1e88c190a52d9c7d4f3afed
ripemd-160
dbde1736e442c64e1fbbde2cd955c8482cfdac2d
Diameter
1626613442
Circumference
5110156839.6176
Area
2.0780624515126E+18
Volume
2.2534695446305E+27
Surface area
8.3122498060502E+18
Circumference
5110156839.6176
Perimeter
3253226884
Area
661467822423771841
Diagonal
1150189395.2074
Surface area
3968806934542631046
Volume
5.3797622570249E+26
Space diagonal
1408688562.9092
Perimeter
2439920163
Area
2.8642396900248E+17
Altitude
704344281.45462
Surface area
2.8642396900248E+17
Volume
6.3401106218562E+25
Height
383396465.06913