813306821 is an odd 9-digits composite number following 813306820
and preceding 813306822 . In scientific notation, it is written as 8.13306821 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 812049132 positive integers (up to 813306821) that are relatively prime to 813306821.
813306821 has 4 divisors, whose sum is 814564512
The reverse of 813306821 is 128603318
Previous prime number is 647
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
eight hundred thirteen million three hundred six thousand eight hundred twenty-one
Scientific notation
8.13306821 × 10^8
Engineering notation
8.13306821 × 10^6
Prime Factorization
647 × 1257043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
813306821
Product of the distinct prime numbers
The prime factorization of 813306821 is 647 × 1257043.
Since it has a total of 2 prime factors.
8 , 10 , 13 , 89 , 949 , 255 , 6191 , 2711 , 99803 , 67660 , 464639 , 140240 , 14037 , 8106126 , 87838763 , 36173968 , 340564399 , 572896937 , 4351281954 , 6900641378
n×2
1626613642
n×3
2439920463
n×4
3253227284
n×5
4066534105
n÷2
406653410.5
n÷3
271102273.66667
n÷3
203326705.25
n÷5
162661364.2
n2
661467985085126041
n3
5.3797642414286E+26
n4
4.3753989529258E+35
n5
3.5585418130108E+44
2 √n
28518.534692372
3 √n
933.43655557632
4 √n
168.87431626026
5 √n
60.541180201912
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-813306820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 813306821 can be divided by 4 positive divisors.
The sum of these divisors (counting 813306821) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000011110100001001111000101
3
Ternary
2002200101021012212
4
Quaternary
300132201033011
5
Quinary
3131201304241
6
Senary
212411553205
8
Octal
6036411705
10
Decimal
813306821
12
Duodecimal
1a845b805
16
Hexadecimal
307a13c5
20
Vigesimal
ce33711
36
Base36
dg7zk5
md5
2de90300f5cc58c9e84c04cdf38794d1
sha1
63ce72cf99c29d7ffc317c53382c9a46b02c20e3
sha256
3f79e82b1f7c8536c3ee3d9b455f67c604478163f3fdb3cfbc120c32f575b6dd
sha512
c846498e7db94bdfdb69904676e538ebd8fdce111c69e3cc72de2dbbb3c9a7ba474f897523a149d30a68ee6b9a51deea3b07ba450674692d7618733e2c5f1c84
ripemd-160
50c481d52e6af38027443e1df6086c754c6fb1a0
Diameter
1626613642
Circumference
5110157467.9361
Area
2.0780629625283E+18
Volume
2.2534703758556E+27
Surface area
8.3122518501131E+18
Circumference
5110157467.9361
Perimeter
3253227284
Area
661467985085126041
Diagonal
1150189536.6287
Surface area
3968807910510756246
Volume
5.3797642414286E+26
Space diagonal
1408688736.1143
Perimeter
2439920463
Area
2.8642403943691E+17
Altitude
704344368.05716
Surface area
2.8642403943691E+17
Volume
6.3401129604984E+25
Height
383396512.20958