821330407 is an odd 9-digits composite number following 821330406
and preceding 821330408 . In scientific notation, it is written as 8.21330407 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 820697800 positive integers (up to 821330407) that are relatively prime to 821330407.
821330407 has 4 divisors, whose sum is 821963016
The reverse of 821330407 is 704033128
Previous prime number is 1301
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
eight hundred twenty-one million three hundred thirty thousand four hundred seven
Scientific notation
8.21330407 × 10^8
Engineering notation
8.21330407 × 10^6
Prime Factorization
1301 × 631307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
821330407
Product of the distinct prime numbers
The prime factorization of 821330407 is 1301 × 631307.
Since it has a total of 2 prime factors.
6 , 9 , 54 , 83 , 2 , 308 , 8275 , 1951 , 50244 , 75738 , 393606 , 375057 , 2279762 , 9798417 , 71974070 , 12097315 , 580096443 , 36429513 , 523094663 , 241576628
n×2
1642660814
n×3
2463991221
n×4
3285321628
n×5
4106652035
n÷2
410665203.5
n÷3
273776802.33333
n÷3
205332601.75
n÷5
164266081.4
n2
674583637462785649
n3
5.5405605351285E+26
n4
4.5506308393252E+35
n5
3.7375714793697E+44
2 √n
28658.862625722
3 √n
936.49608711918
4 √n
169.28928680139
5 √n
60.660164021649
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
-821330406
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 821330407 can be divided by 4 positive divisors.
The sum of these divisors (counting 821330407) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111101001000000111100111
3
Ternary
2010020110220111201
4
Quaternary
300331020013213
5
Quinary
3140230033112
6
Senary
213255543331
8
Octal
6075100747
10
Decimal
821330407
12
Duodecimal
1ab08ab47
16
Hexadecimal
30f481e7
20
Vigesimal
cgd6607
36
Base36
dkzylj
md5
db117200783f780617ec471730a0eda9
sha1
dafb0f134a6581ac1358555462e04f82e8166630
sha256
ebc5bff38b4be16317193a04fe754baf395f6ba1d449d2b0c7fa190e09084afe
sha512
015e62d26ec0db1467ebd688c18ed5227d9973f13ea1f91e8fdb012bf27a5e81cce89f62e3787b98b8cf8200acd59a0b4d54320758a07785d6c41e5ea1634c34
ripemd-160
bbf101187c87695b563016740a3838a4581e4696
Diameter
1642660814
Circumference
5160571145.6022
Area
2.119266999685E+18
Volume
2.3208245698572E+27
Surface area
8.4770679987399E+18
Circumference
5160571145.6022
Perimeter
3285321628
Area
674583637462785649
Diagonal
1161536600.7688
Surface area
4047501824776713894
Volume
5.5405605351285E+26
Space diagonal
1422585994.7252
Perimeter
2463991221
Area
2.9210328351004E+17
Altitude
711292997.36261
Surface area
2.9210328351004E+17
Volume
6.5296132099399E+25
Height
387178866.92294