821480906 is an even 9-digits composite number following 821480905
and preceding 821480907 . In scientific notation, it is written as 8.21480906 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 410740452 positive integers (up to 821480906) that are relatively prime to 821480906.
821480906 has 4 divisors, whose sum is 1232221362
The reverse of 821480906 is 609084128
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
eight hundred twenty-one million four hundred eighty thousand nine hundred six
Scientific notation
8.21480906 × 10^8
Engineering notation
8.21480906 × 10^6
Prime Factorization
2 × 410740453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
821480906
Product of the distinct prime numbers
The prime factorization of 821480906 is 2 × 410740453.
Since it has a total of 2 prime factors.
4 , 5 , 67 , 32 , 126 , 113 , 512 , 5883 , 21609 , 48674 , 659699 , 666804 , 1210299 , 5607749 , 20141032 , 74677298 , 133073737 , 304148265 , 8134202460 , 1595594326
n×2
1642961812
n×3
2464442718
n×4
3285923624
n×5
4107404530
n÷2
410740453
n÷3
273826968.66667
n÷3
205370226.5
n÷5
164296181.2
n2
674830878922580836
n3
5.543606818141E+26
n4
4.5539671514742E+35
n5
3.7409970614873E+44
2 √n
28661.488202813
3 √n
936.55328420481
4 √n
169.29704132918
5 √n
60.662386909025
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
-821480905
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 821480906 can be divided by 4 positive divisors.
The sum of these divisors (counting 821480906) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111101101100110111001010
3
Ternary
2010020202112221202
4
Quaternary
300331230313022
5
Quinary
3140244342111
6
Senary
213303104202
8
Octal
6075546712
10
Decimal
821480906
12
Duodecimal
1ab142062
16
Hexadecimal
30f6cdca
20
Vigesimal
cge5256
36
Base36
dl36q2
md5
7a1f5ff44e1db8d3527cd53a22791639
sha1
4ea7622d5c569b42ce261cef3de678758dc00383
sha256
a3e32ff2797a0771bf1d4f75ab873f94c948558ca42303ac65095d83f4b652f7
sha512
a8c30dbe741bbb442aa8fa6a7b2351836ae61360babe2eae294d07aca8e6ab5d300cf9599542edad84e56bc8e1054a17dfaed81d21a49721a05ae05ab23e6768
ripemd-160
5809e03ef4e515b309ed489557d20925cbd8738f
Diameter
1642961812
Circumference
5161516758.7078
Area
2.1200437316387E+18
Volume
2.3221005939016E+27
Surface area
8.4801749265549E+18
Circumference
5161516758.7078
Perimeter
3285923624
Area
674830878922580836
Diagonal
1161749438.4957
Surface area
4048985273535485016
Volume
5.543606818141E+26
Space diagonal
1422846666.6397
Perimeter
2464442718
Area
2.9221034220257E+17
Altitude
711423333.31986
Surface area
2.9221034220257E+17
Volume
6.5332032888991E+25
Height
387249812.83191