821489132 is an even 9-digits composite number following 821489131
and preceding 821489133 . In scientific notation, it is written as 8.21489132 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 409900176 positive integers (up to 821489132) that are relatively prime to 821489132.
821489132 has 12 divisors, whose sum is 1440561360
The reverse of 821489132 is 231984128
Previous prime number is 487
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-nine thousand one hundred thirty-two
Scientific notation
8.21489132 × 10^8
Engineering notation
8.21489132 × 10^6
Prime Factorization
2 × 2 × 487 × 421709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
410744566
Product of the distinct prime numbers
The prime factorization of 821489132 is 2 × 2 × 487 × 421709.
Since it has a total of 4 prime factors.
3 , 1 , 92 , 99 , 207 , 655 , 7007 , 2636 , 89493 , 26335 , 551469 , 169050 , 2694401 , 4252260 , 50613473 , 81448413 , 146830352 , 828773872 , 5265374937 , 1771779512
n×2
1642978264
n×3
2464467396
n×4
3285956528
n×5
4107445660
n÷2
410744566
n÷3
273829710.66667
n÷3
205372283
n÷5
164297826.4
n2
674844393994113424
n3
5.5437733545729E+26
n4
4.5541495610528E+35
n5
3.7411843699075E+44
2 √n
28661.631705121
3 √n
936.55641029151
4 √n
169.29746514677
5 √n
60.662508398592
1 , 2 , 4 , 487 , 974 , 1948 , 421709 , 843418 , 1686836 , 205372283 , 410744566 , 821489132
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-821489131
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 821489132 can be divided by 12 positive divisors.
The sum of these divisors (counting 821489132) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000111101101110110111101100
3
Ternary
2010020202222020102
4
Quaternary
300331232313230
5
Quinary
3140300123012
6
Senary
213303210232
8
Octal
6075566754
10
Decimal
821489132
12
Duodecimal
1ab146978
16
Hexadecimal
30f6edec
20
Vigesimal
cge62gc
36
Base36
dl3d2k
md5
7b88a7ad2a6b1ef30918ec7ecd0a6739
sha1
dc9933c0df7be93331d3e9606d6feafed73c7e70
sha256
b02c3e3df5a2fe59c6a01b0101d4adce575eebf67e00d9c354ea30b81d63d928
sha512
30848aa0f01a36efd20b4841b81fd2b7d0158e00c1777cb468d5d695ebb0ce1bbc006c17a5e2866b4dde8d60fbbd499016ea7dbd3c1f6d7c733ff98662e7ffc5
ripemd-160
110f693eb542659139c0c070bc3a5f09695bd9d5
Diameter
1642978264
Circumference
5161568444.1901
Area
2.1200861904882E+18
Volume
2.3221703525191E+27
Surface area
8.4803447619527E+18
Circumference
5161568444.1901
Perimeter
3285956528
Area
674844393994113424
Diagonal
1161761071.8165
Surface area
4049066363964680544
Volume
5.5437733545729E+26
Space diagonal
1422860914.4897
Perimeter
2464467396
Area
2.9221619440021E+17
Altitude
711430457.24483
Surface area
2.9221619440021E+17
Volume
6.5333995539663E+25
Height
387253690.6055