821369993 is an odd 9-digits composite number following 821369992
and preceding 821369994 . In scientific notation, it is written as 8.21369993 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 792094464 positive integers (up to 821369993) that are relatively prime to 821369993.
821369993 has 8 divisors, whose sum is 851038728
The reverse of 821369993 is 399963128
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
eight hundred twenty-one million three hundred sixty-nine thousand nine hundred ninety-three
Scientific notation
8.21369993 × 10^8
Engineering notation
8.21369993 × 10^6
Prime Factorization
37 × 113 × 196453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
821369993
Product of the distinct prime numbers
The prime factorization of 821369993 is 37 × 113 × 196453.
Since it has a total of 3 prime factors.
1 , 6 , 66 , 59 , 961 , 757 , 6922 , 6488 , 42721 , 61899 , 700226 , 656388 , 5132614 , 8330504 , 28445058 , 35160070 , 556421049 , 828303918 , 6313666557 , 5749366366
n×2
1642739986
n×3
2464109979
n×4
3285479972
n×5
4106849965
n÷2
410684996.5
n÷3
273789997.66667
n÷3
205342498.25
n÷5
164273998.6
n2
674648665400820049
n3
5.5413616957773E+26
n4
4.5515082172711E+35
n5
3.7384722725594E+44
2 √n
28659.553258905
3 √n
936.51113244004
4 √n
169.29132659089
5 √n
60.66074874296
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-821369992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 821369993 can be divided by 8 positive divisors.
The sum of these divisors (counting 821369993) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111101010001110010001001
3
Ternary
2010020112220210212
4
Quaternary
300331101302021
5
Quinary
3140232314433
6
Senary
213300450505
8
Octal
6075216211
10
Decimal
821369993
12
Duodecimal
1ab0a9a35
16
Hexadecimal
30f51c89
20
Vigesimal
cgdb4jd
36
Base36
dl0t55
md5
abf3a5b26f5ea1b95d8f1ce8196ec3c7
sha1
a10698019bf9424c8b25a516e466a2b6e97e23f0
sha256
acb6939764824366b50f812a7694c3ddb4501aed45dd4a29691aba43050f6738
sha512
a371e902fe9075e830496406dceaf6b38ca6abd6976335715f7c96e790159f4498a20ac9211fa7700cf75d2c245a7b20a51c3d4681f91a84eb6bef5c7d27e11a
ripemd-160
c4eee30b3571ba0550e605633e7c3d0c22e646b2
Diameter
1642739986
Circumference
5160819871.7758
Area
2.1194712909774E+18
Volume
2.321160159245E+27
Surface area
8.4778851639095E+18
Circumference
5160819871.7758
Perimeter
3285479972
Area
674648665400820049
Diagonal
1161592583.8269
Surface area
4047891992404920294
Volume
5.5413616957773E+26
Space diagonal
1422654559.6885
Perimeter
2464109979
Area
2.9213144143319E+17
Altitude
711327279.84425
Surface area
2.9213144143319E+17
Volume
6.5305573868192E+25
Height
387197527.9423