821442243 is an odd 9-digits composite number following 821442242
and preceding 821442244 . In scientific notation, it is written as 8.21442243 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 547475328 positive integers (up to 821442243) that are relatively prime to 821442243.
821442243 has 8 divisors, whose sum is 1095562000
The reverse of 821442243 is 342244128
Previous prime number is 3769
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
eight hundred twenty-one million four hundred forty-two thousand two hundred forty-three
Scientific notation
8.21442243 × 10^8
Engineering notation
8.21442243 × 10^6
Prime Factorization
3 × 3769 × 72649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
821442243
Product of the distinct prime numbers
The prime factorization of 821442243 is 3 × 3769 × 72649.
Since it has a total of 3 prime factors.
9 , 3 , 32 , 61 , 1 , 943 , 5911 , 3635 , 75105 , 75637 , 305346 , 640969 , 4619431 , 3383202 , 85030231 , 84814162 , 291828766 , 88040456 , 4831868087 , 5434327143
n×2
1642884486
n×3
2464326729
n×4
3285768972
n×5
4107211215
n÷2
410721121.5
n÷3
273814081
n÷3
205360560.75
n÷5
164288448.6
n2
674767358584871049
n3
5.5428241253914E+26
n4
4.553109882116E+35
n5
3.7401167941909E+44
2 √n
28660.813718386
3 √n
936.53859101375
4 √n
169.29504930265
5 √n
60.66181588321
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
-821442242
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 821442243 can be divided by 8 positive divisors.
The sum of these divisors (counting 821442243) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111101100011011011000011
3
Ternary
2010020200120220210
4
Quaternary
300331203123003
5
Quinary
3140242122433
6
Senary
213302205203
8
Octal
6075433303
10
Decimal
821442243
12
Duodecimal
1ab123803
16
Hexadecimal
30f636c3
20
Vigesimal
cge05c3
36
Base36
dl2cw3
md5
c5f31461962566d77fe6e72dbfeef691
sha1
480258e471fbcf649fdd96501358ccae17211bdb
sha256
074bc923fb22db45286432b941d314b86de9e25fe726b6affe00fa064be0e2f8
sha512
45cbbe782bdb7320272fc56e927a52b8a6b4255aded6c9aa06772348ff4788be0d5daa9bed66b350a8705d25a8520ecea95e9f80a0bb90bbfd9a04bd7527d77b
ripemd-160
293e9daa18c3fcaf6f0bc4a7217be71a4f57cb33
Diameter
1642884486
Circumference
5161273831.9142
Area
2.1198441766124E+18
Volume
2.3217727403293E+27
Surface area
8.4793767064497E+18
Circumference
5161273831.9142
Perimeter
3285768972
Area
674767358584871049
Diagonal
1161694760.7568
Surface area
4048604151509226294
Volume
5.5428241253914E+26
Space diagonal
1422779700.3593
Perimeter
2464326729
Area
2.9218283708951E+17
Altitude
711389850.17967
Surface area
2.9218283708951E+17
Volume
6.5322808766478E+25
Height
387231586.91893