820320121 is an odd 9-digits composite number following 820320120
and preceding 820320122 . In scientific notation, it is written as 8.20320121 × 10^8.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 809936244 positive integers (up to 820320121) that are relatively prime to 820320121.
820320121 has 4 divisors, whose sum is 830704000
The reverse of 820320121 is 121023028
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 19
Digital Root 1
Name
eight hundred twenty million three hundred twenty thousand one hundred twenty-one
Scientific notation
8.20320121 × 10^8
Engineering notation
8.20320121 × 10^6
Prime Factorization
79 × 10383799
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
820320121
Product of the distinct prime numbers
The prime factorization of 820320121 is 79 × 10383799.
Since it has a total of 2 prime factors.
4 , 4 , 73 , 34 , 975 , 111 , 6527 , 9243 , 64492 , 77014 , 652458 , 297186 , 9639064 , 2572323 , 2676956 , 72741801 , 169140936 , 717861924 , 4808575781 , 5883441424
n×2
1640640242
n×3
2460960363
n×4
3281280484
n×5
4101600605
n÷2
410160060.5
n÷3
273440040.33333
n÷3
205080030.25
n÷5
164064024.2
n2
672925100917454641
n3
5.5201400020854E+26
n4
4.5282819144477E+35
n5
3.7146407679818E+44
2 √n
28641.231136248
3 √n
936.11194732395
4 √n
169.23720375925
5 √n
60.645233540692
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
-820320120
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 820320121 can be divided by 4 positive divisors.
The sum of these divisors (counting 820320121) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111001010001011101111001
3
Ternary
2010011120120122201
4
Quaternary
300321101131321
5
Quinary
3140000220441
6
Senary
213222150201
8
Octal
6071213571
10
Decimal
820320121
12
Duodecimal
1aa882361
16
Hexadecimal
30e51779
20
Vigesimal
cg70061
36
Base36
dkeb21
md5
1755705eff585ddcfee7edaf3ce108e3
sha1
281e744422de203fc779655a62e222e1f43f9f39
sha256
49f9ea5c667f11e7c786bc2dbfadefcb88fff2938556983060ba30388e855f41
sha512
46031c2ad0d72ef8adc78cbb9cb51fc58fed833c9b82153ef7e5fe870adcb76f6de171f4052dada41f39c70ecbfdb23cf36007ac35c4bcaf7c17a8fe96ba0676
ripemd-160
b2c70763b4a2ee6989ea5ea103efaeaf9eac215f
Diameter
1640640242
Circumference
5154223331.451
Area
2.1140565534584E+18
Volume
2.3122708369785E+27
Surface area
8.4562262138338E+18
Circumference
5154223331.451
Perimeter
3281280484
Area
672925100917454641
Diagonal
1160107840.6057
Surface area
4037550605504727846
Volume
5.5201400020854E+26
Space diagonal
1420836128.043
Perimeter
2460960363
Area
2.9138511611936E+17
Altitude
710418064.02152
Surface area
2.9138511611936E+17
Volume
6.5055473809562E+25
Height
386702613.53525