820121 is an odd 6-digits composite number following 820120
and preceding 820122 . In scientific notation, it is written as 8.20121 × 10^5.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 808500 positive integers (up to 820121) that are relatively prime to 820121.
820121 has 4 divisors, whose sum is 831744
The reverse of 820121 is 121028
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 14
Digital Root 5
Name
eight hundred twenty thousand one hundred twenty-one
Scientific notation
8.20121 × 10^5
Engineering notation
8.20121 × 10^3
Prime Factorization
71 × 11551
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
820121
Product of the distinct prime numbers
The prime factorization of 820121 is 71 × 11551.
Since it has a total of 2 prime factors.
1 , 4 , 83 , 77 , 525 , 626 , 2145 , 350 , 53435 , 96312 , 74387 , 62973 , 3297539 , 5056195 , 16703692 , 92435684 , 933905304 , 697379684 , 1471997937 , 8910015528
n×2
1640242
n×3
2460363
n×4
3280484
n×5
4100605
n÷2
410060.5
n÷3
273373.66666667
n÷3
205030.25
n÷5
164024.2
n2
672598454641
n3
551612117218631561
n4
4.5238868118546E+23
n5
3.710134576025E+29
2 √n
905.60532242252
3 √n
93.603619859031
4 √n
30.093277030302
5 √n
15.232654317058
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
-820120
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 820121 can be divided by 4 positive divisors.
The sum of these divisors (counting 820121) is 1, the average is 0.25.
Base
System
Value
2
Binary
11001000001110011001
3
Ternary
1112122222212
4
Quaternary
3020032121
5
Quinary
202220441
6
Senary
25324505
8
Octal
3101631
10
Decimal
820121
12
Duodecimal
336735
16
Hexadecimal
c8399
20
Vigesimal
52a61
36
Base36
hkt5
md5
333773214f814354c4dc24d6d4a5e610
sha1
617314f92fb36424c4251d166087905fda9bac5f
sha256
05b2b57b29d73379ede41431ad6ef694c9b768cc961196b1d776665dbcb7b570
sha512
abbb8214bbf23fd304adec8844d6719b06999455de4d29624a72e90df8f203ecf285a92c71527262ecad5a179cfdbe13bfa7625826f1918abed0b1eb8bea881b
ripemd-160
8a35d1b372d64b847a6fcfd39f1145249877801e
Diameter
1640242
Circumference
5152972.2173094
Area
2113030363916
Volume
2.3105874334469E+18
Surface area
8452121455664.1
Circumference
5152972.2173094
Perimeter
3280484
Area
672598454641
Diagonal
1159826.240987
Surface area
4035590727846
Volume
551612117218631561
Space diagonal
1420491.2403542
Perimeter
2460363
Area
291243674132.63
Altitude
710245.6201771
Surface area
291243674132.63
Volume
6.5008111444994E+16
Height
386608.74699566