82019921 is an odd 8-digits composite number following 82019920
and preceding 82019922 . In scientific notation, it is written as 8.2019921 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 81872112 positive integers (up to 82019921) that are relatively prime to 82019921.
82019921 has 4 divisors, whose sum is 82167732
The reverse of 82019921 is 12991028
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-two million nineteen thousand nine hundred twenty-one
Scientific notation
8.2019921 × 10^7
Engineering notation
8.2019921 × 10^6
Prime Factorization
557 × 147253
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82019921
Product of the distinct prime numbers
The prime factorization of 82019921 is 557 × 147253.
Since it has a total of 2 prime factors.
10 , 9 , 72 , 25 , 244 , 484 , 1287 , 8642 , 28990 , 11571 , 484535 , 422834 , 2795437 , 5998956 , 8451439 , 76947538 , 361902327 , 444322573 , 749516342 , 3841409873
n×2
164039842
n×3
246059763
n×4
328079684
n×5
410099605
n÷2
41009960.5
n÷3
27339973.666667
n÷3
20504980.25
n÷5
16403984.2
n2
6727267440846241
n3
5.5176994404408E+23
n4
4.525612722067E+31
n5
3.7119039794053E+39
2 √n
9056.4850245556
3 √n
434.48332719805
4 √n
95.16556638068
5 √n
38.26342744366
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
-82019920
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 82019921 can be divided by 4 positive divisors.
The sum of these divisors (counting 82019921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000111000011001010001
3
Ternary
12201100001011212
4
Quaternary
10320320121101
5
Quinary
131444114141
6
Senary
12045545505
8
Octal
470703121
10
Decimal
82019921
12
Duodecimal
23575295
16
Hexadecimal
4e38651
20
Vigesimal
15cc9g1
36
Base36
1ctyz5
md5
f134498bbbee060faeee53c2fe47642a
sha1
580593d685a15f110e763a0bd0c91577d79f5ad4
sha256
72a749cbf53ad6a529e92175c94a6d55a4b4e81491c8db39dedffbed641ee9b2
sha512
d1e086aa2da0d7a8f5cd6c76edc3b1fb34145f9bb77a14d5cd4494fbb64567a46390bbc2b7fcd3bc73e27aae319ffeb141c5992ce7b6b2e06c146e79c3bb916b
ripemd-160
95f26a4738db11673e775f2a31d6eb4db1ca07a3
Diameter
164039842
Circumference
515346362.52323
Area
2.1134333970896E+16
Volume
2.3112485369074E+24
Surface area
8.4537335883585E+16
Circumference
515346362.52323
Perimeter
328079684
Area
6727267440846241
Diagonal
115993684.66297
Surface area
40363604645077446
Volume
5.5176994404408E+23
Space diagonal
142062670.40479
Perimeter
246059763
Area
2.9129922509124E+15
Altitude
71031335.202393
Surface area
2.9129922509124E+15
Volume
6.5026711514749E+22
Height
38664561.554323