82019945 is an odd 8-digits composite number following 82019944
and preceding 82019946 . In scientific notation, it is written as 8.2019945 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 56160384 positive integers (up to 82019945) that are relatively prime to 82019945.
82019945 has 16 divisors, whose sum is 112648320
The reverse of 82019945 is 54991028
Previous prime number is 953
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-two million nineteen thousand nine hundred forty-five
Scientific notation
8.2019945 × 10^7
Engineering notation
8.2019945 × 10^6
Prime Factorization
5 × 7 × 953 × 2459
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82019945
Product of the distinct prime numbers
The prime factorization of 82019945 is 5 × 7 × 953 × 2459.
Since it has a total of 4 prime factors.
3 , 10 , 89 , 68 , 375 , 477 , 2997 , 8592 , 85163 , 92987 , 257574 , 127203 , 4412292 , 8021559 , 90495275 , 572598 , 852206204 , 756063703 , 1273066672 , 6333723154
n×2
164039890
n×3
246059835
n×4
328079780
n×5
410099725
n÷2
41009972.5
n÷3
27339981.666667
n÷3
20504986.25
n÷5
16403989
n2
6727271377803025
n3
5.5177042840748E+23
n4
4.5256180190608E+31
n5
3.7119094101437E+39
2 √n
9056.4863495729
3 √n
434.48336957637
4 √n
95.165573342322
5 √n
38.263429682926
1 , 5 , 7 , 35 , 953 , 2459 , 4765 , 6671 , 12295 , 17213 , 33355 , 86065 , 2343427 , 11717135 , 16403989 , 82019945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82019944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82019945 can be divided by 16 positive divisors.
The sum of these divisors (counting 82019945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000111000011001101001
3
Ternary
12201100001012202
4
Quaternary
10320320121221
5
Quinary
131444114240
6
Senary
12045545545
8
Octal
470703151
10
Decimal
82019945
12
Duodecimal
235752b5
16
Hexadecimal
4e38669
20
Vigesimal
15cc9h5
36
Base36
1ctyzt
md5
f8715aeb1a837e6c0a6f504503924f4e
sha1
8c35551fa5f086f113069d8c8a04aa59bab78db8
sha256
a1f10fd169bc861c16062ed875cf333f064636868a74778f6dd1189f9dd6a9a3
sha512
b7071566873d38322ffc75353a87edf9682bcb58f4d67f8f5e453133c65918ed75fd407beef17adc2e7a70e2e1b6375becdab9daf491ea318f220af7a3ce6bf4
ripemd-160
ede464274097d1984d27c35c0716850e4fc8b290
Diameter
164039890
Circumference
515346513.31968
Area
2.1134346339211E+16
Volume
2.311250565804E+24
Surface area
8.4537385356843E+16
Circumference
515346513.31968
Perimeter
328079780
Area
6727271377803025
Diagonal
115993718.6041
Surface area
40363628266818150
Volume
5.5177042840748E+23
Space diagonal
142062711.974
Perimeter
246059835
Area
2.9129939556647E+15
Altitude
71031355.987002
Surface area
2.9129939556647E+15
Volume
6.5026768597522E+22
Height
38664572.868032