20781373 is an odd 8-digits composite number following 20781372
and preceding 20781374 . In scientific notation, it is written as 2.0781373 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20672380 positive integers (up to 20781373) that are relatively prime to 20781373.
20781373 has 4 divisors, whose sum is 20890368
The reverse of 20781373 is 37318702
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred eighty-one thousand three hundred seventy-three
Scientific notation
2.0781373 × 10^7
Engineering notation
2.0781373 × 10^6
Prime Factorization
191 × 108803
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20781373
Product of the distinct prime numbers
The prime factorization of 20781373 is 191 × 108803.
Since it has a total of 2 prime factors.
6 , 10 , 96 , 19 , 99 , 778 , 2742 , 9002 , 39710 , 2595 , 30592 , 734381 , 2071305 , 8358204 , 36567308 , 84772454 , 676811792 , 52342053 , 9366349896 , 1982824397
n×2
41562746
n×3
62344119
n×4
83125492
n×5
103906865
n÷2
10390686.5
n÷3
6927124.3333333
n÷3
5195343.25
n÷5
4156274.6
n2
431865463765129
n3
8.9747572883211E+21
n4
1.8650777879307E+29
n5
3.8758877185003E+36
2 √n
4558.6591230317
3 √n
274.93165464098
4 √n
67.517842997475
5 √n
29.076012540411
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
-20781372
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 20781373 can be divided by 4 positive divisors.
The sum of these divisors (counting 20781373) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010001100100111101
3
Ternary
1110002210200111
4
Quaternary
1033101210331
5
Quinary
20310000443
6
Senary
2021230021
8
Octal
117214475
10
Decimal
20781373
12
Duodecimal
6b62311
16
Hexadecimal
13d193d
20
Vigesimal
69hd8d
36
Base36
cdf0d
md5
c3dc8c81e0fcf7b835466137e65a7a8b
sha1
e6bdfebbd87851d865e6a88713e9210febec2b31
sha256
3629a27f4f90a9833160d3e384d77f125a76c64988d9a93d2e029caa1b7287e1
sha512
a85f3a868bd377fcfe2f858f25e66827fe255ff6c51f144f8f4a0796a77b452d920885cdc79618232fca7ff1c2a5c0373de300d86386a095691efae0368c8fbb
ripemd-160
82155ee4331b8c7f1696e3743b5a511bfeb8fcfb
Diameter
41562746
Circumference
130573217.49662
Area
1.3567453683037E+15
Volume
3.7593375419655E+22
Surface area
5.4269814732147E+15
Circumference
130573217.49662
Perimeter
83125492
Area
431865463765129
Diagonal
29389299.541334
Surface area
2591192782590774
Volume
8.9747572883211E+21
Space diagonal
35994393.88704
Perimeter
62344119
Area
1.8700323131887E+14
Altitude
17997196.94352
Surface area
1.8700323131887E+14
Volume
1.0576852896792E+21
Height
9796433.1804447