20792821 is an odd 8-digits composite number following 20792820
and preceding 20792822 . In scientific notation, it is written as 2.0792821 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 16737840 positive integers (up to 20792821) that are relatively prime to 20792821.
20792821 has 8 divisors, whose sum is 21131264
The reverse of 20792821 is 12829702
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred ninety-two thousand eight hundred twenty-one
Scientific notation
2.0792821 × 10^7
Engineering notation
2.0792821 × 10^6
Prime Factorization
133 × 127 × 1231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20792821
Product of the distinct prime numbers
The prime factorization of 20792821 is 133 × 127 × 1231.
Since it has a total of 3 prime factors.
1 , 4 , 79 , 84 , 653 , 734 , 4054 , 1378 , 61305 , 23531 , 616012 , 494036 , 6063151 , 5965587 , 80126395 , 77187447 , 757999377 , 761613144 , 5862424253 , 6198281568
n×2
41585642
n×3
62378463
n×4
83171284
n×5
103964105
n÷2
10396410.5
n÷3
6930940.3333333
n÷3
5198205.25
n÷5
4158564.2
n2
432341405138041
n3
8.9895974479238E+21
n4
1.8691909059674E+29
n5
3.8865751922607E+36
2 √n
4559.9145825333
3 √n
274.98212996827
4 √n
67.527139599818
5 √n
29.07921530155
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20792820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20792821 can be divided by 8 positive divisors.
The sum of these divisors (counting 20792821) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010100010111110101
3
Ternary
1110010101101111
4
Quaternary
1033110113311
5
Quinary
20310332241
6
Senary
2021355021
8
Octal
117242765
10
Decimal
20792821
12
Duodecimal
6b68a71
16
Hexadecimal
13d45f5
20
Vigesimal
69j211
36
Base36
cdnud
md5
f08919a406128dd004e0d57fb12d5644
sha1
163c288a1a7a8f1c78ec363f90f0c7c2884c32d2
sha256
e169b6a58d1ae68d662f996f94dae57d4eee63f962e7031a6b3c22abc04806ec
sha512
f87dd4e62529980ac758833e2a66e49c22be66f18aafe60a8c1d2e8ab9f040c5b8252b64b1310adfd904697d364cc00513eaca3f0cd367b11a9221cd67a7899c
ripemd-160
cf54644b5ebfc889238b8a8e1827dd19d42c6545
Diameter
41585642
Circumference
130645147.40202
Area
1.3582405822244E+15
Volume
3.7655537734836E+22
Surface area
5.4329623288974E+15
Circumference
130645147.40202
Perimeter
83171284
Area
432341405138041
Diagonal
29405489.458196
Surface area
2594048430828246
Volume
8.9895974479238E+21
Space diagonal
36014222.404685
Perimeter
62378463
Area
1.872093199787E+14
Altitude
18007111.202343
Surface area
1.872093199787E+14
Volume
1.0594342192607E+21
Height
9801829.8193987