20721883 is an odd 8-digits composite number following 20721882
and preceding 20721884 . In scientific notation, it is written as 2.0721883 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 16122240 positive integers (up to 20721883) that are relatively prime to 20721883.
20721883 has 16 divisors, whose sum is 25928896
The reverse of 20721883 is 38812702
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million seven hundred twenty-one thousand eight hundred eighty-three
Scientific notation
2.0721883 × 10^7
Engineering notation
2.0721883 × 10^6
Prime Factorization
7 × 13 × 61 × 3733
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20721883
Product of the distinct prime numbers
The prime factorization of 20721883 is 7 × 13 × 61 × 3733.
Since it has a total of 4 prime factors.
4 , 2 , 56 , 75 , 654 , 258 , 1332 , 4477 , 35822 , 80459 , 488201 , 99772 , 1972098 , 1584403 , 37266581 , 94006855 , 648927930 , 593640617 , 5837404731 , 5895602395
n×2
41443766
n×3
62165649
n×4
82887532
n×5
103609415
n÷2
10360941.5
n÷3
6907294.3333333
n÷3
5180470.75
n÷5
4144376.6
n2
429396435065689
n3
8.8979026880483E+21
n4
1.8438129844712E+29
n5
3.8207276938094E+36
2 √n
4552.1295016728
3 √n
274.6690586466
4 √n
67.469470886267
5 √n
29.05934649964
1 , 7 , 13 , 61 , 91 , 427 , 793 , 3733 , 5551 , 26131 , 48529 , 227713 , 339703 , 1593991 , 2960269 , 20721883
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
-20721882
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 20721883 can be divided by 16 positive divisors.
The sum of these divisors (counting 20721883) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000011000011011011
3
Ternary
1102222210002011
4
Quaternary
1033003003123
5
Quinary
20301100013
6
Senary
2020050351
8
Octal
117030333
10
Decimal
20721883
12
Duodecimal
6b339b7
16
Hexadecimal
13c30db
20
Vigesimal
69a4e3
36
Base36
cc53v
md5
dd48711d0157a0100fa59dba65c07483
sha1
8c2940d9c89d3882559006df5ce7a47851ec8646
sha256
c28f60fe67a5c7f0751874c9b9912116833b675e28966617d1a5dd82f0f1113e
sha512
4c35993605b40f1e9f752a4f908df4bbd3d61ae3b4a3236d70c1ed53677b93f176bba846f38e6ed6d4fba66abd0f624d7f49a3a0978b71cf8d0e8bee7da9f46d
ripemd-160
ef4aa361cc16923a19a4c268458e72508ab06201
Diameter
41443766
Circumference
130199430.80269
Area
1.34898868588E+15
Volume
3.7271447622839E+22
Surface area
5.3959547435201E+15
Circumference
130199430.80269
Perimeter
82887532
Area
429396435065689
Diagonal
29305167.976508
Surface area
2576378610394134
Volume
8.8979026880483E+21
Space diagonal
35891354.184498
Perimeter
62165649
Area
1.8593411053068E+14
Altitude
17945677.092249
Surface area
1.8593411053068E+14
Volume
1.0486278881762E+21
Height
9768389.3255028