20732981 is an odd 8-digits composite number following 20732980
and preceding 20732982 . In scientific notation, it is written as 2.0732981 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 20723532 positive integers (up to 20732981) that are relatively prime to 20732981.
20732981 has 4 divisors, whose sum is 20742432
The reverse of 20732981 is 18923702
Previous prime number is 3463
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred thirty-two thousand nine hundred eighty-one
Scientific notation
2.0732981 × 10^7
Engineering notation
2.0732981 × 10^6
Prime Factorization
3463 × 5987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20732981
Product of the distinct prime numbers
The prime factorization of 20732981 is 3463 × 5987.
Since it has a total of 2 prime factors.
4 , 2 , 82 , 89 , 935 , 820 , 548 , 1132 , 3981 , 61984 , 656480 , 6677 , 182409 , 2664957 , 30831858 , 37328362 , 649349225 , 211577306 , 1502022113 , 7204351372
n×2
41465962
n×3
62198943
n×4
82931924
n×5
103664905
n÷2
10366490.5
n÷3
6910993.6666667
n÷3
5183245.25
n÷5
4146596.2
n2
429856501146361
n3
8.912206670994E+21
n4
1.8477661157779E+29
n5
3.8309699770867E+36
2 √n
4553.3483284282
3 √n
274.71808464787
4 √n
67.478502713295
5 √n
29.062458490583
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
-20732980
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 20732981 can be divided by 4 positive divisors.
The sum of these divisors (counting 20732981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000101110000110101
3
Ternary
1110000100022012
4
Quaternary
1033011300311
5
Quinary
20301423411
6
Senary
2020214005
8
Octal
117056065
10
Decimal
20732981
12
Duodecimal
6b3a305
16
Hexadecimal
13c5c35
20
Vigesimal
69bc91
36
Base36
ccdo5
md5
4017c8ee1d3dcfbe0322a1d2e3032238
sha1
bc8a7371d165a86f310897f1bdf7f2bcd0cc46f0
sha256
dcde9358b3154a28586428ab2819e60e3c56674072bebbf755352c4a5676e77e
sha512
567bd2b02743d07348255ee022e07a3a2daa1f957f571ecc0b5fd36e756efe88a8b791a3229c3b1409dfd6f5107f2130440fd064facc532f53ee7796ac1929d5
ripemd-160
cdc2916e8e9d7b1267459f9ad43dff604111e32f
Diameter
41465962
Circumference
130269161.59323
Area
1.3504340260992E+15
Volume
3.7331364006492E+22
Surface area
5.4017361043969E+15
Circumference
130269161.59323
Perimeter
82931924
Area
429856501146361
Diagonal
29320862.918624
Surface area
2579139006878166
Volume
8.912206670994E+21
Space diagonal
35910576.48436
Perimeter
62198943
Area
1.8613332498732E+14
Altitude
17955288.24218
Surface area
1.8613332498732E+14
Volume
1.0503136287326E+21
Height
9773620.9728746